JAMB UTME - Biology - 1983 | Green Bridge CBT

Question 1 Rapport

which of these worms is beneficial to man?

Hookworm

Tapeworm

Roundworm

Earthworm Bonne réponse

Guinea worm

Détails de la réponse

Lisez la note de cours sur Plant Nutrition (WAEC)

Plant Nutrition

Voir la réponse

Question 2 Rapport

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

have no definite shape

lack nuclei

are smaller

contain chloroplast Bonne réponse

lack vacuole

Détails de la réponse

Lisez la note de cours sur Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Lisez la note de cours sur Natural Habitats (JAMB)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Natural Habitats

Voir la réponse

Question 3 Rapport

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

Rinderpest

Maize rust Bonne réponse

Newcastle diseases

Swine fever

Cassava mosaic diseases

Détails de la réponse

Lisez la note de cours sur Animal Nutrition (WAEC)

Lisez la note de cours sur Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

Lisez la note de cours sur Microorganisms Around Us (WAEC)

Animal Nutrition

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

Microorganisms Around Us

Voir la réponse

Question 4 Rapport

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 Bonne réponse

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

Détails de la réponse

Lisez la note de cours sur Plant Nutrition (WAEC)

Plant Nutrition

Voir la réponse

Question 5 Rapport

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 Bonne réponse

1 tall : 1 short

4 short : 0 tall

4 tall : 0 short

Détails de la réponse

Lisez la note de cours sur Genetic Terminologies (WAEC)

Genetic Terminologies

Voir la réponse

Question 6 Rapport

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

Multipe fruit

Simple fruit

Aggregrate fruit Bonne réponse

Dehiscent fruit

Indehiscent fruit

Détails de la réponse

Voir la réponse

Question 7 Rapport

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

xylem fibres Bonne réponse

medullary rays

sieve tubes

phloem fibres

phloem parenchyma

Détails de la réponse

Lisez la note de cours sur Transport System (WAEC)

Lisez la note de cours sur Classification (WAEC)

Transport System

Classification

Voir la réponse

Question 8 Rapport

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 Bonne réponse

Has a bark over its stored food

Détails de la réponse

Voir la réponse

Question 9 Rapport

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

a protein

a cabohydrate Bonne réponse

a fat

a fatty acid and glycerol

an amino acid

Détails de la réponse

Lisez la note de cours sur Modes Of Nutrition (WAEC)

Lisez la note de cours sur DNA Structure And Replication, RNA Transcription (WAEC)

Modes Of Nutrition

DNA Structure And Replication, RNA Transcription

Voir la réponse

Question 10 Rapport

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

Pre-anal pads

Eardrum

Gular fold

Nasal scale

Nuchal crest Bonne réponse

Détails de la réponse

Voir la réponse

Question 11 Rapport

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

Bonne réponse

Similar organism eating the same food

Different organisms in the same habitat

Détails de la réponse

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.

Lisez la note de cours sur Co-ordination And Control (JAMB)

Co-ordination And Control

Voir la réponse

Question 12 Rapport

Urea is produced in the

Liver Bonne réponse

Bladder

Spleen

Kidneys

Gall bladder

Détails de la réponse

Lisez la note de cours sur Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Excretory Systems And Mechanisms; Types Of Excretory Systems

Voir la réponse

Question 13 Rapport

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 Bonne réponse

55.6

75.0

25.0

35.7

Détails de la réponse

Voir la réponse

Question 14 Rapport

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 Bonne réponse

Détails de la réponse

Lisez la note de cours sur Modes Of Nutrition (WAEC)

Lisez la note de cours sur Growth (JAMB)

Modes Of Nutrition

Growth

Voir la réponse

Question 15 Rapport

‘Jointed skeleton’ is absent in the

Cockroach

Spider

Millipede

Snail Bonne réponse

Dragon fly

Détails de la réponse

Voir la réponse

Question 16 Rapport

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 Bonne réponse

Détails de la réponse

Lisez la note de cours sur Food Webs And Trophic Levels (WAEC)

Food Webs And Trophic Levels

Voir la réponse

Question 17 Rapport

In rhizopus carbohydrate is stored in the form of

Glucose

Paramylon

Glycogen Bonne réponse

Starch

Oil

Détails de la réponse

Voir la réponse

Question 18 Rapport

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 Bonne réponse

Dependent on air movement

Affected by availability of water

Détails de la réponse

Lisez la note de cours sur Transport System (WAEC)

Lisez la note de cours sur Relevance Of Biology To Agriculture (WAEC)

Transport System

Relevance Of Biology To Agriculture

Voir la réponse

Question 19 Rapport

The main function of 6 is to?

