WAEC Biology questions

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

All topics Cell structure and organisation · 26 Cellular activities · 24 Co-ordination and control · 27 Ecology · 33 Evolution · 18 Excretion · 22 Growth · 18 Heredity and variation · 24 Nutrition · 30 Reproduction · 29 Respiration · 25 Support and movement · 22 Transport · 27 Variety of organisms · 28

Question 41· Cellular activities· WAEC
Root hair cells absorb water from the soil by
Explanation and discussion
Question 42· Cellular activities· WAEC
Wilting of plants on a hot afternoon is due to
Explanation and discussion
Question 43· Cellular activities· WAEC
In a flowering plant, meiosis takes place in the
Explanation and discussion
Question 44· Cellular activities· WAEC
Turgidity in plant cells helps to
Explanation and discussion
Question 45· Cellular activities· WAEC
Which process gives off oxygen as a by-product?
Explanation and discussion
Question 46· Cellular activities· WAEC
The movement of water molecules from a dilute solution to a more concentrated one through a selectively permeable membrane is
Explanation and discussion
Question 47· Cellular activities· WAEC
During mitosis, a cell with 46 chromosomes produces daughter cells each with
Explanation and discussion
Question 48· Cellular activities· WAEC
A plant cell placed in strong salt solution loses water and its cytoplasm shrinks away from the cell wall. This is
Explanation and discussion
Question 49· Cellular activities· WAEC
A plant cell placed in a concentrated salt solution becomes
Explanation and discussion
Question 50· Cellular activities· WAEC
The movement of water molecules across a semi-permeable membrane from a dilute to a more concentrated solution is
Explanation and discussion
Question 51· Co-ordination and control· WAEC
Short sight (myopia) is corrected with
Explanation and discussion
Question 52· Co-ordination and control· WAEC
The part of the brain that controls balance and the coordination of movement is the
Explanation and discussion
Question 53· Co-ordination and control· WAEC
The part of the nervous system made up of the brain and spinal cord is the
Explanation and discussion
Question 54· Co-ordination and control· WAEC
A sensory neurone carries impulses
Explanation and discussion
Question 55· Co-ordination and control· WAEC
A blow to the back of the head that damages the medulla oblongata is dangerous because it controls
Explanation and discussion
Question 56· Co-ordination and control· WAEC
Which neurone carries impulses from a receptor to the central nervous system?
Explanation and discussion
Question 57· Co-ordination and control· WAEC
Pulling the hand away from a hot pot without thinking is
Explanation and discussion
Question 58· Co-ordination and control· WAEC
The hormone that lowers the level of glucose in the blood is
Explanation and discussion
Question 59· Co-ordination and control· WAEC
Accommodation of the eye means
Explanation and discussion
Question 60· Co-ordination and control· WAEC
A diabetic patient injects insulin because his body does not make enough of it in the
Explanation and discussion

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WAEC Biology questions

Root hair cells absorb water from the soil by

Wilting of plants on a hot afternoon is due to

In a flowering plant, meiosis takes place in the

Turgidity in plant cells helps to

Which process gives off oxygen as a by-product?

The movement of water molecules from a dilute solution to a more concentrated one through a selectively permeable membrane is

During mitosis, a cell with 46 chromosomes produces daughter cells each with

A plant cell placed in strong salt solution loses water and its cytoplasm shrinks away from the cell wall. This is

A plant cell placed in a concentrated salt solution becomes

The movement of water molecules across a semi-permeable membrane from a dilute to a more concentrated solution is

Short sight (myopia) is corrected with

The part of the brain that controls balance and the coordination of movement is the

The part of the nervous system made up of the brain and spinal cord is the

A sensory neurone carries impulses

A blow to the back of the head that damages the medulla oblongata is dangerous because it controls

Which neurone carries impulses from a receptor to the central nervous system?

Pulling the hand away from a hot pot without thinking is

The hormone that lowers the level of glucose in the blood is

Accommodation of the eye means

A diabetic patient injects insulin because his body does not make enough of it in the