passpadi
1

Which of the following represents the evolutionary sequence in these plants? I. Flowering plants II.

Ferns III. Mosses IV. Algae V. Conifers

A.

II→I→IV→→III→V

B.

V→IV→III→II→I

C.

IV→III→II→V→I

D.

III→II→IV→V→I

View Answer

POST UTME 2023
2

Exoskeleton is NOT found in the

A.

maggot

B.

mosquito larva

C.

earthworm

D.

caterpillar

View Answer

POST UTME 2023
3

Which of these is incorrect?

A.

Guard cells lack chloroplast

B.

Mangifera is autotrophic

C.

Stomata opens when guard cells have a high osmotic pressure

D.

Terrestrial plants can exchange gases through lenticles

View Answer

POST UTME 2023
4

Which of the following vertebrates has the simplest heart structure?

A.

Fish

B.

Mammals

C.

Amphibian

D.

Reptiles

View Answer

POST UTME 2023
5

The end product of the digestion of fats and oils in mammals are

A.

Maltose and fatty acids

B.

Amino acids and glucose

C.

fatty acids and fructose

D.

fatty acids and glycerol

View Answer

POST UTME 2023
6

The bicuspid valve is present between 

A.

Right auricle and right ventricle

B.

Left auricle and left - ventricle

C.

Right auricle and left auricle

D.

Left auricle and right ventricle

View Answer

POST UTME 2023
7

The part of the alimentary system of bird where grinding of maize occurs is

A.

Crop

B.

Gizzard

C.

Cloak

D.

Rectum

View Answer

POST UTME 2023
8

Insectivorous plants trap and kill their prey to derive


A.

calcium

B.

phosphorous

C.

zinc

D.

nitrogen

View Answer

POST UTME 2023
9

 The following are true of enzymes except

A.

they are proteins

B.

are sensitive to hydrogen ion

C.

they are activated by coenzyme

D.

they can withstand high temperatures

View Answer

POST UTME 2023
10

Muscles are indirectly attached to bones by means of


A.

tendons

B.

. sutures

C.

membranes

D.

ligaments

View Answer

POST UTME 2023
11

 In a bakery, yeast is added to flour to make bread rise.

This is possible because yeast produces

A.

alcohol

B.

carbon dioxide

C.

ethanol

D.

energy

View Answer

POST UTME 2023
12

Fatigue of leg muscles may occur after riding many kilometers on a bicycle because of 

A.

insufficient glucose

B.

insufficient oxygen

C.

excess carbondioxide

D.

excess protein

View Answer

POST UTME 2023
13

Which of the following uses diffusion as the principal method of gaseous exchange?

A.

Lizard

B.

Rat

C.

Earthworm

D.

Grasshoppers

View Answer

POST UTME 2023
14

The sequence of the one-way gaseous exchange mechanism in a fish is

A.

mouth → operculum → gills

B.

mouth →gills →operculum

C.

gills → operculum →mouth

D.

operculum -gills →mouth

View Answer

POST UTME 2023
15

The stomata of leaves are similar in function to the


A.

pharynx of humans

B.

scales of fish

C.

spiracle of insects

D.

trachea of toads

View Answer

POST UTME 2023
16

In which of the following tissues do the cells have the ability to divide?

A.

Meristem

B.

Sclerenchyma

C.

phloem

D.

pith

View Answer

POST UTME 2023
17

A true fruit is formed from

A.

a fertilized ovary

B.

a fertilized ovary and other floral part

C.

a fertilized ovary and calyx

D.

a fertilized ovary and fleshy receptacle

View Answer

POST UTME 2023
18

 A flowering plant is monoecious if

A.

the androecium is found on one plant

B.

the gynoecium is monocarpus

C.

it produces essential organs

D.

the gynoecium and androecium are on the same plant

View Answer

POST UTME 2023
19

 If the anthers of a flower mature before the stigma, the condition is known as

A.

epigyny

B.

protandry

C.

protogyny

D.

perigyny

View Answer

POST UTME 2023
20

 Underground stems which grow horizontally through the soil are

A.

bulbs

B.

rhizomes

C.

runners

D.

creepers

View Answer

POST UTME 2023
21

A food chain begins with a

A.

decomposer

B.

competition

C.

producer

D.

consumer

View Answer

POST UTME 2022
22

 The following are morphological variations except


A.

the ability to roll the tongue

B.

height

C.

fingerprints

D.

weight

View Answer

POST UTME 2022
23

 The soil reputed as the best type of soil is

A.

clay

B.

sand

C.

loamy soil

D.

silt

View Answer

POST UTME 2022
24

Egg-laying mammals are known as

A.

Komodo

B.

Ectotherms

C.

Monotremes

D.

Marsupials

View Answer

POST UTME 2022
25

Bile is produced and stored in and respectively

A.

liver and kidney

B.

kidney and gall bladder

C.

liver and gall bladder

D.

liver and urinary bladder

View Answer

POST UTME 2022
26

Hypermetropia and myopia are corrected by wearing spectacle fitted with and lenses respectively

A.

concave, and convex

B.

concave and bifocal

C.

convex and bifocal

D.

concave and bifocal

View Answer

POST UTME 2022
27

The following blood groups have antibodies except


A.

O

B.

A

C.

B

D.

