JAMB UTME - Biology - 1986 | Green Bridge CBT

If a woman who is a carrier of sickle cell trait (AS) married a man who is a sickler (SS) and they had four children, how many of them would be normal?

Three

Two

One

None Richtige Antwort

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Lies die Unterrichtsnotiz zu Heredity (JAMB)

Heredity

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Frage 24 Bericht

When the original king and queen of termites die, they are replaced by

the king and queen of another colony

some adult reproductives from the same colony Richtige Antwort

some adult workers which are specially fed breed

developing nymphs nurtured as secondary reproductives

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Frage 25 Bericht

Oxygen liberated during photosynthesis has been demonstrated to come from

carbondioxide

air

water Richtige Antwort

chlorophyll

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Lies die Unterrichtsnotiz zu Properties And Functions Of The Living Cell (WAEC)

Properties And Functions Of The Living Cell

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Frage 26 Bericht

In an agricultural ecosystem, the biotic component consists of

crop, pest and beneficial insects Richtige Antwort

crops, temperature and humidity

pests, beneficial insects and water

crops, water and soil

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Lies die Unterrichtsnotiz zu Ecology Of Population (WAEC)

Lies die Unterrichtsnotiz zu Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

Lies die Unterrichtsnotiz zu Soil (WAEC)

Ecology Of Population

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

Soil

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Frage 27 Bericht

Which of the following is an example of discontinuous variation?

skin colouration

left handedness Richtige Antwort

body weight

Height

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Lies die Unterrichtsnotiz zu Heredity (JAMB)

Heredity

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Frage 28 Bericht

Which is the correct order of water loss from the leaf? 1 Mesophyll 2 Veins 3 Substomatals cavity 4 Stomata

3 → 2 → 1 → 4

2 → 3 → 1 → 4

2 → 1 → 3 → 4 Richtige Antwort

1 → 2 → 3 → 4

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Lies die Unterrichtsnotiz zu Transport System (WAEC)

Lies die Unterrichtsnotiz zu Transport (JAMB)

Lies die Unterrichtsnotiz zu Reproduction (JAMB)

Lies die Unterrichtsnotiz zu Cell Structure (WAEC)

Transport System

Transport

Reproduction

Cell Structure

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Frage 29 Bericht

In the mammalian skin, melanin and keratin are contained in the

sebaceous gland

sweat gland

subcubaneous layer

malpighian layer Richtige Antwort

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Lies die Unterrichtsnotiz zu Tissues And Supporting Systems: (WAEC)

Tissues And Supporting Systems:

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Frage 30 Bericht

The male cockroach differs from the female by having

mandibles

a pair of style Richtige Antwort

spiracles

a pair of cerci

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Lies die Unterrichtsnotiz zu Heredity (JAMB)

Heredity

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Frage 31 Bericht

Which of the following pairs are fully adapted to terrestrial life?

Ferns and algae

Ferns and mosses

Bryophytes and flowering plants

Flowering plants and conifers Richtige Antwort

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Frage 32 Bericht

Evidence that a tooth is a living part of the mammalian can be found within the

gum

pulp cavity Richtige Antwort

cement

enarmel

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Lies die Unterrichtsnotiz zu Cell Structure (WAEC)

Cell Structure

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Frage 33 Bericht

A larger percentage of tropical soils tends to be acidic because they

contain large quantities of potash

contain large quantities of lime

lose a high proportion of their organic matter to running water

lose lime and potash from the top soil through rain action Richtige Antwort

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Frage 34 Bericht

The main organic substances found in the human body are

carbohydrates, proteins and salts

salts, fats and proteins

fat, carbohydrates and protein Richtige Antwort

salts, fats and carbohydrates

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Frage 35 Bericht

Nastic movement is

response to light stimulus

non-directional Richtige Antwort

directional

response to internal stimulus

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Lies die Unterrichtsnotiz zu Protein Synthesis (WAEC)

Lies die Unterrichtsnotiz zu Movement (WAEC)