Separate 5 from 7

Produce more of 5 and 7

Bonne réponse

Produce Cork

Translocate water and mineral salt

Conduct carbon dioxide to the other parts

Détails de la réponse

Lisez la note de cours sur Transport System (WAEC)

Lisez la note de cours sur Cell Structure (WAEC)

Transport System

Cell Structure

Voir la réponse

Question 20 Rapport

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

medulla oblongata

olfactory lobe

cerebellum Bonne réponse

cerebrum

frontal lobe

Détails de la réponse

Lisez la note de cours sur Nervous Coordination (WAEC)

Nervous Coordination

Voir la réponse

Question 21 Rapport

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 Bonne réponse

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

Détails de la réponse

Voir la réponse

Question 22 Rapport

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 Bonne réponse

sheep

Détails de la réponse

Lisez la note de cours sur Physiological Variations (WAEC)

Physiological Variations

Voir la réponse

Question 23 Rapport

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

Bonne réponse

die due to excess water

Détails de la réponse

Lisez la note de cours sur Cell Structure (WAEC)

Lisez la note de cours sur The Cell And Its Environment: Physical And Biophysical Processes (WAEC)

Cell Structure

The Cell And Its Environment: Physical And Biophysical Processes

Voir la réponse

Question 24 Rapport

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 Bonne réponse

Détails de la réponse

Voir la réponse

Question 25 Rapport

An organism having one pair of identical genes is

a heterozygote

a hybride

an allelomorph

a homozygote Bonne réponse

a diploid

Détails de la réponse

Lisez la note de cours sur Behavioural Adaptations In Social Animals (WAEC)

Lisez la note de cours sur Heredity (JAMB)

Behavioural Adaptations In Social Animals

Heredity

Voir la réponse

Question 26 Rapport

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

Thermometer

secchi disc Bonne réponse

rain guage

Hydrometer

Wind vane

Détails de la réponse

Lisez la note de cours sur Transport System (WAEC)

Transport System

Voir la réponse

Question 27 Rapport

A centipede differs from a millipede by its

colour

numerous abdominal segment

paired legs on each abdominal segment

poison claws Bonne réponse

cylindrical body

Détails de la réponse

Lisez la note de cours sur Animal Nutrition (WAEC)

Animal Nutrition

Voir la réponse

Question 28 Rapport

Which of the following will not allow osmosis to take place

pig's bladder

cellophane

parchment paper

transparent polythene Bonne réponse

cow's bladder

Détails de la réponse

Lisez la note de cours sur Blood Transfusion (WAEC)

Lisez la note de cours sur The Cell And Its Environment: Physical And Biophysical Processes (WAEC)

Blood Transfusion

The Cell And Its Environment: Physical And Biophysical Processes

Voir la réponse

Question 29 Rapport

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 Bonne réponse

Becomes turgid

Détails de la réponse

Lisez la note de cours sur Nucleic Acids (WAEC)

Lisez la note de cours sur Cell Structure (WAEC)

Nucleic Acids

Cell Structure

Voir la réponse

Question 30 Rapport

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

Bonne réponse

Détails de la réponse

Voir la réponse

Question 31 Rapport

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

Occurrence of secondary thickening Bonne réponse

Parallel venation

Scattered vascular bundles

Floral parts arranged in threes

Perianth is usually insignificant

Détails de la réponse

Lisez la note de cours sur Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Voir la réponse

Question 32 Rapport

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

it is harvested from inside the ground

pericarp is not hard and tough Bonne réponse

the fruit is not as hard as coconut

the fruit is not succulent

it is an achene

Détails de la réponse

Lisez la note de cours sur Classification (WAEC)

Lisez la note de cours sur Physiological Variations (WAEC)

Classification

Physiological Variations

Voir la réponse

Question 33 Rapport

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

keep the composition of the plasma constant

regulate osmotic processes Bonne réponse

control the volume of blood entering the kidneys

decrease the osmotic pressure of the blood

increase the osmotic pressure of blood

Détails de la réponse

Voir la réponse

Question 34 Rapport

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

magnesium and iron Bonne réponse

Calcium and potassium

Calcium and sulphur

Potasium and sulphur

Phosphorus and potassium

Détails de la réponse

Lisez la note de cours sur Population Studies By Sampling (WAEC)

Lisez la note de cours sur Nucleic Acids (WAEC)

Population Studies By Sampling

Nucleic Acids

Voir la réponse

Question 35 Rapport

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 Bonne réponse

Détails de la réponse

Lisez la note de cours sur Evolution (Theories and Evidence) (WAEC)

Evolution (Theories and Evidence)