AB

View Answer

POST UTME 2022
28

The nitrifying bacteria Nitrosomonas converts ammonia to

A.

nitrates

B.

nitrites

C.

nitrous oxide

D.

nitric acid

View Answer

POST UTME 2022
29

 People who suck petrol with their mouths run the risk of increasing in their blood the concentration of


A.

iron

B.

lead

C.

aluminium

D.

carbon

View Answer

POST UTME 2022
30

A typical fungus obtains its food from dead organic matter extracellularly. It is said to be

A.

a parasite

B.

a scavenger

C.

a saprophyte

D.

an epiphyte

View Answer

POST UTME 2022
31

 The following are true of viruses except

A.

they are micro-organism

B.

they are the causative organisms of some diseases

C.

they can be seen with an ordinary light microscope

D.

they are smaller than bacteria.

View Answer

POST UTME 2022
32

 The following characteristics are shared by Chlamydomonas, Spirogyra and Euglena except

A.

reproduction

B.

nutrition

C.

irritability

D.

mobility

View Answer

POST UTME 2022
33

 In paramecium, trichocytes is used for

A.

movement

B.

defence

C.

excretion

D.

reproduction

View Answer

POST UTME 2022
34

 Seed plants are divided into

A.

monocotyledons and dicotyledons

B.

tracheophytes and ferns

C.

angiosperms and gymnosperms

D.

tracheophytes and bryophytes

View Answer

POST UTME 2022
35

The feature that distinguishes Taenia solium from taenia saginata is

A.

hook

B.

sucker

C.

scolex 

D.

proglottic

View Answer

POST UTME 2022
36

Exoskeleton is found the following except

A.

termite

B.

maggot

C.

caterpillar

D.

earthworm

View Answer

POST UTME 2022
37

The following are not diploblastic

A.

Amoeba

B.

Roundworm

C.

hydra

D.

Earthworm

View Answer

POST UTME 2022
38

In snails, the hard calcareous shells are secreted by the

A.

radula

B.

ctenidium

C.

pneumostome

D.

mantle

View Answer

POST UTME 2022
39

 Which of the following insects shows an incomplete metamorphosis?

A.

Butterfly

B.

Bee

C.

Mosquito

D.

grasshopper

View Answer

POST UTME 2022
40

The fallacy in Lamarck’s evolutionary theory was the assumption that

A.

acquired traits are heritable

B.

acquired traits are seldom formed

C.

traits are acquired through the use of body parts

D.

traits are acquired through disuse of body parts.

View Answer

JAMB 2011
41

Epigeal germination of a seed is characterized by

A.

more rapid elongation of the hypocotyl than the epicotyl

B.

more rapid elongation of the epicotyl than the hypocotyl

C.

equal growth rate of both the hypocotyl and epicotyl

D.

lack of growth of the hypocotyl

View Answer

JAMB 2004
42

The recycling method of solid waste disposal is unsuitable for

A.

organic matter

B.

glass

C.

plastics

D.

metal scraps

View Answer

JAMB 2005
43

When a colour blind man marries a carrier woman. What is the probability of their offspring being colorblind?

A.

25%

B.

50%

C.

75%

D.

100%

View Answer

JAMB 2012
44

The water cycle is maintained mainly by

A.

evaporation of water in the environment

B.

evaporation and condensation of water in the environment

C.

condensation of water in the environment

D.

transpiration and respiration in plants

View Answer

JAMB 2012
45

A characteristic that best exemplifies the evolutionary advancement of mammals over other vertebrates in the

A.

terrestrial mode of life

B.

possession of paired limbs

C.

a false foot

D.

radial symmetry

View Answer

JAMB 2006
46

Population that doubles in size to constant intervals is an indication of

A.

sigmoid

B.

population explosion

C.

rapid growth

D.

exponential growth

View Answer

JAMB 2006
47

The significance of a very large number of termites involved in nuptial swarming is to

A.

provide birds with plenty of food

B.

ensure their perpetuation despite predatory pressure

C.

search for a favourable place to breed

D.

ensure that every individual gets a mate.

View Answer

JAMB 2012
48

The major cause of global warming is the

A.

Burning of fossil fuel

B.

construction of dams

C.

use of electricity

D.

exploration of space

View Answer

JAMB 2009
49

Paternity disputes can most accurately be resolved though the use of

A.

Gringer printing

B.

blood group typing

C.

DNA analysis

D.

tongue rolling

View Answer

JAMB 2004
50

Which of the following is likely to have a higher concentration of mitochondria?

A.

Sperm cell

B.

white blood cell

C.

Egg cell

D.

red blood cell

View Answer

JAMB 2005
51

The type of reproduction that is common to both Hydra and yeast is

A.

conjugation

B.

binary fission

C.

grafting

D.

Budding

View Answer

JAMB 2004
52

The correct sequence of biomes from northern to southern Nigeria is

A.

gulnea savanna _ sudan savanna_ tropical rain forest_ sahel savanna_eetuarine

B.

estuarine_tripical rainforest_guinea savanna _ sahel_ savanna

C.

sahel savanna_ tropical_rain forest_ estuarine _guinea savanna

D.

sahel savanna_sudan savanna_guinea savanna _tropical rain forest_estuarine

View Answer

JAMB 2003
53

In freshwater marshes and swamps, the most important abiotic factor that organisms have to

A.

nature of substratum

B.

high salinity

C.

high temperature

D.

low pH

View Answer

JAMB 2009
54

The blackly is a vector of

A.

material

B.

trypanosomiasis

C.

onchocerciasis

D.

yellow fever

View Answer

JAMB 2005
55

An indigenous method of renewing and maintaining soil fertility is by

A.

clearing farms a by burning

B.

planting one crop type

C.

adding inorganic fertilizers yearly

D.

crop rotation and shifting cultivation

View Answer

JAMB 2012
56

An example of a fish that aestivates is

A.

lung fish

B.

shark

C.

cat fish

D.

croaker

View Answer

JAMB 2007
57

The main distinguishing features between the soldier termite and other members of the caste are the

A.

presence of wings, possession of a small head and large thorax

B.

presence of wings, possession of a large thorax and a small head

C.

absence of wings, possession off strong mandibles and a large head

D.

absence of wings, possession of big head and the absence of mandible.

