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 541· Reproduction· WAEC
A fruit that develops from one flower with many separate carpels, such as the custard apple, is
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Answer: A. an aggregate fruit
Explanation and discussion
Question 542· Reproduction· JAMB
Implantation is the
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Answer: D. attachment of the embryo to the wall of the uterus
Explanation and discussion
Question 543· Reproduction· JAMB
The umbilical cord
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Answer: A. connects the foetus to the placenta
Explanation and discussion
Question 544· Reproduction· JAMB
An animal that has both male and female reproductive organs, such as the earthworm, is described as
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Answer: C. hermaphrodite
Explanation and discussion
Question 545· Reproduction· JAMB
The hormone that maintains the lining of the uterus during pregnancy is
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Answer: D. progesterone
Explanation and discussion
Question 546· Reproduction· WAEC
In humans, the egg is produced in the
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Answer: B. ovary
Explanation and discussion
Question 547· Reproduction· JAMB
Yeast reproduces asexually by
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Answer: B. budding
Explanation and discussion
Question 548· Reproduction· WAEC
The male gamete in flowering plants is formed in the
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Answer: B. pollen grain
Explanation and discussion
Question 549· Reproduction· WAEC
Cotyledons that are carried above the ground during germination indicate
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Answer: B. epigeal germination
Explanation and discussion
Question 550· Reproduction· WAEC
Wind-pollinated flowers usually have
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Answer: D. light, smooth pollen and feathery stigmas
Explanation and discussion
Question 551· Reproduction· WAEC
In a bean seedling the cotyledons are carried above the soil. This type of germination is
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Answer: A. epigeal
Explanation and discussion
Question 552· Reproduction· WAEC
In humans, fertilisation normally takes place in the
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Answer: C. oviduct
Explanation and discussion
Question 553· Reproduction· JAMB
Cassava is commonly propagated by
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Answer: A. stem cuttings
Explanation and discussion
Question 554· Reproduction· JAMB
The part of a sperm containing enzymes that help it penetrate the egg is the
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Answer: D. acrosome
Explanation and discussion
Question 555· Reproduction· JAMB
Animals that give birth to live young are described as
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Answer: D. viviparous
Explanation and discussion
Question 556· Reproduction· WAEC
The hormone that stimulates ovulation in humans is
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Answer: B. luteinising hormone
Explanation and discussion
Question 557· Reproduction· JAMB
Cross-pollination is encouraged when
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Answer: A. the stamens and stigmas of a flower ripen at different times
Explanation and discussion
Question 558· Reproduction· WAEC
The transfer of pollen from the anther of one flower to the stigma of another flower of the same species is
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Answer: C. cross-pollination
Explanation and discussion
Question 559· Reproduction· WAEC
Metamorphosis in the housefly involves the stages
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Answer: B. egg, larva, pupa, adult
Explanation and discussion
Question 560· Reproduction· WAEC
Which feature suits a flower to pollination by insects?
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Answer: B. bright, scented petals and nectar
Explanation and discussion

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JAMB and WAEC Biology questions

A fruit that develops from one flower with many separate carpels, such as the custard apple, is

Implantation is the

The umbilical cord

An animal that has both male and female reproductive organs, such as the earthworm, is described as

The hormone that maintains the lining of the uterus during pregnancy is

In humans, the egg is produced in the

Yeast reproduces asexually by

The male gamete in flowering plants is formed in the

Cotyledons that are carried above the ground during germination indicate

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

Cassava is commonly propagated by

The part of a sperm containing enzymes that help it penetrate the egg is the

Animals that give birth to live young are described as

The hormone that stimulates ovulation in humans is

Cross-pollination is encouraged when

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?