JAMB UTME - Biology - 1983 | Green Bridge CBT

Swali 1 Ripoti

If an organic compound has its hydrogen: oxygen ratio as 2:1, it is likely to be

a protein

a cabohydrate

a fat

a fatty acid and glycerol

an amino acid

Maelezo ya Majibu

Soma maelezo ya somo kwenye Modes Of Nutrition (WAEC)

Soma maelezo ya somo kwenye DNA Structure And Replication, RNA Transcription (WAEC)

Modes Of Nutrition

DNA Structure And Replication, RNA Transcription

Tazama Jibu

Swali 2 Ripoti

What is the genetic ratio of the F2 generation if members of F generation are allowed to self-pollinate?

1 tall : 3 short

3 tall : 1 short

1 tall : 1 short

4 short : 0 tall

4 tall : 0 short

Maelezo ya Majibu

Soma maelezo ya somo kwenye Genetic Terminologies (WAEC)

Genetic Terminologies

Tazama Jibu

Swali 3 Ripoti

In a positive phototropic response of a coleoptile, the region of greatest curvature is brought about by the

movement of auxins away from the region of curvature

even distribution of auxins in all parts of the coleoptile

inhibition of growth by auxins in the region f smaller curvature

concentration of auxins in the region of curvature

absence of auxins in the coleoptile

Maelezo ya Majibu

Soma maelezo ya somo kwenye Protein Synthesis (WAEC)

Soma maelezo ya somo kwenye Nucleic Acids (WAEC)

Protein Synthesis

Nucleic Acids

Tazama Jibu

Swali 4 Ripoti

An organism having one pair of identical genes is

a heterozygote

a hybride

an allelomorph

a homozygote

a diploid

Maelezo ya Majibu

Soma maelezo ya somo kwenye Behavioural Adaptations In Social Animals (WAEC)

Soma maelezo ya somo kwenye Heredity (JAMB)

Behavioural Adaptations In Social Animals

Heredity

Tazama Jibu

Swali 5 Ripoti

Which of the following structure is NOT found in the female agama lizard?

Pre-anal pads

Eardrum

Gular fold

Nasal scale

Nuchal crest

Maelezo ya Majibu

Tazama Jibu

Swali 6 Ripoti

The part of the mammalian brain responsible for maintaining balance is the

medulla oblongata

olfactory lobe

cerebellum

cerebrum

frontal lobe

Maelezo ya Majibu

Soma maelezo ya somo kwenye Nervous Coordination (WAEC)

Nervous Coordination

Tazama Jibu

Swali 7 Ripoti

Groundnut is not really a 'nut' in the biological sense because

it is harvested from inside the ground

pericarp is not hard and tough

the fruit is not as hard as coconut

the fruit is not succulent

it is an achene

Maelezo ya Majibu

Soma maelezo ya somo kwenye Classification (WAEC)

Soma maelezo ya somo kwenye Physiological Variations (WAEC)

Classification

Physiological Variations

Tazama Jibu

Swali 8 Ripoti

Which of the following statements on the mammalian circulatory system is NOT true?

Blood in the pulimonary artery is richer in oxygen content than blood in the pulmonary vein

The blood in the hepatic portal vein is the richest in food substance

Blood flow is controlled by valves in the veins

Arteries are generally thicker and larger than veins

Fibrin helps in the formation of blood clot

Maelezo ya Majibu

Tazama Jibu

Swali 9 Ripoti

Which of the following is NOT a characteristic of monocot plants?

Occurrence of secondary thickening

Parallel venation

Scattered vascular bundles

Floral parts arranged in threes

Perianth is usually insignificant

Maelezo ya Majibu

Soma maelezo ya somo kwenye Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Tazama Jibu

Swali 10 Ripoti

Starting from the skull end the vertebrate are arranged in the following order

axis, atlas, cervical, thoracic and lumber

atls, cervical, axis, thoracic and lumber

atlas, axis, thoracic, cervical and lumber

atlas, axis, cervical, thoracic and lumber

atlas, thoracic, cervical, axis and lumber

Maelezo ya Majibu

Soma maelezo ya somo kwenye Organization Of Life (WAEC)

Organization Of Life

Tazama Jibu

Swali 11 Ripoti

which of these worms is beneficial to man?

