JAMB UTME - Biology - 1983 | Green Bridge CBT

Pregunta 1 Informe

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

Detalles de la respuesta

Lee la nota de la lección en Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Lee la nota de la lección en Natural Habitats (JAMB)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Natural Habitats

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Pregunta 2 Informe

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

Detalles de la respuesta

Lee la nota de la lección en Transport System (WAEC)

Lee la nota de la lección en Cell Structure (WAEC)

Transport System

Cell Structure

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Pregunta 3 Informe

A centipede differs from a millipede by its

colour

numerous abdominal segment

paired legs on each abdominal segment

poison claws

cylindrical body

Detalles de la respuesta

Lee la nota de la lección en Animal Nutrition (WAEC)

Animal Nutrition

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Pregunta 4 Informe

Which of the following will not allow osmosis to take place

pig's bladder

cellophane

parchment paper

transparent polythene

cow's bladder

Detalles de la respuesta

Lee la nota de la lección en Blood Transfusion (WAEC)

Lee la nota de la lección en 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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Pregunta 5 Informe

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

Detalles de la respuesta

Lee la nota de la lección en Classification (WAEC)

Lee la nota de la lección en Physiological Variations (WAEC)

Classification

Physiological Variations

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Pregunta 6 Informe

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

xylem fibres

medullary rays

sieve tubes

phloem fibres

phloem parenchyma

Detalles de la respuesta

Lee la nota de la lección en Transport System (WAEC)

Lee la nota de la lección en Classification (WAEC)

Transport System

Classification

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Pregunta 7 Informe

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

bryophytes

mesophytes

xerophytes

hydrophytes

pteridophytes

Detalles de la respuesta

Lee la nota de la lección en Blood Transfusion (WAEC)

Lee la nota de la lección en Soil (WAEC)

Lee la nota de la lección en Co-ordination And Control (JAMB)

Blood Transfusion

Soil

Co-ordination And Control

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Pregunta 8 Informe

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

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Pregunta 9 Informe

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

Pre-anal pads

Eardrum

Gular fold

Nasal scale

Nuchal crest

Detalles de la respuesta

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Pregunta 10 Informe

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

Detalles de la respuesta

Lee la nota de la lección en Plant Nutrition (WAEC)

Plant Nutrition

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Pregunta 11 Informe

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

Detalles de la respuesta

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.

Lee la nota de la lección en Co-ordination And Control (JAMB)

Co-ordination And Control

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Pregunta 12 Informe

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

Detalles de la respuesta

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Pregunta 13 Informe

‘Jointed skeleton’ is absent in the

Cockroach

Spider

Millipede

Snail

Dragon fly

Detalles de la respuesta

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Pregunta 14 Informe

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

Detalles de la respuesta

Lee la nota de la lección en Protein Synthesis (WAEC)

Lee la nota de la lección en Nucleic Acids (WAEC)

Protein Synthesis

Nucleic Acids

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Pregunta 15 Informe

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

Detalles de la respuesta

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Pregunta 16 Informe

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

Detalles de la respuesta

Lee la nota de la lección en Cell Structure (WAEC)

Lee la nota de la lección en 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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Pregunta 17 Informe

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

Detalles de la respuesta

Lee la nota de la lección en Nucleic Acids (WAEC)

Lee la nota de la lección en Cell Structure (WAEC)

Nucleic Acids

Cell Structure

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Pregunta 18 Informe

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

Malaria

Syphilis

Onchocerciasis

Cholera

Poliomyelitis

Detalles de la respuesta

Lee la nota de la lección en Humans And Environment (JAMB)

Lee la nota de la lección en Plant Nutrition (WAEC)

Humans And Environment

Plant Nutrition

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Pregunta 19 Informe

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

Detalles de la respuesta

Lee la nota de la lección en Soil (WAEC)

Soil

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Pregunta 20 Informe

In rhizopus carbohydrate is stored in the form of

Glucose

Paramylon

Glycogen

Starch

Oil

Detalles de la respuesta

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Pregunta 21 Informe

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

Detalles de la respuesta

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Pregunta 22 Informe

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

Detalles de la respuesta

Lee la nota de la lección en Transport System (WAEC)

Lee la nota de la lección en Relevance Of Biology To Agriculture (WAEC)

Transport System

Relevance Of Biology To Agriculture

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Pregunta 23 Informe

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

Detalles de la respuesta

Lee la nota de la lección en Cell Structure (WAEC)

Cell Structure

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Pregunta 24 Informe

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

Detalles de la respuesta

Lee la nota de la lección en Food Webs And Trophic Levels (WAEC)

Food Webs And Trophic Levels

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Pregunta 25 Informe

Herbs differ from shrubs because they

do not produce fruit

are useful to herbalist

do not become woody

are only annual

are only perennials

Detalles de la respuesta

Lee la nota de la lección en Forms In Which Living Cells Exist (WAEC)

Forms In Which Living Cells Exist

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Pregunta 26 Informe

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

Detalles de la respuesta

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Pregunta 27 Informe

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

taxism

tropism

hyptotropic movement

nastic movement

phototropism

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Pregunta 28 Informe

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

Detalles de la respuesta

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Pregunta 29 Informe

Banana, plantain and pineapple can be grouped together because they

produce small seeds

are multiple fruit

produce suckers

have runners

have bulbils

Detalles de la respuesta

Lee la nota de la lección en Crime Detection (WAEC)

Crime Detection

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Pregunta 30 Informe

Which of the following substance is not found in urine?