View Answer

JAMB 2010
58

Metabolic production of urea is carried out in the

A.

Urinary bladder and kidney

B.

liver

C.

pancreas

D.

kidney and malphigian tubule

View Answer

JAMB 2003
59

The function of the long-winged reproductive in a termite colony is to

A.

disperse the population

B.

feed the young

C.

participate in swarming

D.

protect the young

View Answer

JAMB 2004
60

A biotic factor which affects the distribution and abundance of organisms in a terrestrial habitat is

A.

competition

B.

temperature

C.

light

D.

pH

View Answer

JAMB 2007
61

A density dependent factor that regulates the population size of organism is

A.

disease

B.

sudden flood

C.

drought

D.

fire outbreak

View Answer

JAMB 2003
62

The type of reproduction that leads to variation in animal and plant population is

A.

budding

B.

sexual

C.

vegatative

D.

asexual

View Answer

JAMB 2003
63

The two halves of the pelvic girdle are jointed together at the

A.

public symphysis

B.

ilium

C.

pubis

D.

obturator foramen

View Answer

JAMB 2010
64

The part of the mammalian digestive system where absorption of nutrients takes place is the

A.

ileum

B.

colon

C.

esophagus

D.

duodenum

View Answer

JAMB 2003
65

An accurate identification of a rapist can be carried out by conducting a

A.

blood group test

B.

behavioural traits test

C.

DNA analysis

D.

RNA analysis

View Answer

JAMB 2007
66

The formation of water in tissue respiration results from the

A.

combination of water molecules

B.

breakdown of water molecules

C.

reduction of carbon (IV) oxide

D.

reduction of oxygen by hydrogen

View Answer

JAMB 2006
67

The response of plants to external stimuli in a non-directional manner is known as

A.

tactic movement

B.

phototropism

C.

geotropism

D.

nastic movement

View Answer

JAMB 2003
68

An ecological factor that will have the most limiting effect on the abundance of phytoplankton in a turbid pond is

A.

pH

B.

oxygen

C.

light

D.

temperature

View Answer

JAMB 2008
69

In lizards, the lowering of the gular fold is used to

A.

attract mates

B.

frighten enemies

C.

catch insects

D.

defend their territory

View Answer

JAMB 2007
70

Genetically modified food products have not become universally accepted because

A.

They are not tasty as others produced by conventional means

B.

they are usually costlier than others produced by conventional means

C.

their efforts on human consumers is not yet fully understood

D.

the technology can be applied only in developed countries

View Answer

JAMB 2008
71

The ability of a chameleon to change its colour is an adaptive feature for

A.

attraction

B.

defence

C.

display

D.

attack

View Answer

JAMB 2008
72

The primary structure responsible for pumping blood for circulation through the mammalian circulatory systems is the

A.

veins

B.

right auricle

C.

arteries

D.

left ventricle

View Answer

JAMB 2010
73

I. Parasitism _ Sundew II Autrrophism_Amoeba III Saprophytism_ Alga IV. Heterotrophism- Agama. Which of the above modes of nutrition is correctly matched with the organism that exhibits it?

A.

III

B.

IV

C.

I

D.

II

View Answer

JAMB 2011
74

Counter shading is an adaptive feature that enables animals to

A.

flight enemies

B.

remain undetected

C.

warn enemies

D.

attract mates

View Answer

JAMB 2012
75

In terms of the number of individuals, which of the following taxa is most inclusive?

A.

order

B.

family

C.

class

D.

species

View Answer

JAMB 2008
76

Climax communities in a biotic succession are usually characterized by

A.

a constant change in the appearance of the commodities

B.

a stable composition of plant and animal species

C.

rapid changes in the plant and animal species

D.

different species that are constantly changing

View Answer

JAMB 2006
77

In the mammalian male reproductive system, the part that serves as a passage for both urine and semen is the

A.

urethra

B.

ureter

C.

bladder

D.

seminal vesicle

View Answer

JAMB 2012
78

An evidence of the relationship between living organisms and their extinct relatives can best be obtained from

A.

Embryology

B.

Comparative anatomy

C.

comparative physiology

D.

all of the above

View Answer

JAMB 2004
79

Hassan and Hussain are identical twins but Hasan grows taller and fatter than Hussain. This is probably because

A.

Hussain in endowed with genes for shortness and thinness

B.

They are raised in different environments

C.

they have dissimilar genotypes

D.

Hassan inherits genes for tallness and fatness from the father.

View Answer

JAMB 2006
80

One distinctive feature in the life history of liverworts is that they exhibit

A.

alternation of generation

B.

vegetative reproduction

C.

sexual reproduction

D.

sexual reproduction

View Answer

JAMB 2003
81

Which of the following requires the use of carbon dating to prove that evolution has occurred?

A.

comparative anatomy

B.

biochemical similarities

C.

molecular records

D.

fossil records

View Answer

JAMB 2003
82

Organisms I, II, III and IV have surface volume ratios of 1:2, 1:3, 1:4, 1:5, respectively. The organism that is likely to have the most complex transport system is

A.