Voir la réponse

Question 36 Rapport

In the onion bulb, food is stored in the

stem

lateral buds

cotyledons

outer scale leave

leaf base Bonne réponse

Détails de la réponse

Lisez la note de cours sur Nutrition (JAMB)

Lisez la note de cours sur Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Nutrition

Morphology Of Monocotyledonous And Dicotyledonous Plants

Voir la réponse

Question 37 Rapport

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

bryophytes

mesophytes

xerophytes Bonne réponse

hydrophytes

pteridophytes

Détails de la réponse

Lisez la note de cours sur Blood Transfusion (WAEC)

Lisez la note de cours sur Soil (WAEC)

Lisez la note de cours sur Co-ordination And Control (JAMB)

Blood Transfusion

Soil

Co-ordination And Control

Voir la réponse

Question 38 Rapport

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 Bonne réponse

absence of auxins in the coleoptile

Détails de la réponse

Lisez la note de cours sur Protein Synthesis (WAEC)

Lisez la note de cours sur Nucleic Acids (WAEC)

Protein Synthesis

Nucleic Acids

Voir la réponse

Question 39 Rapport

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 Bonne réponse

21345

53412

54321

Détails de la réponse

Lisez la note de cours sur Soil (WAEC)

Soil

Voir la réponse

Question 40 Rapport

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 Bonne réponse

atlas, thoracic, cervical, axis and lumber

Détails de la réponse

Lisez la note de cours sur Organization Of Life (WAEC)

Organization Of Life

Voir la réponse

Question 41 Rapport

Banana, plantain and pineapple can be grouped together because they

produce small seeds

are multiple fruit

produce suckers Bonne réponse

have runners

have bulbils

Détails de la réponse

Lisez la note de cours sur Crime Detection (WAEC)

Crime Detection

Voir la réponse

Question 42 Rapport

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 Bonne réponse

Détails de la réponse

Lisez la note de cours sur Classification (WAEC)

Lisez la note de cours sur Blood Transfusion (WAEC)

Lisez la note de cours sur Support And Movement (JAMB)

Classification

Blood Transfusion

Support And Movement

Voir la réponse

Question 43 Rapport

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

taxism

tropism

hyptotropic movement

nastic movement Bonne réponse

phototropism

Détails de la réponse

Voir la réponse

Question 44 Rapport

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

Position of 7

Bonne réponse

Its circular nature

Number of 5

Presence of 3

Width of 2

Détails de la réponse

Voir la réponse

Question 45 Rapport

Which of the following substance is not found in urine?

Water

Sodium chloride

Nitrogenous compounds

Calcium chloride Bonne réponse

Nitrogenous salts

Détails de la réponse

Lisez la note de cours sur Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Lisez la note de cours sur Application Of The Principles Of Heredity (WAEC)

Lisez la note de cours sur The Ecology Of Populations (JAMB)

Excretory Systems And Mechanisms; Types Of Excretory Systems

Application Of The Principles Of Heredity

The Ecology Of Populations

Voir la réponse

Question 46 Rapport

Root hairs are developed from the

root apex

epidermis of root Bonne réponse

vascular bundles

endodermis

pericycle

Détails de la réponse

Lisez la note de cours sur Structural Adaptation For Survival (WAEC)

Lisez la note de cours sur Tissues And Supporting Systems: (WAEC)

Lisez la note de cours sur Cell Structure (WAEC)

Structural Adaptation For Survival

Tissues And Supporting Systems:

Cell Structure

Voir la réponse

Question 47 Rapport

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

Transmission of vibrations Bonne réponse

Regulation of pressure

Support of the inner ear

Maintenance of balance during motion

Secretion of oil

Détails de la réponse

Lisez la note de cours sur Cell Structure (WAEC)

Cell Structure

Voir la réponse

Question 48 Rapport

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

Malaria

Syphilis

Onchocerciasis Bonne réponse

Cholera

Poliomyelitis

Détails de la réponse

Lisez la note de cours sur Humans And Environment (JAMB)

Lisez la note de cours sur Plant Nutrition (WAEC)

Humans And Environment

Plant Nutrition

Voir la réponse

Question 49 Rapport

Herbs differ from shrubs because they

do not produce fruit

are useful to herbalist

do not become woody Bonne réponse

are only annual

are only perennials

Détails de la réponse

Lisez la note de cours sur Forms In Which Living Cells Exist (WAEC)

Forms In Which Living Cells Exist

Voir la réponse

Question 50 Rapport

One disease NOT caused directly by bacteria is

malaria Bonne réponse

tuberculosis

pneumonia

tetanus

cholera

Détails de la réponse

Lisez la note de cours sur Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

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

Voir la réponse






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