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 Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Heredity (JAMB)

Heredity

Tazama Jibu

Swali 25 Ripoti

Which of these disease CANNOT be prevented by immunization?

Poliomyelitis

Tuberculosis

Cholera

onchocerciasis Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Properties And Functions Of The Living Cell (WAEC)

Properties And Functions Of The Living Cell

Tazama Jibu

Swali 26 Ripoti

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

Sodium

Potassium

Calcium

Iron Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye DNA Structure And Replication, RNA Transcription (WAEC)

DNA Structure And Replication, RNA Transcription

Tazama Jibu

Swali 27 Ripoti

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 Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Movement Of Substances Into And Out Of Cells (WAEC)

Soma maelezo ya somo kwenye Cellular Respiration (WAEC)

Movement Of Substances Into And Out Of Cells

Cellular Respiration

Tazama Jibu

Swali 28 Ripoti

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 Jibu sahihi

reducing sugar is presents

Maelezo ya Majibu

Soma maelezo ya somo kwenye Classification (WAEC)

Soma maelezo ya somo kwenye Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Soma maelezo ya somo kwenye Alimentary System (WAEC)

Soma maelezo ya somo kwenye Reproduction (Physical Changes In Males And Females) (WAEC)

Classification

Morphology Of Monocotyledonous And Dicotyledonous Plants

Alimentary System

Reproduction (Physical Changes In Males And Females)

Tazama Jibu

Swali 29 Ripoti

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

gum

pulp cavity Jibu sahihi

cement

enarmel

Maelezo ya Majibu

Soma maelezo ya somo kwenye Cell Structure (WAEC)

Cell Structure

Tazama Jibu

Swali 30 Ripoti

The main function of the structure labelled 2 is to

protect the inner parts of the seed

nourish the embryo and the growing plan Jibu sahihi

keep the inner parts moist

maintain the shape if the seed

Maelezo ya Majibu

Soma maelezo ya somo kwenye Nutrition (JAMB)

Nutrition

Tazama Jibu

Swali 31 Ripoti

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 Jibu sahihi

Maelezo ya Majibu

Tazama Jibu

Swali 32 Ripoti

Fishes are cold blooded because their body temperature is

constantly low

constantly high

dependent on that of their surroundings Jibu sahihi

regulated at will

Maelezo ya Majibu

Tazama Jibu

Swali 33 Ripoti

The male cockroach differs from the female by having

mandibles

a pair of style Jibu sahihi

spiracles

a pair of cerci

Maelezo ya Majibu

Soma maelezo ya somo kwenye Heredity (JAMB)

Heredity

Tazama Jibu

Swali 34 Ripoti

Which of the following is an example of discontinuous variation?

skin colouration

left handedness Jibu sahihi

body weight

Height

Maelezo ya Majibu

Soma maelezo ya somo kwenye Heredity (JAMB)

Heredity

Tazama Jibu

Swali 35 Ripoti

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

Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Nutrition (JAMB)

Nutrition

Tazama Jibu

Swali 36 Ripoti

Deamination occurs in the

kidney

pancreas

spleen

liver Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Animal Nutrition (WAEC)

Soma maelezo ya somo kwenye Organization Of Life (WAEC)

Soma maelezo ya somo kwenye Blood Transfusion (WAEC)

Soma maelezo ya somo kwenye Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Animal Nutrition

Organization Of Life

Blood Transfusion

Excretory Systems And Mechanisms; Types Of Excretory Systems

Tazama Jibu

Swali 37 Ripoti

Which of these animals is radially symmetrical?

squid

Hydra Jibu sahihi

Snail

Cockroach

Maelezo ya Majibu

Soma maelezo ya somo kwenye Organization Of Life (WAEC)

Organization Of Life

Tazama Jibu

Swali 38 Ripoti

Which of the following lacks chaetae, tentacles and antennae?

Snail

Crab

Millipede Jibu sahihi

Earthworm

Maelezo ya Majibu

Tazama Jibu

Swali 39 Ripoti

In an ecosystem, animals which feed directly on plants are called

secondary consumers

primary consumers Jibu sahihi

producers

predators

Maelezo ya Majibu

Soma maelezo ya somo kwenye Animal Nutrition (WAEC)

Soma maelezo ya somo kwenye Food Webs And Trophic Levels (WAEC)

Animal Nutrition

Food Webs And Trophic Levels

Tazama Jibu

Swali 40 Ripoti

Blood circulation in a mammalian is said to be double because

it passes twice through the heart in a complete circuit Jibu sahihi

it moves in both arteries and veins

it circulates in both the heart and other organs

the heart contain auricles and ventricles

Maelezo ya Majibu

Soma maelezo ya somo kwenye Transport System (WAEC)

Soma maelezo ya somo kwenye Adaptation For Survival (WAEC)

Transport System

Adaptation For Survival

Tazama Jibu

Swali 41 Ripoti

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 Jibu sahihi

loamy

clay

humus

Maelezo ya Majibu

Soma maelezo ya somo kwenye Transport (WAEC)

Soma maelezo ya somo kwenye Animal Nutrition (WAEC)

Soma maelezo ya somo kwenye Soil (WAEC)

Transport

Animal Nutrition

Soil

Tazama Jibu