IV

B.

III

C.

I

D.

II

View Answer

JAMB 2003
83

Soil fertility can best be conserved and renewed by the activities of

A.

earthworms

B.

man

C.

rodents

D.

microbes

View Answer

JAMB 2003
84

The stunted group of a leguminous plant suffering from nitrogen deficiency may be corrected by inoculating the soil with

A.

denitrifying bacteria

B.

saprophytic bacteria

C.

Rhizobium

D.

nitrosomonas

View Answer

JAMB 2003
85

Spines and shells on animals are adaptations for

A.

camouflage

B.

chemical defence

C.

physical defence

D.

mimicry

View Answer

JAMB 2003
86

A feature association with the Y- chromosome in humans is

A.

Drosophila melanogaster

B.

prominent fingernails

C.

facial hairs

D.

enlarged breast

View Answer

JAMB 2003
87

An insect whose economic importance is both harmful and beneficial is the

A.

tests fly

B.

black

C.

mosquito

D.

butterfly

View Answer

JAMB 2003
88

The structure can be found in the

A.

sympathetic and parasympathetic nervous systems

B.

peripheral and central nervous systems

C.

peripheral nervous system only

D.

central nervous system only

View Answer

JAMB 2003
89

Mycorrhiza is an association between fungi and

A.

protozoans

B.

roots of higher plants

C.

bacteria

D.

filamentous algae

View Answer

JAMB 2003
90

An insect with a mandibulate mouth part will obtain its food by

A.

biting and chewing

B.

chewing and sucking

C.

chewing

D.

Sucking

View Answer

JAMB 2003
91

In the egg of bird, the embryo is located in the

A.

Chalaza

B.

Yolk

C.

albumen

D.

embryo

View Answer

JAMB 2003
92

The cell component that is present in a prokaryotic cell is the

A.

chloroplast

B.

ribosome

C.

mitochondrion

D.

nuclear envelope

View Answer

JAMB 2003
93

The umbrella-shaped fruiting body of a fully developed mushroom is the

A.

pileus

B.

Mycelium

C.

basidium

D.

Stipe

View Answer

JAMB 2003
94

If water that has been coloured red is poured at the base of a wilting plant, it will appear as a red stain in the cells of

A.

Xylem

B.

epidermis

C.

phloem

D.

parench

View Answer

JAMB 2003
95

An example of cryptic colouration is the

A.

mottled colours on moths that rest o lichens

B.

bright colour of an insect pollinated flower

C.

green colour of a plant

D.

bright marks on a poisonous tropical frog on variegated leaves

View Answer

JAMB 2003
96

Hermaphroditic reproduction can be found among the

A.

arthropods and nematodes

B.

Pisces and amphibians

C.

annelids and molluscs

D.

coelenterates and platyghelminthes

View Answer

JAMB 2003
97

In mammalian males, the excretory and reproductive systems share the

A.

ureter

B.

vas deferens

C.

urethra

D.

Testes.

View Answer

JAMB 2003
98

The most important hormone that induces the ripening of fruit is

A.

ethylene

B.

indole acetic acid

C.

gibberellin

D.

cytokinin

View Answer

JAMB 2003
99

One example of fossil fuel is

A.

limestone

B.

coral

C.

coal

D.

firewood

View Answer

JAMB 2003
100

The most effective method of dealing with non-gradable pollutants by \

A.

dumping

B.

recycling

C.

incineration

D.

Burying

View Answer

JAMB 2003
101

The similarly among organisms belonging to the same group will be least within each

A.

family

B.

order

C.

kingdom

D.

species

View Answer

JAMB 2003
102

A limiting factor in a plant population near a chemical factory is likely to be

A.

light

B.

humidity

C.

wind

D.

PH.

View Answer

JAMB 2003
103

If a DNA strand has a base sequence TCA, its complementary strand must be

A.

ATG

B.

TAG

C.

GAT

D.

AGT

View Answer

JAMB 2003
104

The inactive state exhibited by an animal during hot dry seasons is termed

A.

aestivation

B.

dormancy

C.

resting

D.

Hibernation

View Answer

JAMB 2003
105

A man and his wife are both heterozygous for the sickle cell trait. The likely percentage of their offspring that will be either carriers of sicklers is

A.

75%

B.

50%

C.

25%

D.

100%

View Answer

JAMB 2003
106

The dark reaction of photosynthesis involves the

A.

reduction of carbon (IV) oxides to organic compounds

B.

release of oxygen and the splitting of water

C.

photolysis of water and the production of starch

D.

splitting of water into hydrogen ions.

View Answer

JAMB 2003
107

The best method of propagating sugarcane by

A.

seed sowing

B.

layering

C.

grafting

D.

stem cuttings

View Answer

JAMB 2003
108

The point marked I is referred to as

A.

myelin sheath

B.

dendrites

C.

axon

D.

node of Ranvier

View Answer

JAMB 2003
109

If the pair of alleles for baidness is given as Bb, a female carrier will be denoted by

A.

XbY

B.

XBXB

C.

XBY

D.

XBXb

View Answer

JAMB 2003
110

Homologous pairs of chromosomes separate during

A.

cytolysis

B.

cleavage

C.

mitosis

D.

Meiosis

View Answer

JAMB 2003
111

An example of a caryopsis is

A.

guava

B.

maize grain

C.

coconut

D.

tomato

View Answer

JAMB 2003
112

An argument against Lamarck’s theory of evolution is that

A.

disuse of body part cannot weaken the part

B.

disused part is dropped off in the offspring

C.

acquired traits cannot be passed onto the offspring

D.

traits cannot be acquired through constant use of body parts

View Answer

JAMB 2003
113

The causative reagent of typhoid fever is

A.

