JAMB UTME - Biology - 1983 | Green Bridge CBT

Question 1 Report

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

Transmission of vibrations Correct answer

Regulation of pressure

Support of the inner ear

Maintenance of balance during motion

Secretion of oil

Answer Details

Read lesson note on Cell Structure (WAEC)

Cell Structure

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Question 2 Report

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 Correct answer

1 tall : 1 short

4 short : 0 tall

4 tall : 0 short

Answer Details

Read lesson note on Genetic Terminologies (WAEC)

Genetic Terminologies

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Question 3 Report

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

Correct answer

Similar organism eating the same food

Different organisms in the same habitat

Answer Details

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.

Read lesson note on Co-ordination And Control (JAMB)

Co-ordination And Control

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Question 4 Report

Urea is produced in the

Liver Correct answer

Bladder

Spleen

Kidneys

Gall bladder

Answer Details

Read lesson note on Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Excretory Systems And Mechanisms; Types Of Excretory Systems

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Question 5 Report

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

keep the composition of the plasma constant

regulate osmotic processes Correct answer

control the volume of blood entering the kidneys

decrease the osmotic pressure of the blood

increase the osmotic pressure of blood

Answer Details

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Question 6 Report

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

bryophytes

mesophytes

xerophytes Correct answer

hydrophytes

pteridophytes

Answer Details

Read lesson note on Blood Transfusion (WAEC)

Read lesson note on Soil (WAEC)

Read lesson note on Co-ordination And Control (JAMB)

Blood Transfusion

Soil

Co-ordination And Control

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Question 7 Report

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

have no definite shape

lack nuclei

are smaller

contain chloroplast Correct answer

lack vacuole

Answer Details

Read lesson note on Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Read lesson note on Natural Habitats (JAMB)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Natural Habitats

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Question 8 Report

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 Correct answer

sheep

Answer Details

Read lesson note on Physiological Variations (WAEC)

Physiological Variations

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Question 9 Report

Banana, plantain and pineapple can be grouped together because they

produce small seeds

are multiple fruit

produce suckers Correct answer

have runners

have bulbils

Answer Details

Read lesson note on Crime Detection (WAEC)

Crime Detection

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Question 10 Report

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 Correct answer

Answer Details

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Question 11 Report

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

Position of 7

Correct answer

Its circular nature

Number of 5

Presence of 3

Width of 2

Answer Details

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Question 12 Report

Which of the following substance is not found in urine?

Water

Sodium chloride

Nitrogenous compounds

Calcium chloride Correct answer

Nitrogenous salts

Answer Details

Read lesson note on Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Read lesson note on Application Of The Principles Of Heredity (WAEC)

Read lesson note on The Ecology Of Populations (JAMB)

Excretory Systems And Mechanisms; Types Of Excretory Systems

Application Of The Principles Of Heredity

The Ecology Of Populations

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Question 13 Report

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

a protein

a cabohydrate Correct answer

a fat

a fatty acid and glycerol

an amino acid

Answer Details

Read lesson note on Modes Of Nutrition (WAEC)

Read lesson note on DNA Structure And Replication, RNA Transcription (WAEC)

Modes Of Nutrition

DNA Structure And Replication, RNA Transcription

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Question 14 Report

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 Correct answer

Answer Details

Read lesson note on Food Webs And Trophic Levels (WAEC)

Food Webs And Trophic Levels

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Question 15 Report

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 Correct answer

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

Answer Details

Read lesson note on Plant Nutrition (WAEC)

Plant Nutrition

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Question 16 Report

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 Correct answer

21345

53412

54321

Answer Details

Read lesson note on Soil (WAEC)

Soil

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Question 17 Report

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

The cell are more numerous than leucocytes

They have nuclei at maturity Correct answer

Answer Details

Read lesson note on Classification (WAEC)

Read lesson note on Blood Transfusion (WAEC)

Read lesson note on Support And Movement (JAMB)

Classification

Blood Transfusion

Support And Movement

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Question 18 Report

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

Correct answer

die due to excess water

Answer Details

Read lesson note on Cell Structure (WAEC)

Read lesson note on The Cell And Its Environment: Physical And Biophysical Processes (WAEC)

Cell Structure

The Cell And Its Environment: Physical And Biophysical Processes

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Question 19 Report

‘Jointed skeleton’ is absent in the

Cockroach

Spider

Millipede

Snail Correct answer

Dragon fly

Answer Details

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Question 20 Report

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

it is harvested from inside the ground

pericarp is not hard and tough Correct answer

the fruit is not as hard as coconut

the fruit is not succulent

it is an achene

Answer Details

Read lesson note on Classification (WAEC)

Read lesson note on Physiological Variations (WAEC)

Classification

Physiological Variations

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Question 21 Report

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

xylem fibres Correct answer

medullary rays

sieve tubes

phloem fibres

phloem parenchyma

Answer Details

Read lesson note on Transport System (WAEC)

Read lesson note on Classification (WAEC)

Transport System

Classification

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Question 22 Report

In the onion bulb, food is stored in the

stem

lateral buds

cotyledons

outer scale leave

leaf base Correct answer

Answer Details

Read lesson note on Nutrition (JAMB)

Read lesson note on Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Nutrition

Morphology Of Monocotyledonous And Dicotyledonous Plants

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Question 23 Report

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 Correct answer

Answer Details

Read lesson note on Evolution (Theories and Evidence) (WAEC)

Evolution (Theories and Evidence)

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Question 24 Report

A centipede differs from a millipede by its

colour

numerous abdominal segment

paired legs on each abdominal segment

poison claws Correct answer

cylindrical body

Answer Details

Read lesson note on Animal Nutrition (WAEC)

