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 121· Evolution· WAEC
Fossils provide evidence for evolution because they
Explanation and discussion
Question 122· Evolution· WAEC
The long roots of desert plants are an adaptation for
Explanation and discussion
Question 123· Evolution· WAEC
Lamarck's theory of evolution proposed the
Explanation and discussion
Question 124· Evolution· WAEC
The theory of evolution by natural selection was proposed by
Explanation and discussion
Question 125· Evolution· WAEC
The forelimb of a bat and the arm of a man have the same basic structure but different functions. They are
Explanation and discussion
Question 126· Evolution· WAEC
Explaining the giraffe's long neck by the stretching of necks over generations is
Explanation and discussion
Question 127· Evolution· WAEC
The development of resistance to insecticides in mosquitoes is an example of
Explanation and discussion
Question 128· Evolution· WAEC
Fossils support the theory of evolution because they
Explanation and discussion
Question 129· Excretion· WAEC
Filtration of blood under pressure in the kidney takes place in the
Explanation and discussion
Question 130· Excretion· WAEC
Malpighian tubules are the excretory organs of
Explanation and discussion
Question 131· Excretion· WAEC
The skin acts as an excretory organ by removing
Explanation and discussion
Question 132· Excretion· WAEC
The main nitrogenous waste excreted by human beings is
Explanation and discussion
Question 133· Excretion· WAEC
Deamination, which produces urea, is carried out in the
Explanation and discussion
Question 134· Excretion· WAEC
Plants lose excess water mainly through their
Explanation and discussion
Question 135· Excretion· WAEC
Plants get rid of excess water mainly through
Explanation and discussion
Question 136· Excretion· WAEC
The excretory organs of a flatworm are
Explanation and discussion
Question 137· Excretion· WAEC
The functional unit of the mammalian kidney is the
Explanation and discussion
Question 138· Excretion· WAEC
Plants excrete some waste products by
Explanation and discussion
Question 139· Excretion· WAEC
The organ in which excess amino acids are deaminated to form urea is the
Explanation and discussion
Question 140· Excretion· WAEC
Glucose is normally absent from urine because it is
Explanation and discussion

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WAEC Biology questions

Fossils provide evidence for evolution because they

The long roots of desert plants are an adaptation for

Lamarck's theory of evolution proposed the

The theory of evolution by natural selection was proposed by

The forelimb of a bat and the arm of a man have the same basic structure but different functions. They are

Explaining the giraffe's long neck by the stretching of necks over generations is

The development of resistance to insecticides in mosquitoes is an example of

Fossils support the theory of evolution because they

Filtration of blood under pressure in the kidney takes place in the

Malpighian tubules are the excretory organs of

The skin acts as an excretory organ by removing

The main nitrogenous waste excreted by human beings is

Deamination, which produces urea, is carried out in the

Plants lose excess water mainly through their

Plants get rid of excess water mainly through

The excretory organs of a flatworm are

The functional unit of the mammalian kidney is the

Plants excrete some waste products by

The organ in which excess amino acids are deaminated to form urea is the

Glucose is normally absent from urine because it is