Entamoeba

B.

Salmonella

C.

Shigella

D.

Escherichia

View Answer

JAMB 2006
114

An organism which exhibits extracelluar digestion is

A.

Paramecium

B.

Rhizopus

C.

Spirogyra

D.

Amoeba

View Answer

JAMB 2006
115

The soil type that contains nutrients which are not readily available for plants is

A.

sandy

B.

Alluvial

C.

loamy

D.

clayey

View Answer

JAMB 2006
116

The dominant phase in the life cycle of a bryophyte is the

A.

prothallus

B.

Gametangium

C.

saprophyte

D.

gametophyte

View Answer

JAMB 2006
117

The change in the length of the necks of the giraffes shown was brought about by

A.

predation

B.

symbiosis

C.

natural selection

D.

geographical isolation

View Answer

JAMB 2006
118

One basic similarly between nervous and endocrine system is that both

A.

produce precise and short –lived effects

B.

Involve the use of chemical substances

C.

transmit very fast impulses

D.

produce widespread effects.

View Answer

JAMB 2006
119

Which of the following vertebrates has the most simple structured heart?

A.

fish

B.

Mammal

C.

Amphibian

D.

Reptile

View Answer

JAMB 2006
120

The variation illustrated is

A.

physiological

B.

discontinuous

C.

morphological

D.

biochemical

View Answer

JAMB 2006
121

One advantage of variation in a species population is that individuals

A.

easily reach their reproduction age

B.

with favoured trait become dominant

C.

are better adapted to changes

D.

are easily recognized by mates

View Answer

JAMB 2006
122

Mendel, s second law of inheritance states that

A.

alleles separate predictably

B.

alleles segregate independently

C.

chromosomes segregate independently

D.

alleles combine randomly

View Answer

JAMB 2006
123

In the transverse section of a dicot stem, the region lying between the endodermis and the vascular bundle is the

A.

parenchyma

B.

Pholem

C.

phypodermis

D.

pericyle

View Answer

JAMB 2006
124

The organ situated in the pericardial cavity of a mammal is the

A.

stomach

B.

Liver

C.

Liver

D.

spleen

View Answer

JAMB 2006
125

Grasses recover quickly from bush fires in the savanna because of their

A.

succulent stems

B.

rapid growth

C.

fibrous roots

D.

perennating organs

View Answer

JAMB 2006
126

The mammalian vain which starts with and ends in a capillary network is the

A.

hepatic portal vein

B.

pulmonary vein

C.

renal vein

D.

measenteric vein

View Answer

JAMB 2006
127

The two normal types of sex chromosomes are

A.

xxy and xyy

B.

xx and xyy

C.

xx and xy

D.

xy and xxy

View Answer

JAMB 2006
128

Night blindness result from a deficiency of

A.

Vitamin E

B.

Vitamin K

C.

Vitamin C

D.

Vitamin A

View Answer

JAMB 2006
129

The evidence that supports the advancement of fern over mosses is derived from

A.

biochemical similarities

B.

C.

physiological records

D.

molecular records

View Answer

JAMB 2006
130

A unique characteristic of the cervical vertebrae is the present of

A.

long transverse processes

B.

zygaphphysis

C.

vertebraterial canal

D.

large centrum

View Answer

JAMB 2006
131

The main purpose of establishing shelter belts in the sahel region to

A.

break the harmattan wind

B.

beautify the region

C.

check desert encroachment

D.

provide wood fuel

View Answer

JAMB 2006
132

In rabbits, the chamber of the heart that receives oxygenated blood from the lungs is the

A.

left auricle

B.

right auricle

C.

left ventricle

D.

right ventricle

View Answer

JAMB 2006
133

The product of excretion common to the mammalian kidney lung and skin is

A.

Urea

B.

carbon (IV)oxides

C.

mineral salt

D.

water

View Answer

JAMB 2006
134

The part of the mammalian skin involved in temperature regulation is the

A.

sebaceous gland

B.

sweat gland

C.

hair follicle

D.

hair pailla

View Answer

JAMB 2006
135

An increase in air pressure in the lings is due to the

A.

increase in the volume of the thoracic cavity

B.

relaxation of the diaphragm

C.

upward movement of the ribs

D.

contraction intercostal muscles

View Answer

JAMB 2006
136

The role of the Golgi com plex in a eukaryotic cell is to

A.

transport genetic material out of the cell

B.

transport organic materials in and out of the cell

C.

provide attachment for ribosomal granules

D.

conduct ions and out of the cell

View Answer

JAMB 2006
137

Which of following produces both hormones and enzymes?

A.

Gall blader

B.

Lieum

C.

Pancreas

D.

kidney

View Answer

JAMB 2006
138

Water is necessary for a germinating seed because it

A.

wets the soil for proper germination

B.

protects the seed from desiccation

C.

activates the enzymes

D.

promotes aerobic respiration

View Answer

JAMB 2006
139

Mammals are capable of producing hypertonic urine mainly because of re-absorption in the

A.

urethra

B.

loop of henle

C.

ureater

D.

Bowman’s capsule

View Answer

JAMB 2006
140

Inn a dictyledonous stem, the zone between the epidermis and the pericycle is the

A.

cortex

B.

stele

C.

xylem

D.

phloem

View Answer

JAMB 2008
141

In the alimentary system of a bird, the function of teeth is carried out by the

A.

crop

B.