Animal Nutrition

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Question 25 Report

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

Pre-anal pads

Eardrum

Gular fold

Nasal scale

Nuchal crest Correct answer

Answer Details

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Question 26 Report

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

medulla oblongata

olfactory lobe

cerebellum Correct answer

cerebrum

frontal lobe

Answer Details

Read lesson note on Nervous Coordination (WAEC)

Nervous Coordination

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Question 27 Report

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 Correct answer

Answer Details

Read lesson note on Modes Of Nutrition (WAEC)

Read lesson note on Growth (JAMB)

Modes Of Nutrition

Growth

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Question 28 Report

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

magnesium and iron Correct answer

Calcium and potassium

Calcium and sulphur

Potasium and sulphur

Phosphorus and potassium

Answer Details

Read lesson note on Population Studies By Sampling (WAEC)

Read lesson note on Nucleic Acids (WAEC)

Population Studies By Sampling

Nucleic Acids

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Question 29 Report

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 Correct answer

Has a bark over its stored food

Answer Details

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Question 30 Report

which of these worms is beneficial to man?

Hookworm

Tapeworm

Roundworm

Earthworm Correct answer

Guinea worm

Answer Details

Read lesson note on Plant Nutrition (WAEC)

Plant Nutrition

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Question 31 Report

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

Thermometer

secchi disc Correct answer

rain guage

Hydrometer

Wind vane

Answer Details

Read lesson note on Transport System (WAEC)

Transport System

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Question 32 Report

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

Multipe fruit

Simple fruit

Aggregrate fruit Correct answer

Dehiscent fruit

Indehiscent fruit

Answer Details

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Question 33 Report

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

Occurrence of secondary thickening Correct answer

Parallel venation

Scattered vascular bundles

Floral parts arranged in threes

Perianth is usually insignificant

Answer Details

Read lesson note on Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Morphology Of Monocotyledonous And Dicotyledonous Plants

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Question 34 Report

Root hairs are developed from the

root apex

epidermis of root Correct answer

vascular bundles

endodermis

pericycle

Answer Details

Read lesson note on Structural Adaptation For Survival (WAEC)

Read lesson note on Tissues And Supporting Systems: (WAEC)

Read lesson note on Cell Structure (WAEC)

Structural Adaptation For Survival

Tissues And Supporting Systems:

Cell Structure

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Question 35 Report

In rhizopus carbohydrate is stored in the form of

Glucose

Paramylon

Glycogen Correct answer

Starch

Oil

Answer Details

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Question 36 Report

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 Correct answer

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

Answer Details

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Question 37 Report

One disease NOT caused directly by bacteria is

malaria Correct answer

tuberculosis

pneumonia

tetanus

cholera

Answer Details

Read lesson note on Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals

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Question 38 Report

The main function of 6 is to?

Separate 5 from 7

Produce more of 5 and 7

Correct answer

Produce Cork

Translocate water and mineral salt

Conduct carbon dioxide to the other parts

Answer Details

Read lesson note on Transport System (WAEC)

Read lesson note on Cell Structure (WAEC)

Transport System

Cell Structure

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Question 39 Report

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

Malaria

Syphilis

Onchocerciasis Correct answer

Cholera

Poliomyelitis

Answer Details

Read lesson note on Humans And Environment (JAMB)

Read lesson note on Plant Nutrition (WAEC)

Humans And Environment

Plant Nutrition

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Question 40 Report

An organism having one pair of identical genes is

a heterozygote

a hybride

an allelomorph

a homozygote Correct answer

a diploid

Answer Details

Read lesson note on Behavioural Adaptations In Social Animals (WAEC)

Read lesson note on Heredity (JAMB)

Behavioural Adaptations In Social Animals

Heredity

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Question 41 Report

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 Correct answer

atlas, thoracic, cervical, axis and lumber

Answer Details

Read lesson note on Organization Of Life (WAEC)

Organization Of Life

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Question 42 Report

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

taxism

tropism

hyptotropic movement

nastic movement Correct answer

phototropism

Answer Details

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Question 43 Report

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 Correct answer

Dependent on air movement

Affected by availability of water

Answer Details

Read lesson note on Transport System (WAEC)

Read lesson note on Relevance Of Biology To Agriculture (WAEC)

Transport System

Relevance Of Biology To Agriculture

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Question 44 Report

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

Rinderpest

Maize rust Correct answer

Newcastle diseases

Swine fever

Cassava mosaic diseases

Answer Details

Read lesson note on Animal Nutrition (WAEC)

Read lesson note on Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

Read lesson note on Microorganisms Around Us (WAEC)

Animal Nutrition

Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals

Microorganisms Around Us

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Question 45 Report

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 Correct answer

absence of auxins in the coleoptile

Answer Details

Read lesson note on Protein Synthesis (WAEC)

Read lesson note on Nucleic Acids (WAEC)

Protein Synthesis

Nucleic Acids

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Question 46 Report

Which of the following will not allow osmosis to take place

pig's bladder

cellophane

parchment paper

transparent polythene Correct answer

cow's bladder

Answer Details

Read lesson note on Blood Transfusion (WAEC)

Read lesson note on The Cell And Its Environment: Physical And Biophysical Processes (WAEC)

Blood Transfusion

The Cell And Its Environment: Physical And Biophysical Processes

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Question 47 Report

Herbs differ from shrubs because they

do not produce fruit

are useful to herbalist

do not become woody Correct answer

are only annual

are only perennials

Answer Details

Read lesson note on Forms In Which Living Cells Exist (WAEC)

Forms In Which Living Cells Exist

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Question 48 Report

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 Correct answer

55.6

75.0

25.0

35.7

Answer Details

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Question 49 Report

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