JAMB UTME - Biology - 1986

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 Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Heredity (JAMB)

Heredity

Lee Azịza

Ajụjụ 31 Ripọtì

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 Azịza ziri ezi

Akọwa Nkọwa

Lee Azịza

Ajụjụ 32 Ripọtì

The main organic substances found in the human body are

carbohydrates, proteins and salts

salts, fats and proteins

fat, carbohydrates and protein Azịza ziri ezi

salts, fats and carbohydrates

Akọwa Nkọwa

Lee Azịza

Ajụjụ 33 Ripọtì

The main function of the structure labelled 2 is to

protect the inner parts of the seed

nourish the embryo and the growing plan Azịza ziri ezi

keep the inner parts moist

maintain the shape if the seed

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Nutrition (JAMB)

Nutrition

Lee Azịza

Ajụjụ 34 Ripọtì

Which of the following elements is essential for the formation of haemoglobin?

Sodium

Potassium

Calcium

Iron Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na DNA Structure And Replication, RNA Transcription (WAEC)

DNA Structure And Replication, RNA Transcription

Lee Azịza

Ajụjụ 35 Ripọtì

Which of the following is NOT true of spirogyra?

Reproduces by conjugation

Reproduces by fragmentation

Consist of branched filaments Azịza ziri ezi

Consist of unbranched filaments

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Forms In Which Living Cells Exist (WAEC)

Forms In Which Living Cells Exist

Lee Azịza

Ajụjụ 36 Ripọtì

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

intercostal muscles contract

diaphragm is raised Azịza ziri ezi

ribs are raised

Pressure of the thoracic cavity decreases

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Respiratory System (WAEC)

Respiratory System

Lee Azịza

Ajụjụ 37 Ripọtì

The severe deficiency of vitamin C leads to

Kwashiokor

beriberi

pellagra

scurvy Azịza ziri ezi

Akọwa Nkọwa

Lee Azịza

Ajụjụ 38 Ripọtì

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

Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Nutrition (JAMB)

Nutrition

Lee Azịza

Ajụjụ 39 Ripọtì

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 Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Movement Of Substances Into And Out Of Cells (WAEC)

Gụọ akwụkwọ nkuzi na Cellular Respiration (WAEC)

Movement Of Substances Into And Out Of Cells

Cellular Respiration

Lee Azịza

Ajụjụ 40 Ripọtì

In an agricultural ecosystem, the biotic component consists of

crop, pest and beneficial insects Azịza ziri ezi

crops, temperature and humidity

pests, beneficial insects and water

crops, water and soil

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Ecology Of Population (WAEC)

Gụọ akwụkwọ nkuzi na Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

Gụọ akwụkwọ nkuzi na Soil (WAEC)

Ecology Of Population

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

Soil

Lee Azịza

Ajụjụ 41 Ripọtì

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

Rainfall, temperature and light Azịza ziri ezi

Salinity, rainfall and altitude

Tides, wind, rainfall and altitude

pH, salinity, rainfall and humidity.

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Ecological Factors (WAEC)

Gụọ akwụkwọ nkuzi na Ecosystem (WAEC)

Ecological Factors

Ecosystem

Lee Azịza

Ajụjụ 42 Ripọtì

Fishes are cold blooded because their body temperature is

constantly low

constantly high

dependent on that of their surroundings Azịza ziri ezi

regulated at will

Akọwa Nkọwa

Lee Azịza

Ajụjụ 43 Ripọtì

The structure labelled 1 is the

plumule

radicle

cell membrane

seed coat Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Cell Structure (WAEC)

Gụọ akwụkwọ nkuzi na Internal Structure Of A Flowering Plant (JAMB)

Cell Structure

Internal Structure Of A Flowering Plant

Lee Azịza

Ajụjụ 44 Ripọtì

Which of these animals is radially symmetrical?

squid

Hydra Azịza ziri ezi

Snail

Cockroach

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Organization Of Life (WAEC)

Organization Of Life

Lee Azịza

Ajụjụ 45 Ripọtì

Gestation in mammals is the period

required for growth after birth

between the formation of the foetus and birth Azịza ziri ezi

of development from zygote to birth

before the formation of the zygote

Akọwa Nkọwa

Lee Azịza

Ajụjụ 46 Ripọtì

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 Azịza ziri ezi

some adult workers which are specially fed breed

developing nymphs nurtured as secondary reproductives

Akọwa Nkọwa

Lee Azịza

Ajụjụ 47 Ripọtì

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 Azịza ziri ezi

loamy

clay

humus

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Transport (WAEC)

Gụọ akwụkwọ nkuzi na Animal Nutrition (WAEC)

Gụọ akwụkwọ nkuzi na Soil (WAEC)

Transport

Animal Nutrition

Soil

Lee Azịza