Beak

C.

Gizzard

D.

tongue

View Answer

JAMB 2008
142

What will happen when two equal sized pieces of unripe pawpaw labeled X and Y are dropped into equal volumes of concentrated salt solution and distilled water respectively?

A.

Pawpaw X will become turgid

B.

Both will increase in size

C.

pawpaw Y will become turgid

D.

Both will decrease in size

View Answer

JAMB 2008
143

The order of passage of food in the digestive system is

A.

ileum caecum large intestine rectum

B.

ileum colon caecum rectum

C.

large intestine ileum caecum rectum

D.

colon caeum ileum rectum

View Answer

JAMB 2008
144

Radial symmetry is a feature common to the

A.

platyhelminthes

B.

nematodes

C.

coelentrates

D.

arthropods

View Answer

JAMB 2008
145

A boy who is fond of swimming in a pond finds himself passing urine with traces of blood. He is likely to have contracted

A.

Schistosomiasis

B.

onchoerciasis

C.

poliomyelitis

D.

salmonellosis

View Answer

JAMB 2008
146

The easiest way to establish the level of pollution in a local stream is to measure the level of

A.

oxygen

B.

carbon(IV) oxide

C.

ammonia

D.

alkalinity

View Answer

JAMB 2008
147

The natural process that produces adaptive evolutionary changes is

A.

mutation

B.

gene flow

C.

genetic drift

D.

natural selection

View Answer

JAMB 2008
148

In an experiment to determine the percentage of air in a soil sample, the Following readings were recorded: Volume of water inn a measuring cylinder = 500cm3 Volume of soil added to water= 350cm2 Volume of water andn soil after stirring= 800cm2 The percentage of air in the soil sample is

A.

6.25%

B.

10. 36%

C.

14.28%

D.

43.28%

View Answer

JAMB 2008
149

Exhaled air differs from inhaled air in that it

A.

contains less amount of carbon (IV) oxide

B.

is usually lower in temperature

C.

often has more oxygen

D.

usually has more water vapour

View Answer

JAMB 2008
150

The bacteria type that are arranged in chains are the

A.

Staphylococci

B.

clostridia

C.

streptococci

D.

Bacilli

View Answer

JAMB 2008
151

The transmission of impulses along a nerve fibre is characterized by

A.

hormonal and temperature changes

B.

electrical and ionic changes

C.

hormonal changes

D.

electrostatic changes

View Answer

JAMB 2008
152

During ovulation, an egg is released from the

A.

corpus luteum

B.

ovarian funnel

C.

Graafian follicle

D.

fallopian tube

View Answer

JAMB 2008
153

The Rhesus factor of blood was first identified in a category of

A.

monkeys

B.

human females

C.

human males

D.

chimpanzees

View Answer

JAMB 2008
154

Insectivorous plants traps and kill their prey to derive

A.

phosphorous

B.

calcium

C.

nitrogen

D.

Zinc

View Answer

JAMB 2008
155

Stomata of some plants are sunken and protected by hairs. These are features of

A.

mesophytes

B.

epiphtes

C.

hydrophytes

D.

Xerophytes

View Answer

JAMB 2008
156

The cell of an onion bulb can be differentiated from a cheek cell by the presence of

A.

plasmalemma

B.

chloroplast

C.

cell wall

D.

nucleus

View Answer

JAMB 2008
157

In the mammalian kidney, the Bowman’s capsule is located in the

A.

ureter

B.

Pelvis

C.

cortex

D.

medulla

View Answer

JAMB 2008
158

A major adaptive feature of endo-parasites is the

A.

loss of the organ of movement

B.

presence of claws

C.

loss of the central nervous system

D.

presence of piercing mouthparts

View Answer

JAMB 2008
159

A plant parenchyma cell also acts as a supporting tissue when it

A.

becomes faccid

B.

contains cystals

C.

becomes turgid

D.

is pigmented

View Answer

JAMB 2008
160

The beak of a duck is structurally adapted for

A.

scooping and sieving food

B.

catching and gasping food

C.

picking and cracking food

D.

boring and sucking food

View Answer

JAMB 2008
161

Which of the following is a major case of variation among organisms?

A.

inbreeding

B.

backcrossing

C.

sexual reproduction

D.

Gene dominance

View Answer

JAMB 2008
162

A characteristic that can possibly be shared by both living and non-living organisms is

A.

locomotion

B.

irritability

C.

increase in biomass

D.

increase in size

View Answer

JAMB 2008
163

The most abundant group of organism in the animal kingdom is

A.

Mammalian

B.

Aves

C.

Annelida

D.

Insecta

View Answer

JAMB 2008
164

The most important characteristic that makes reptiles to conquer terrestrial habitats is the possession of

A.

long tail

B.

scaly skin

C.

sharp claw

D.

amniotic egg

View Answer

JAMB 2008
165

In plants, the structure that performs a similar function with the testis is in mammals is the

A.

stigma

B.

filament

C.

anther

D.

replace

View Answer

JAMB 2008
166

Which of the following is used mainly for balancing in fish?

A.

The causal fin

B.

the pectoral fin

C.

the anal fin

D.

The dorsal fin

View Answer

JAMB 2008
167

The major consequences of bush burning in an ecosystem is

A.

the loss of water absorbing ability of the soil

B.

the loss of biological diversity

C.

a decrease in animal population

D.

an increase in soil fertility

View Answer

JAMB 2008
168

The main ecological problem facing interidal organisms is

A.

dessciation

B.

floatation

C.

salinity

D.

humidity

View Answer

JAMB 2008
169

Which of the following associations is an example of mutalism?