Protein Synthesis

Movement

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Frage 36 Bericht

Gestation in mammals is the period

required for growth after birth

between the formation of the foetus and birth Richtige Antwort

of development from zygote to birth

before the formation of the zygote

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Frage 37 Bericht

Deamination occurs in the

kidney

pancreas

spleen

liver Richtige Antwort

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Lies die Unterrichtsnotiz zu Animal Nutrition (WAEC)

Lies die Unterrichtsnotiz zu Organization Of Life (WAEC)

Lies die Unterrichtsnotiz zu Blood Transfusion (WAEC)

Lies die Unterrichtsnotiz zu Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Animal Nutrition

Organization Of Life

Blood Transfusion

Excretory Systems And Mechanisms; Types Of Excretory Systems

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Frage 38 Bericht

Incomplete metamorphosis occurs in the

butterfly

grasshopper Richtige Antwort

mosquito

housefly

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Lies die Unterrichtsnotiz zu Variety Of Organisms (JAMB)

Lies die Unterrichtsnotiz zu Biological Fuel Generation (WAEC)

Lies die Unterrichtsnotiz zu Physiological Variations (WAEC)

Variety Of Organisms

Biological Fuel Generation

Physiological Variations

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Frage 39 Bericht

Which of the labelled parts will develop into a new maize plant?

Richtige Antwort

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Lies die Unterrichtsnotiz zu Nutrition (JAMB)

Nutrition

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Frage 40 Bericht

The fins making up the limbs of the bony fish are

caudal and ventral

ventra and pelvic

pelvic and pectoral Richtige Antwort

pectoral and dorsal

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Lies die Unterrichtsnotiz zu Ecosystem (WAEC)

Ecosystem

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Frage 41 Bericht

Which of these disease CANNOT be prevented by immunization?

Poliomyelitis

Tuberculosis

Cholera

onchocerciasis Richtige Antwort

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Lies die Unterrichtsnotiz zu Properties And Functions Of The Living Cell (WAEC)

Properties And Functions Of The Living Cell

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Frage 42 Bericht

For effective functioning of a bird's quill feather, hooks fit on the ridge of the

Vane

rachis

barbules Richtige Antwort

barbs

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Frage 43 Bericht

A major limitation in the use of the potometer for measuring the rate of transpiration is that

it is made of breakable glass materials

it measures the rate of water intake

it measure the rate of water loss throuh the stern only

the movement of the air buble in the potometer cannot be timed accurately Richtige Antwort

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Lies die Unterrichtsnotiz zu Movement Of Substances Into And Out Of Cells (WAEC)

Lies die Unterrichtsnotiz zu Cellular Respiration (WAEC)

Movement Of Substances Into And Out Of Cells

Cellular Respiration

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Frage 44 Bericht

Which of the following ecological factors are common to both terrestrial and aquatic habitats?

Rainfall, temperature and light Richtige Antwort

Salinity, rainfall and altitude

Tides, wind, rainfall and altitude

pH, salinity, rainfall and humidity.

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Lies die Unterrichtsnotiz zu Ecological Factors (WAEC)

Lies die Unterrichtsnotiz zu Ecosystem (WAEC)

Ecological Factors

Ecosystem

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Frage 45 Bericht

Fishes are cold blooded because their body temperature is

constantly low

constantly high

dependent on that of their surroundings Richtige Antwort

regulated at will

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Frage 46 Bericht

The swollen shoot disease of cocoa tree is caused by a

virus Richtige Antwort

fungus

bacterium

protozoan

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Lies die Unterrichtsnotiz zu 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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Frage 47 Bericht

The following are methods of soil conservation EXCEPT

contour terracing

strip cropping

contour ploughing

mixed grazing Richtige Antwort

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Lies die Unterrichtsnotiz zu 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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Frage 48 Bericht

Sample of different soil types are packed in glass tubes whose lower ends are plugged with cotton wool, if these tubes are suspended in a trough of water, water will rise highest after a few hours in

sand Richtige Antwort

loamy

clay

humus

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Lies die Unterrichtsnotiz zu Transport (WAEC)

Lies die Unterrichtsnotiz zu Animal Nutrition (WAEC)

Lies die Unterrichtsnotiz zu Soil (WAEC)

Transport

Animal Nutrition

Soil

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