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 141· Excretion· WAEC
Urine is stored in the
Explanation and discussion
Question 142· Excretion· WAEC
Deamination of excess amino acids takes place in the
Explanation and discussion
Question 143· Excretion· WAEC
The kidney filters about 180 litres of blood plasma a day, but only about 1.5 litres of urine is produced because
Explanation and discussion
Question 144· Excretion· WAEC
Plants lose most of their excess water through the
Explanation and discussion
Question 145· Excretion· WAEC
Which organ excretes carbon(IV) oxide in man?
Explanation and discussion
Question 146· Excretion· WAEC
Which of these substances is normally absent from the urine of a healthy person?
Explanation and discussion
Question 147· Excretion· WAEC
The main nitrogenous waste of mammals is
Explanation and discussion
Question 148· Excretion· WAEC
The hormone ADH helps the kidney to
Explanation and discussion
Question 149· Excretion· WAEC
The organ of excretion in earthworms is the
Explanation and discussion
Question 150· Excretion· WAEC
The excretory organ of an earthworm is the
Explanation and discussion
Question 151· Growth· WAEC
Growth in living organisms is best described as
Explanation and discussion
Question 152· Growth· WAEC
The conditions needed for germination are
Explanation and discussion
Question 153· Growth· WAEC
A growth curve of an organism is usually
Explanation and discussion
Question 154· Growth· WAEC
In plants, growth in length takes place mainly at the
Explanation and discussion
Question 155· Growth· WAEC
Germination in which the cotyledons are carried above the soil is called
Explanation and discussion
Question 156· Growth· WAEC
Growth in plants occurs mainly at the
Explanation and discussion
Question 157· Growth· WAEC
Which conditions are needed for a seed to germinate?
Explanation and discussion
Question 158· Growth· WAEC
The stage in the life cycle of a mosquito that lives in water and breathes through a siphon is the
Explanation and discussion
Question 159· Growth· WAEC
The plant hormone that promotes cell elongation is
Explanation and discussion
Question 160· Growth· WAEC
The region of a plant root where cells divide actively is the
Explanation and discussion

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WAEC Biology questions

Urine is stored in the

Deamination of excess amino acids takes place in the

The kidney filters about 180 litres of blood plasma a day, but only about 1.5 litres of urine is produced because

Plants lose most of their excess water through the

Which organ excretes carbon(IV) oxide in man?

Which of these substances is normally absent from the urine of a healthy person?

The main nitrogenous waste of mammals is

The hormone ADH helps the kidney to

The organ of excretion in earthworms is the

The excretory organ of an earthworm is the

Growth in living organisms is best described as

The conditions needed for germination are

A growth curve of an organism is usually

In plants, growth in length takes place mainly at the

Germination in which the cotyledons are carried above the soil is called

Growth in plants occurs mainly at the

Which conditions are needed for a seed to germinate?

The stage in the life cycle of a mosquito that lives in water and breathes through a siphon is the

The plant hormone that promotes cell elongation is

The region of a plant root where cells divide actively is the