A.

hydra viridis and zoochlorellae

B.

human and lice

C.

Shark and Remora fish

D.

Bread and Rhizopus stolonifer

View Answer

JAMB 2008
170

In a typical freshwater habitat, the edge of the stream or pond constitutes the

A.

tidal zone

B.

interidal zone

C.

littoral zone

D.

euphotic zone

View Answer

JAMB 2008
171

Which of the following is the most advanced evolutionary development in plants? (a) possession of unicellular structures

A.

possession of unicellular structures

B.

Development of flowers

C.

dispersal of spores

D.

Development of secondary thickening

View Answer

JAMB 2008
172

A plant like feature I Euglena is the

A.

Pellicle

B.

pigment sport

C.

large vacuole

D.

gullet

View Answer

JAMB 2004
173

Insects are considered the most successful among the invertebrates because they

A.

possess exoskeletons

B.

survive in various environmental conditions

C.

have wings for flight

D.

possess the ability to change their forms

View Answer

JAMB 2004
174

Which of the following instruments is used to measure relative humidity?

A.

Thermometer

B.

Hygrometer

C.

Anemometer

D.

Hydrometer

View Answer

JAMB 2011
175

The barrier between maternal and foetal blood is the

A.

placenta

B.

liver

C.

umbilical chord

D.

uterine wall

View Answer

JAMB 2010
176

An example of a fruit that develops from a single carpel is

A.

(a)okro

B.

tomato

C.

bean

D.

orange

View Answer

JAMB 2012
177

A farmer’s assumption that the seed from a good harvest will produce a good yield is explained by the theory of

A.

evolution

B.

adaptation

C.

variation

D.

heredity

View Answer

JAMB 2009
178

The vector for yellow fever is

A.

edges mosquito

B.

anopheles mosquito

C.

tsetse fly

D.

blackly

View Answer

JAMB 2010
179

Lack of space in a population could lead to an increase in

A.

birth rate

B.

disease rate

C.

drought

D.

water scarcity

View Answer

JAMB 2011
180

The urinary tubules of the kidney function through

A.

osmosis and diffusion

B.

active transport and osmosis

C.

ultra filtration and selective re-absorption

D.

active transport and cytoplasmic streaming

View Answer

JAMB 2005
181

The inheritable characters that are determined by a gene located only on the X-chromosome is

A.

sex linked

B.

homozygous

C.

dominant

D.

recessive

View Answer

JAMB 2011
182

In the root vascular system, the stele is directly surrounding by the

A.

pericycle

B.

cortex

C.

endodermis

D.

Parenchyma

View Answer

JAMB 2005
183

Mycorrhizae promote plant growth by

A.

absorbing inorganic ions from the soil

B.

protecting it from infection

C.

helping it to utilize atmospheric nitrogen

D.

serving as a growth regulator

View Answer

JAMB 2010
184

Bird toes suitable for digging have claws that are

A.

blunt

B.

curved

C.

hooked

D.

sharp

View Answer

JAMB 2009
185

The adaptive importance of nuptial flight from termite colonies is to

A.

provide abundant food for birds and other animals during the early rains

B.

ensure cross breeding between members of one colony and another

C.

expel the reproductive so as to provide enough food for other members

D.

disperse the reproductive in order to establish new colonies

View Answer

JAMB 2011
186

When a mixture of a food substance fand Benedict’s solution was warmed, the solution changed from blue to brick red . This indicates the presence of

A.

reducing sugar

B.

fatty acid

C.

sucrose

D.

amino acid

View Answer

JAMB 2010
187

The hyphal wall of fungi is rigid owing to the presence of

A.

cell wall

B.

lignin

C.

cellulose

D.

chitia

View Answer

JAMB 2005
188

Throxne and adrenalin are examples of hormones which control

A.

blood grouping

B.

tongue rolling

C.

behavioural patterns

D.

colour variation

View Answer

JAMB 2010
189

The first terrestrial vertebratese volved from

A.

pisces

B.

Reptilia

C.

Amphibia

D.

Mammalia

View Answer

JAMB 2009
190

In Nigeria, the Guinea Savanna belt borders the

A.

mangrove swamps and the Sahel savanna

B.

rainforests and the Sudan savanna

C.

deserts and the Sudan savanna

D.

rainforests and the desert.

View Answer

JAMB 2005
191

If the cross of a red flowered plant with a white flowered plant produces a pink flowered plant, it is an example of

A.

incomplete dominance

B.

mutation

C.

linkage

D.

co dominance

View Answer

JAMB 2011
192

Which of the following is true of cloning?

A.

it involves the asexual multiplication of the tissues of the original organisms

B.

the clone is similar to but not exactly like the original organism

C.

Only one cell of the original organism is needed to initiate the process

D.

it is welcomed as an ethically and morally sound science

View Answer

JAMB 2007
193

A food chain always begins with a

A.

consumer

B.

decomposer

C.

producer

D.

primary consumer

View Answer

JAMB 2010
194

The brightly coloured eye spots on the hind wings of a moth are an example of

A.

disruptive colouration

B.

continuous variation

C.

divergent Evolution

D.

convergent evolution

View Answer

JAMB 2011
195

In the male reproductive system of a mammal, sperm is stored in the

A.

van deferens

B.

urethra

C.

epididymis

D.

seminiferous tubules

View Answer

JAMB 2010
196

I. Rettus rattus II. Agama agama II Bufo regularis IV. Tilapia Zill. The order of evolutionary advancement of the above

A.