Water

Sodium chloride

Nitrogenous compounds

Calcium chloride

Nitrogenous salts

Detalles de la respuesta

Lee la nota de la lección en Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Lee la nota de la lección en Application Of The Principles Of Heredity (WAEC)

Lee la nota de la lección en 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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Pregunta 31 Informe

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

Rinderpest

Maize rust

Newcastle diseases

Swine fever

Cassava mosaic diseases

Detalles de la respuesta

Lee la nota de la lección en Animal Nutrition (WAEC)

Lee la nota de la lección en Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

Lee la nota de la lección en Microorganisms Around Us (WAEC)

Animal Nutrition

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

Microorganisms Around Us

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Pregunta 32 Informe

One disease NOT caused directly by bacteria is

malaria

tuberculosis

pneumonia

tetanus

cholera

Detalles de la respuesta

Lee la nota de la lección en 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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Pregunta 33 Informe

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

Detalles de la respuesta

Lee la nota de la lección en Population Studies By Sampling (WAEC)

Lee la nota de la lección en Nucleic Acids (WAEC)

Population Studies By Sampling

Nucleic Acids

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Pregunta 34 Informe

In the onion bulb, food is stored in the

stem

lateral buds

cotyledons

outer scale leave

leaf base

Detalles de la respuesta

Lee la nota de la lección en Nutrition (JAMB)

Lee la nota de la lección en Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Nutrition

Morphology Of Monocotyledonous And Dicotyledonous Plants

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Pregunta 35 Informe

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

Detalles de la respuesta

Lee la nota de la lección en Evolution (Theories and Evidence) (WAEC)

Evolution (Theories and Evidence)

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Pregunta 36 Informe

Urea is produced in the

Liver

Bladder

Spleen

Kidneys

Gall bladder

Detalles de la respuesta

Lee la nota de la lección en Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Excretory Systems And Mechanisms; Types Of Excretory Systems

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Pregunta 37 Informe

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

Detalles de la respuesta

Lee la nota de la lección en Modes Of Nutrition (WAEC)

Lee la nota de la lección en Growth (JAMB)

Modes Of Nutrition

Growth

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Pregunta 38 Informe

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

Detalles de la respuesta

Lee la nota de la lección en Physiological Variations (WAEC)

Physiological Variations

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Pregunta 39 Informe

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

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Pregunta 40 Informe

Root hairs are developed from the

root apex

epidermis of root

vascular bundles

endodermis

pericycle

Detalles de la respuesta

Lee la nota de la lección en Structural Adaptation For Survival (WAEC)

Lee la nota de la lección en Tissues And Supporting Systems: (WAEC)

Lee la nota de la lección en Cell Structure (WAEC)

Structural Adaptation For Survival

Tissues And Supporting Systems:

Cell Structure

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Pregunta 41 Informe

which of these worms is beneficial to man?

Hookworm

Tapeworm

Roundworm

Earthworm

Guinea worm

Detalles de la respuesta

Lee la nota de la lección en Plant Nutrition (WAEC)

Plant Nutrition

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Pregunta 42 Informe

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

Detalles de la respuesta

Lee la nota de la lección en Organization Of Life (WAEC)

Organization Of Life

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Pregunta 43 Informe

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

Multipe fruit

Simple fruit

Aggregrate fruit

Dehiscent fruit

Indehiscent fruit

Detalles de la respuesta

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Pregunta 44 Informe

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

Detalles de la respuesta

Lee la nota de la lección en Genetic Terminologies (WAEC)

Genetic Terminologies

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Pregunta 45 Informe

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

Detalles de la respuesta

Lee la nota de la lección en Modes Of Nutrition (WAEC)

Lee la nota de la lección en DNA Structure And Replication, RNA Transcription (WAEC)

Modes Of Nutrition

DNA Structure And Replication, RNA Transcription

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Pregunta 46 Informe

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

Thermometer

secchi disc

rain guage

Hydrometer

Wind vane

Detalles de la respuesta

Lee la nota de la lección en Transport System (WAEC)

Transport System

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Pregunta 47 Informe

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

medulla oblongata

olfactory lobe

cerebellum

cerebrum

frontal lobe

Detalles de la respuesta

Lee la nota de la lección en Nervous Coordination (WAEC)

Nervous Coordination

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Pregunta 48 Informe

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

Detalles de la respuesta

Lee la nota de la lección en Classification (WAEC)

Lee la nota de la lección en Blood Transfusion (WAEC)

Lee la nota de la lección en Support And Movement (JAMB)

Classification

Blood Transfusion

Support And Movement

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Pregunta 49 Informe

An organism having one pair of identical genes is

a heterozygote

a hybride

an allelomorph

a homozygote

a diploid

Detalles de la respuesta

Lee la nota de la lección en Behavioural Adaptations In Social Animals (WAEC)

Lee la nota de la lección en Heredity (JAMB)

Behavioural Adaptations In Social Animals

Heredity

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Pregunta 50 Informe

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

Detalles de la respuesta

Lee la nota de la lección en Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Morphology Of Monocotyledonous And Dicotyledonous Plants

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