Hookworm

Tapeworm

Roundworm

Earthworm

Guinea worm

Maelezo ya Majibu

Soma maelezo ya somo kwenye Plant Nutrition (WAEC)

Plant Nutrition

Tazama Jibu

Swali 12 Ripoti

In a dicot leaf, guard cells differ from other epidermal cells because they

have no definite shape

lack nuclei

are smaller

contain chloroplast

lack vacuole

Maelezo ya Majibu

Soma maelezo ya somo kwenye Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Soma maelezo ya somo kwenye Natural Habitats (JAMB)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Natural Habitats

Tazama Jibu

Swali 13 Ripoti

In what order do the following structure develop during the metamorphosis of the toad? 1. External gills 2. Internal gills 3. Forelimbs 4.Hindlimbs 5. Mouth

12345

15243

21345

53412

54321

Maelezo ya Majibu

Soma maelezo ya somo kwenye Soil (WAEC)

Soil

Tazama Jibu

Swali 14 Ripoti

Banana, plantain and pineapple can be grouped together because they

produce small seeds

are multiple fruit

produce suckers

have runners

have bulbils

Maelezo ya Majibu

Soma maelezo ya somo kwenye Crime Detection (WAEC)

Crime Detection

Tazama Jibu

Swali 15 Ripoti

Which of the following elements are necessary for the formation of chlorophyll in a plant?

magnesium and iron

Calcium and potassium

Calcium and sulphur

Potasium and sulphur

Phosphorus and potassium

Maelezo ya Majibu

Soma maelezo ya somo kwenye Population Studies By Sampling (WAEC)

Soma maelezo ya somo kwenye Nucleic Acids (WAEC)

Population Studies By Sampling

Nucleic Acids

Tazama Jibu

Swali 16 Ripoti

Which of the labelled part in the figure above will develop into new bulb?

Maelezo ya Majibu

Tazama Jibu

Swali 17 Ripoti

The movement of plant in response to external stimulus of no particular direction is

taxism

tropism

hyptotropic movement

nastic movement

phototropism

Maelezo ya Majibu

Tazama Jibu

Swali 18 Ripoti

Which of the following substance is not found in urine?

Water

Sodium chloride

Nitrogenous compounds

Calcium chloride

Nitrogenous salts

Maelezo ya Majibu

Soma maelezo ya somo kwenye Excretory Systems And Mechanisms Types Of Excretor (WAEC)

Soma maelezo ya somo kwenye Application Of The Principles Of Heredity (WAEC)

Soma maelezo ya somo kwenye The Ecology Of Populations (JAMB)

Excretory Systems And Mechanisms Types Of Excretor

Application Of The Principles Of Heredity

The Ecology Of Populations

Tazama Jibu

Swali 19 Ripoti

Which of the following statements about the rate of transpiration is INCORRECT? It is

Dependent on temperature

Affected by changes in light intensity

Unaffected by humidity

Dependent on air movement

Affected by availability of water

Maelezo ya Majibu

Soma maelezo ya somo kwenye Transport System (WAEC)

Soma maelezo ya somo kwenye Relevance Of Biology To Agriculture (WAEC)

Transport System

Relevance Of Biology To Agriculture

Tazama Jibu

Swali 20 Ripoti

What type of fruit is formed from a single flower having several carpels?

Multipe fruit

Simple fruit

Aggregrate fruit

Dehiscent fruit

Indehiscent fruit

Maelezo ya Majibu

Tazama Jibu

Swali 21 Ripoti

The path taken by glucose from the ileum to the heart is

Ileum →hepatic portal vein →hepatic artery → vena cava → heart

Ileum → hepatic portal artery →hepatic artery → vena cava → heart

Ileum → hepatic portal vein → vena cava → heart

Ileum → hepatic vein → vena cava → heart

Ileum → hepatic portal vein → hepatic vein → vena cava → heart

Maelezo ya Majibu

Tazama Jibu

Swali 22 Ripoti

Root hairs are developed from the

root apex

epidermis of root

vascular bundles

endodermis

pericycle

Maelezo ya Majibu

Soma maelezo ya somo kwenye Structural Adaptation For Obtaining Food (WAEC)

Soma maelezo ya somo kwenye Tissues And Supporting Systems: (WAEC)

Soma maelezo ya somo kwenye Cell Structure (WAEC)

Structural Adaptation For Obtaining Food

Tissues And Supporting Systems:

Cell Structure

Tazama Jibu

Swali 23 Ripoti

The kidneys of all vertebrates act as osmoregulators. This means that they

keep the composition of the plasma constant

regulate osmotic processes

control the volume of blood entering the kidneys

decrease the osmotic pressure of the blood

increase the osmotic pressure of blood

Maelezo ya Majibu

Tazama Jibu

Swali 24 Ripoti

The tuber cassava is NOT a stem tuber because it

Is distended with food reserve

Has an aerial shoot portion

Has other structure that could be called root

Lacks axillary buds

Has a bark over its stored food

Maelezo ya Majibu

Tazama Jibu

Swali 25 Ripoti

Which of the following instruments is used for determining turbidity of water?