I, II and III , IV

B.

I, IV, III, II

C.

II, III, IV, I

D.

IV, III, II, I

View Answer

JAMB 2005
197

The axial skeleton is found in the

A.

skull , ribs, vertebral column and breast bone

B.

skull humerus, vertebral column and ribs

C.

breastbone, clavicle, rids and vertebral column

D.

femur, sternum, ulnae and skull

View Answer

JAMB 2009
198

Sex –linked genes are located on

A.

Y-chromostome

B.

X and Y chromosomes

C.

Homologens chromosomes

D.

X-Chromosome

View Answer

JAMB 2004
199

Plants of temperate origin can be grown in tropical areas in the vegetation zones of the

A.

rain forest

B.

Guinea savanna

C.

Sudan savanna

D.

montane forest

View Answer

JAMB 2012
200

The number of alleles controlling blood groups in humans is

A.

4

B.

5

C.

2

D.

3

View Answer

JAMB 2011
201

In plants, which of the following is required in minute quantities for growth?

A.

copper

B.

potassium

C.

phosphorous

D.

sodium

View Answer

JAMB 2012
202

The enzymes of the glycolytic pathway are located in the

A.

mitochondria

B.

gastric juice

C.

plasma

D.

cytoplasm

View Answer

JAMB 2009
203

The use and disuse of body parts and the inheritance of acquired traits were used to explain

A.

Darwin’s theory

B.

Lamarck’s theory

C.

genetic drift

D.

gene flow

View Answer

JAMB 2012
204

The pioneer organism in ecological succession are usually the

A.

mosses

B.

lichens

C.

ferns

D.

Algae

View Answer

JAMB 2003
205

Which of the following has the most primitive respiratory system?

A.

Fish

B.

Snail

C.

Mouse

D.

insect

View Answer

JAMB 2007
206

In nature, plants and animals are perpetually engaged in mutulism because

A.

all animals rely on food produced by plants

B.

they utilize respiratory wastes of each other

C.

they are neighbours

D.

they are rivals

View Answer

JAMB 2011
207

The specialized pigment cells that are involved in colouration and colour change in animals are the

A.

xanthophyl

B.

chromatophores

C.

chlorophyll

D.

mechanic

View Answer

JAMB 2009
208

In which of the following species is the biomass of an individual the smallest?

A.

Agama sp

B.

Bufo sp

C.

spirogyra sp

D.

Tilapia sp

View Answer

JAMB 2011
209

The oily substance that lubricates the mammalian hair to keep it flexible ad water repellent is secreted by the

A.

sweat glands

B.

sebaceous glands

C.

fatty cells

D.

granular layer

View Answer

JAMB 2010
210

The dominant phase in the life cycle of a fern is the

A.

gametophyte

B.

prothallus

C.

sporophyte

D.

antheridium

View Answer

JAMB 2010
211

The mode of nutrition of sundew and bladderwort can be described as

A.

autotrophic

B.

saprophytic

C.

holozoic

D.

chemosynthetic

View Answer

JAMB 2010
212

Which of the following stimuli is likely to elicit a nastic response in an organism?

A.

Touch

B.

Light intensity

C.

Chemical substances

D.

gravity

View Answer

JAMB 2010
213

The gall bladder of mammal has a duct connected to

A.

liver

B.

duodenum

C.

small intestine

D.

pancreas

View Answer

JAMB 2004
214

When a peacock displays its colourful feathers, it is

A.

ready for a fight

B.

protecting itself from predators

C.

protecting its mate from predator

D.

courting a female

View Answer

JAMB 2005
215

The correct sequence of the movement of urea during urine formation is

A.

Convoluted tubule_ glomerulus_Henle’s loop_ Bowman’s capsule_collecting tubule

B.

Glomerulus_Bowman’s capsule_convoluted tuble_ Henle’s loop_collecting tubule

C.

convoluted tubule_ Bowman’s capsule_Henle’s loop _ glomerulus_collecting tubule

D.

Glomerulus_Bowman’s capsule_convoluted tubule_ Henle’s loop_convoluted tubule_collecting tubule

View Answer

JAMB 2007
216

A yellow maize is crossed with the a white maize and the first filial generation produce yellow maize only. The white trait is said to exhibit

A.

dominance

B.

recessiveness

C.

codominance

D.

Incomplete dominance

View Answer

JAMB 2005
217

Yeast respires anaerobically to covert simple sugar to carbon (IV) oxide and

A.

alcohol

B.

acid

C.

oxygen

D.

water

View Answer

JAMB 2010
218

Seed plants are divided into

A.

angiosperms and gymnosperms

B.

monocotyledons and dicotyledons

C.

thallophyes and pbryophytes

D.

Tracheophytes and ferns

View Answer

JAMB 2011
219

Which of the following groups of cells is devoid of true nuclei?

A.

viruses

B.

algae

C.

Monera

D.

Fungi

View Answer

JAMB 2010
220

The Breakdown of fats and oils into simpler absorbable compounds is catalyzed by the group of enzymes called

A.

lipases

B.

hydrolases

C.

amylases

D.

peptidases

View Answer

JAMB 2004
221

The chromosomes of members of the kingdom monera are within the

A.

nucleus

B.

nucleolus

C.

cytoplasm

D.

Nucleoplasm

View Answer

JAMB 2007
222

Plants that show secondary growth are usually found among the

A.

thallophytes

B.

pteridophytes

C.

monocotyledons

D.

dicotyledons

View Answer

JAMB 2012
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