JAMB and WAEC Biology questions: Excretion

52 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 21· Excretion· WAEC
The excretory organs of a flatworm are
Explanation and discussion
Question 22· Excretion· WAEC
The functional unit of the mammalian kidney is the
Explanation and discussion
Question 23· Excretion· WAEC
Plants excrete some waste products by
Explanation and discussion
Question 24· Excretion· JAMB
Through their stomata, plants get rid of
Explanation and discussion
Question 25· Excretion· JAMB
The loop of Henle in the kidney mainly helps to
Explanation and discussion
Question 26· Excretion· JAMB
The presence of glucose in a person's urine may indicate
Explanation and discussion
Question 27· Excretion· JAMB
Glucose is reabsorbed from the filtrate mainly in the
Explanation and discussion
Question 28· Excretion· JAMB
The skin excretes
Explanation and discussion
Question 29· Excretion· WAEC
The organ in which excess amino acids are deaminated to form urea is the
Explanation and discussion
Question 30· Excretion· WAEC
Glucose is normally absent from urine because it is
Explanation and discussion
Question 31· Excretion· JAMB
ADH increases the reabsorption of water in the
Explanation and discussion
Question 32· Excretion· WAEC
Urine is stored in the
Explanation and discussion
Question 33· Excretion· WAEC
Deamination of excess amino acids takes place in the
Explanation and discussion
Question 34· Excretion· JAMB
Urea is formed in the:
Explanation and discussion
Question 35· 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 36· Excretion· JAMB
Kidney failure can be treated by
Explanation and discussion
Question 37· Excretion· WAEC
Plants lose most of their excess water through the
Explanation and discussion
Question 38· Excretion· JAMB
Most bony fishes excrete their nitrogenous waste mainly as
Explanation and discussion
Question 39· Excretion· WAEC
Which organ excretes carbon(IV) oxide in man?
Explanation and discussion
Question 40· Excretion· JAMB
When the body is short of water, more antidiuretic hormone (ADH) is released. As a result,
Explanation and discussion

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JAMB and WAEC Biology questions: Excretion

The excretory organs of a flatworm are

The functional unit of the mammalian kidney is the

Plants excrete some waste products by

Through their stomata, plants get rid of

The loop of Henle in the kidney mainly helps to

The presence of glucose in a person's urine may indicate

Glucose is reabsorbed from the filtrate mainly in the

The skin excretes

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

Glucose is normally absent from urine because it is

ADH increases the reabsorption of water in the

Urine is stored in the

Deamination of excess amino acids takes place in the

Urea is formed in the:

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,