Thermometer

secchi disc

rain guage

Hydrometer

Wind vane

Maelezo ya Majibu

Soma maelezo ya somo kwenye Transport System (WAEC)

Transport System

Tazama Jibu

Swali 26 Ripoti

In the onion bulb, food is stored in the

stem

lateral buds

cotyledons

outer scale leave

leaf base

Maelezo ya Majibu

Soma maelezo ya somo kwenye Nutrition (JAMB)

Soma maelezo ya somo kwenye Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Nutrition

Morphology Of Monocotyledonous And Dicotyledonous Plants

Tazama Jibu

Swali 27 Ripoti

A population is defined as the collection of

Similar organism that are found in the same habitat

Similar organisms that breed in the same habitat

Similar organisms that interbreed freely in the same habitat

Similar organism eating the same food

Different organisms in the same habitat

Maelezo ya Majibu

A population is a summation of all the organisms of the same group or species, which live in a particular geographical area, and have the capability of interbreeding.

Soma maelezo ya somo kwenye Co-ordination And Control (JAMB)

Co-ordination And Control

Tazama Jibu

Swali 28 Ripoti

One disease NOT caused directly by bacteria is

malaria

tuberculosis

pneumonia

tetanus

cholera

Maelezo ya Majibu

Soma maelezo ya somo kwenye Resources To Be Conserved: Soil, Water, Wildlife (WAEC)

Resources To Be Conserved: Soil, Water, Wildlife

Tazama Jibu

Swali 29 Ripoti

The main function of 6 is to?

Separate 5 from 7

Produce more of 5 and 7

Produce Cork

Translocate water and mineral salt

Conduct carbon dioxide to the other parts

Maelezo ya Majibu

Soma maelezo ya somo kwenye Transport System (WAEC)

Soma maelezo ya somo kwenye Cell Structure (WAEC)

Transport System

Cell Structure

Tazama Jibu

Swali 30 Ripoti

In rhizopus carbohydrate is stored in the form of

Glucose

Paramylon

Glycogen

Starch

Oil

Maelezo ya Majibu

Tazama Jibu

Swali 31 Ripoti

In woody plants, grass and water vapour are transported across the stems by the

xylem fibres

medullary rays

sieve tubes

phloem fibres

phloem parenchyma

Maelezo ya Majibu

Soma maelezo ya somo kwenye Transport System (WAEC)

Soma maelezo ya somo kwenye Classification (WAEC)

Transport System

Classification

Tazama Jibu

Swali 32 Ripoti

‘Jointed skeleton’ is absent in the

Cockroach

Spider

Millipede

Snail

Dragon fly

Maelezo ya Majibu

Tazama Jibu

Swali 33 Ripoti

Which of the following diseases is NOT caused by a virus?

Rinderpest

Maize rust

Newcastle diseases

Swine fever

Cassava mosaic diseases

Maelezo ya Majibu

Soma maelezo ya somo kwenye Animal Nutrition (WAEC)

Soma maelezo ya somo kwenye Resources To Be Conserved: Soil, Water, Wildlife (WAEC)

Soma maelezo ya somo kwenye Microorganisms Around Us (WAEC)

Animal Nutrition

Resources To Be Conserved: Soil, Water, Wildlife

Microorganisms Around Us

Tazama Jibu

Swali 34 Ripoti

Which of the following features can be used to identify the figure above?

Position of 7

Its circular nature

Number of 5

Presence of 3

Width of 2

Maelezo ya Majibu

Tazama Jibu

Swali 35 Ripoti

Which of the following represents the evolutionary sequence in these plants? 1. Flowering plants 2. Ferns 3. Mosses 4. Algae 5. Conifers

2 → 1 → 4 → 3 → 5

5 → 4 → 3 → 2 → 1

2 → 4 → 5 → 1 →3

3 → 2 → 4 → 5 → 1

4 → 3 → 2 → 5 → 1

Maelezo ya Majibu

Soma maelezo ya somo kwenye Evolution (Theories and Evidence) (WAEC)

Evolution (Theories and Evidence)

Tazama Jibu

Swali 36 Ripoti

Urea is produced in the

Liver

Bladder

Spleen

Kidneys

Gall bladder

Maelezo ya Majibu

Soma maelezo ya somo kwenye Excretory Systems And Mechanisms Types Of Excretor (WAEC)

Excretory Systems And Mechanisms Types Of Excretor

Tazama Jibu

Swali 37 Ripoti

Which of the following statements about the dentition of man is INCORRECT ? man has

More molars than incisors

No diastema

The same number of teeth on upper and lower jaw

A total of thirty-two teeth

A total of six molars

Maelezo ya Majibu

Soma maelezo ya somo kwenye Modes Of Nutrition (WAEC)

Soma maelezo ya somo kwenye Growth (JAMB)

Modes Of Nutrition

Growth

Tazama Jibu

Swali 38 Ripoti

When spirogyra cell is immersed in a salt solution more concentrated than its cell sap, it

