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 321· 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 322· Excretion· JAMB
Kidney failure can be treated by
Explanation and discussion
Question 323· Excretion· WAEC
Plants lose most of their excess water through the
Explanation and discussion
Question 324· Excretion· JAMB
Most bony fishes excrete their nitrogenous waste mainly as
Explanation and discussion
Question 325· Excretion· WAEC
Which organ excretes carbon(IV) oxide in man?
Explanation and discussion
Question 326· Excretion· JAMB
When the body is short of water, more antidiuretic hormone (ADH) is released. As a result,
Explanation and discussion
Question 327· Excretion· WAEC
Which of these substances is normally absent from the urine of a healthy person?
Explanation and discussion
Question 328· Excretion· JAMB
Plants excrete oxygen as a by-product of
Explanation and discussion
Question 329· Excretion· JAMB
Urine passes from each kidney to the bladder through the
Explanation and discussion
Question 330· Excretion· JAMB
Ultrafiltration in the kidney takes place in the
Explanation and discussion
Question 331· Excretion· JAMB
In Amoeba, contractile vacuoles remove
Explanation and discussion
Question 332· Excretion· WAEC
The main nitrogenous waste of mammals is
Explanation and discussion
Question 333· Excretion· WAEC
The hormone ADH helps the kidney to
Explanation and discussion
Question 334· Excretion· JAMB
Many plants get rid of some waste substances by storing them in
Explanation and discussion
Question 335· Excretion· WAEC
The organ of excretion in earthworms is the
Explanation and discussion
Question 336· Excretion· JAMB
The main nitrogenous waste removed by mammalian kidneys is
Explanation and discussion
Question 337· Excretion· JAMB
The main nitrogenous waste excreted by birds is
Explanation and discussion
Question 338· Excretion· WAEC
The excretory organ of an earthworm is the
Explanation and discussion
Question 339· Growth· WAEC
Growth in living organisms is best described as
Explanation and discussion
Question 340· Growth· JAMB
In a maize grain, the main food store is the
Explanation and discussion

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JAMB and WAEC Biology questions

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

Kidney failure can be treated by

Plants lose most of their excess water through the

Most bony fishes excrete their nitrogenous waste mainly as

Which organ excretes carbon(IV) oxide in man?

When the body is short of water, more antidiuretic hormone (ADH) is released. As a result,

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

Plants excrete oxygen as a by-product of

Urine passes from each kidney to the bladder through the

Ultrafiltration in the kidney takes place in the

In Amoeba, contractile vacuoles remove

The main nitrogenous waste of mammals is

The hormone ADH helps the kidney to

Many plants get rid of some waste substances by storing them in

The organ of excretion in earthworms is the

The main nitrogenous waste removed by mammalian kidneys is

The main nitrogenous waste excreted by birds is

The excretory organ of an earthworm is the

Growth in living organisms is best described as

In a maize grain, the main food store is the