JAMB UTME - Biology - 1986 | Green Bridge CBT

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 Correct answer

loamy

clay

humus

Answer Details

Read lesson note on Transport (WAEC)

Read lesson note on Animal Nutrition (WAEC)

Read lesson note on Soil (WAEC)

Transport

Animal Nutrition

Soil

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Question 24 Report

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

Rainfall, temperature and light Correct answer

Salinity, rainfall and altitude

Tides, wind, rainfall and altitude

pH, salinity, rainfall and humidity.

Answer Details

Read lesson note on Ecological Factors (WAEC)

Read lesson note on Ecosystem (WAEC)

Ecological Factors

Ecosystem

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Question 25 Report

Fishes are cold blooded because their body temperature is

constantly low

constantly high

dependent on that of their surroundings Correct answer

regulated at will

Answer Details

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Question 26 Report

The equation that can be used to summarize the process of anaerobic breakdown of sugar is

C2H12O6 2C2H5OH + 2CO2

6Co2 + 6H2O C6H12O6 + 6O2

C6H12O6 + 6O2 6CO2 + 6H2O + enegy

C6H12O6 2C2H5OH + 2CO2 + energy Correct answer

Answer Details

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

DNA Structure And Replication, RNA Transcription

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Question 27 Report

The fins making up the limbs of the bony fish are

caudal and ventral

ventra and pelvic

pelvic and pectoral Correct answer

pectoral and dorsal

Answer Details

Read lesson note on Ecosystem (WAEC)

Ecosystem

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Question 28 Report

If a person is bitten by a snake on the leg, it is advisable for him to

keep moving so that the venom will ooze out with bleeding

Wash the wound with water containing antiseptic

bandage the wound so that germs do not get in through it

Keep still and apply a tourniquet above the wound Correct answer

Answer Details

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Question 29 Report

The extract from food substance reacting with sodium hydroxide and copper sulphate solutions will produce violet to purple coloration if

fats are presents

carbohydrate is present

protein is present Correct answer

reducing sugar is presents

Answer Details

Read lesson note on Classification (WAEC)

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

Read lesson note on Alimentary System (WAEC)

Read lesson note on Reproduction (Physical Changes In Males And Females) (WAEC)

Classification

Morphology Of Monocotyledonous And Dicotyledonous Plants

Alimentary System

Reproduction (Physical Changes In Males And Females)

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Question 30 Report

Deamination occurs in the

kidney

pancreas

spleen

liver Correct answer

Answer Details

Read lesson note on Animal Nutrition (WAEC)

Read lesson note on Organization Of Life (WAEC)

Read lesson note on Blood Transfusion (WAEC)

Read lesson note on 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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Question 31 Report

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

Vane

rachis

barbules Correct answer

barbs

Answer Details

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Question 32 Report

Which of these disease CANNOT be prevented by immunization?

Poliomyelitis

Tuberculosis

Cholera

onchocerciasis Correct answer

Answer Details

Read lesson note on Properties And Functions Of The Living Cell (WAEC)

Properties And Functions Of The Living Cell

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Question 33 Report

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

Correct answer

Answer Details

Read lesson note on Nutrition (JAMB)

Nutrition

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Question 34 Report

Which of the following statement is NOT correct with respect to inhalation in mammals? The

intercostal muscles contract

diaphragm is raised Correct answer

ribs are raised

Pressure of the thoracic cavity decreases

Answer Details

Read lesson note on Respiratory System (WAEC)

Respiratory System

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Question 35 Report

Which of the following is an example of discontinuous variation?

skin colouration

left handedness Correct answer

body weight

Height

Answer Details

Read lesson note on Heredity (JAMB)

Heredity

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Question 36 Report

Incomplete metamorphosis occurs in the

butterfly

grasshopper Correct answer

mosquito

housefly

Answer Details

Read lesson note on Variety Of Organisms (JAMB)

Read lesson note on Biological Fuel Generation (WAEC)

Read lesson note on Physiological Variations (WAEC)

Variety Of Organisms

Biological Fuel Generation

Physiological Variations

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Question 37 Report

Gestation in mammals is the period

required for growth after birth

between the formation of the foetus and birth Correct answer

of development from zygote to birth

before the formation of the zygote

Answer Details

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Question 38 Report

In community, bacteria and fungi are referred to as

producers

decomposers Correct answer

scavengers

consumers

Answer Details

Read lesson note on Ecological Management: Tolerance, Minimum And Maximum (WAEC)

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

Read lesson note on Ecosystem (WAEC)

Ecological Management: Tolerance, Minimum And Maximum

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

Ecosystem

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Question 39 Report

Which of the following is NOT true of spirogyra?

Reproduces by conjugation

Reproduces by fragmentation

Consist of branched filaments Correct answer

Consist of unbranched filaments

Answer Details

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

Forms In Which Living Cells Exist

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Question 40 Report

The severe deficiency of vitamin C leads to

Kwashiokor

beriberi

pellagra

scurvy Correct answer

Answer Details

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Question 41 Report

The main function of the structure labelled 2 is to

protect the inner parts of the seed

nourish the embryo and the growing plan Correct answer

keep the inner parts moist

maintain the shape if the seed

Answer Details

Read lesson note on Nutrition (JAMB)

Nutrition

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Question 42 Report

The main organic substances found in the human body are

carbohydrates, proteins and salts

salts, fats and proteins

fat, carbohydrates and protein Correct answer

salts, fats and carbohydrates

Answer Details

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Question 43 Report

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 Correct answer

Answer Details

Read lesson note on Heredity (JAMB)

Heredity

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Question 44 Report

The three important organs that are situated close to the stomach are

Kidney, liver and gall bladder

pancreas, liver and kidney