JAMB and WAEC Biology questions

791 questions with answers and explanations. Tap an option to check yourself.

All topics Cell structure and organisation · 56 Cellular activities · 56 Co-ordination and control · 58 Ecology · 71 Evolution · 45 Excretion · 52 Growth · 45 Heredity and variation · 60 Nutrition · 64 Reproduction · 62 Respiration · 55 Support and movement · 50 Transport · 57 Variety of organisms · 60

Question 161· Co-ordination and control· WAEC
The pituitary gland is called the master gland because it
Explanation and discussion
Question 162· Co-ordination and control· JAMB
The cells of the retina that work best in dim light are the
Explanation and discussion
Question 163· Co-ordination and control· JAMB
The part of the ear that changes sound vibrations into nerve impulses is the
Explanation and discussion
Question 164· Co-ordination and control· JAMB
The part of the brain that controls breathing and heartbeat is the
Explanation and discussion
Question 165· Co-ordination and control· JAMB
A synapse is
Explanation and discussion
Question 166· Co-ordination and control· WAEC
The quick withdrawal of the hand from a hot object is a
Explanation and discussion
Question 167· Co-ordination and control· WAEC
Deficiency of iodine in the diet can lead to
Explanation and discussion
Question 168· Co-ordination and control· WAEC
Which part of the human eye adjusts the size of the pupil?
Explanation and discussion
Question 169· Co-ordination and control· JAMB
Hormones are carried round the body by the
Explanation and discussion
Question 170· Co-ordination and control· JAMB
The movement of a whole organism towards or away from a stimulus is called
Explanation and discussion
Question 171· Ecology· JAMB
In the food web shown, which organism feeds at more than one trophic level?
Explanation and discussion
Question 172· Ecology· WAEC
Desert plants such as cacti reduce water loss by having
Explanation and discussion
Question 173· Ecology· JAMB
The relationship in which one organism benefits and the other is harmed is:
Explanation and discussion
Question 174· Ecology· JAMB
Saprophytes obtain food from
Explanation and discussion
Question 175· Ecology· JAMB
Decomposers are important in an ecosystem because they
Explanation and discussion
Question 176· Ecology· JAMB
The climax community is
Explanation and discussion
Question 177· Ecology· WAEC
An animal that feeds on both plants and animals is
Explanation and discussion
Question 178· Ecology· JAMB
In the food web shown, if all the frogs were removed, the number of grasshoppers would most likely
Explanation and discussion
Question 179· Ecology· JAMB
Which organisms are the pioneers on bare rock?
Explanation and discussion
Question 180· Ecology· JAMB
A group of organisms of the same species living in the same habitat is a
Explanation and discussion

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JAMB and WAEC Biology questions

The pituitary gland is called the master gland because it

The cells of the retina that work best in dim light are the

The part of the ear that changes sound vibrations into nerve impulses is the

The part of the brain that controls breathing and heartbeat is the

A synapse is

The quick withdrawal of the hand from a hot object is a

Deficiency of iodine in the diet can lead to

Which part of the human eye adjusts the size of the pupil?

Hormones are carried round the body by the

The movement of a whole organism towards or away from a stimulus is called

In the food web shown, which organism feeds at more than one trophic level?

Desert plants such as cacti reduce water loss by having

The relationship in which one organism benefits and the other is harmed is:

Saprophytes obtain food from

Decomposers are important in an ecosystem because they

The climax community is

An animal that feeds on both plants and animals is

In the food web shown, if all the frogs were removed, the number of grasshoppers would most likely

Which organisms are the pioneers on bare rock?

A group of organisms of the same species living in the same habitat is a