Remains unchanged

Takes up water an burst

Absorbs a little water

Loses water and shrivels

Becomes turgid

Maelezo ya Majibu

Soma maelezo ya somo kwenye Nucleic Acids (WAEC)

Soma maelezo ya somo kwenye Cell Structure (WAEC)

Nucleic Acids

Cell Structure

Tazama Jibu

Swali 39 Ripoti

Plants which can survive in places where the water supply is limited are

bryophytes

mesophytes

xerophytes

hydrophytes

pteridophytes

Maelezo ya Majibu

Soma maelezo ya somo kwenye Blood Transfusion (WAEC)

Soma maelezo ya somo kwenye Soil (WAEC)

Soma maelezo ya somo kwenye Co-ordination And Control (JAMB)

Blood Transfusion

Soil

Co-ordination And Control

Tazama Jibu

Swali 40 Ripoti

If an isolated living cell is left in distilled water for two hours, it is likely to

lose some of its water to the surrounding water

lose all of its water to the surrounding water

reproduce by binary fission

become more turgid

die due to excess water

Maelezo ya Majibu

Soma maelezo ya somo kwenye Cell Structure (WAEC)

Soma maelezo ya somo kwenye The Cell And Its Environment: Physical And Biophysical Processes (WAEC)

Cell Structure

The Cell And Its Environment: Physical And Biophysical Processes

Tazama Jibu

Swali 41 Ripoti

Which of the following diseases could be exclusively associated with river basin?

Malaria

Syphilis

Onchocerciasis

Cholera

Poliomyelitis

Maelezo ya Majibu

Soma maelezo ya somo kwenye Humans And Environment (JAMB)

Soma maelezo ya somo kwenye Plant Nutrition (WAEC)

Humans And Environment

Plant Nutrition

Tazama Jibu

Swali 42 Ripoti

Which sequence represents the correct order of organisms un a food chain? 1. Toad 2. Mucuna 3. Grasshopper 4. Snake 5. Hawk

5 → 4 → 1 → 3 → 2

1 → 2 → 3 → 4 → 5

2 → 1 → 3 → 4 → 5

2 → 3 →1 → 5 →4

2 → 3 → 1 → 4 → 5

Maelezo ya Majibu

Soma maelezo ya somo kwenye Food Webs And Trophic Levels (WAEC)

Food Webs And Trophic Levels

Tazama Jibu

Swali 43 Ripoti

Herbs differ from shrubs because they

do not produce fruit

are useful to herbalist

do not become woody

are only annual

are only perennials

Maelezo ya Majibu

Soma maelezo ya somo kwenye Forms In Which Living Cells Exist (WAEC)

Forms In Which Living Cells Exist

Tazama Jibu

Swali 44 Ripoti

The dental formula of a i(3/3); c(1/1); pm(4/4; m(2/3) = 42 represent that of a

rabbit

full grown man

young child

dog

sheep

Maelezo ya Majibu

Soma maelezo ya somo kwenye Physiological Variations (WAEC)

Physiological Variations

Tazama Jibu

Swali 45 Ripoti

The function of the ossicles (malleus, incus and stapes) in the mammalian ear is

Transmission of vibrations

Regulation of pressure

Support of the inner ear

Maintenance of balance during motion

Secretion of oil

Maelezo ya Majibu

Soma maelezo ya somo kwenye Cell Structure (WAEC)

Cell Structure

Tazama Jibu

Swali 46 Ripoti

Which of the following will not allow osmosis to take place

pig's bladder

cellophane

parchment paper

transparent polythene

cow's bladder

Maelezo ya Majibu

Soma maelezo ya somo kwenye Blood Transfusion (WAEC)

Soma maelezo ya somo kwenye The Cell And Its Environment: Physical And Biophysical Processes (WAEC)

Blood Transfusion

The Cell And Its Environment: Physical And Biophysical Processes

Tazama Jibu

Swali 47 Ripoti

Which of the following statements is NOT true of insectivorous plants?

They obtain part of their food by trapping and feeding on insects

They attract insects simply because of pollination

Thay can grow in soils poor in nitrogenous salts

They can supplement their nitrgen supply by feeding on insects

Example include butterworts, sundews and pitcher plants

Maelezo ya Majibu

Soma maelezo ya somo kwenye Plant Nutrition (WAEC)

Plant Nutrition

Tazama Jibu

Swali 48 Ripoti

28 g soil sample was heated to a constant weight of 24 g. When further heated to red hot and cooled, it weighed 18 g. What is the percentage of humus in the soil?

22.2

55.6

75.0

25.0

35.7

Maelezo ya Majibu

Tazama Jibu

Swali 49 Ripoti

Which of the following statements is NOT true of mammalian erythrocytes?

They have haemoglobin

they appear yellow when looked at singly

They are disc shaped