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 241· Reproduction· WAEC
Wind-pollinated flowers usually have
Explanation and discussion
Question 242· Reproduction· WAEC
In a bean seedling the cotyledons are carried above the soil. This type of germination is
Explanation and discussion
Question 243· Reproduction· WAEC
In humans, fertilisation normally takes place in the
Explanation and discussion
Question 244· Reproduction· WAEC
The hormone that stimulates ovulation in humans is
Explanation and discussion
Question 245· Reproduction· WAEC
The transfer of pollen from the anther of one flower to the stigma of another flower of the same species is
Explanation and discussion
Question 246· Reproduction· WAEC
Metamorphosis in the housefly involves the stages
Explanation and discussion
Question 247· Reproduction· WAEC
Which feature suits a flower to pollination by insects?
Explanation and discussion
Question 248· Reproduction· WAEC
Asexual reproduction by budding is common in
Explanation and discussion
Question 249· Reproduction· WAEC
The male reproductive part of a flower is the
Explanation and discussion
Question 250· Reproduction· WAEC
Binary fission is a method of reproduction in
Explanation and discussion
Question 251· Reproduction· WAEC
The female reproductive part of a flower is the
Explanation and discussion
Question 252· Respiration· WAEC
The respiratory surface of an insect is formed by the
Explanation and discussion
Question 253· Respiration· WAEC
Gaseous exchange in fish takes place through the
Explanation and discussion
Question 254· Respiration· WAEC
During a sprint, lactic acid builds up in the leg muscles because
Explanation and discussion
Question 255· Respiration· WAEC
Dough rises during bread-making because of
Explanation and discussion
Question 256· Respiration· WAEC
Anaerobic respiration in muscles produces
Explanation and discussion
Question 257· Respiration· WAEC
During expiration in humans, the diaphragm
Explanation and discussion
Question 258· Respiration· WAEC
Which of these gives off the most energy per gram when respired?
Explanation and discussion
Question 259· Respiration· WAEC
Gaseous exchange in the human lungs takes place in the
Explanation and discussion
Question 260· Respiration· WAEC
The energy-carrying molecule produced in respiration is
Explanation and discussion

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WAEC Biology questions

Wind-pollinated flowers usually have

In a bean seedling the cotyledons are carried above the soil. This type of germination is

In humans, fertilisation normally takes place in the

The hormone that stimulates ovulation in humans is

The transfer of pollen from the anther of one flower to the stigma of another flower of the same species is

Metamorphosis in the housefly involves the stages

Which feature suits a flower to pollination by insects?

Asexual reproduction by budding is common in

The male reproductive part of a flower is the

Binary fission is a method of reproduction in

The female reproductive part of a flower is the

The respiratory surface of an insect is formed by the

Gaseous exchange in fish takes place through the

During a sprint, lactic acid builds up in the leg muscles because

Dough rises during bread-making because of

Anaerobic respiration in muscles produces

During expiration in humans, the diaphragm

Which of these gives off the most energy per gram when respired?

Gaseous exchange in the human lungs takes place in the

The energy-carrying molecule produced in respiration is