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 501· Nutrition· JAMB
Goitre is caused by a shortage of
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Answer: B. iodine
Explanation and discussion
Question 502· Nutrition· JAMB
Rickets in children is caused by lack of
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Answer: A. vitamin D or calcium
Explanation and discussion
Question 503· Nutrition· WAEC
Mistletoe has green leaves but takes water and minerals from its host tree. It is a
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Answer: B. partial parasite
Explanation and discussion
Question 504· Nutrition· WAEC
The pancreatic enzyme that digests proteins in the duodenum is
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Answer: B. trypsin
Explanation and discussion
Question 505· Nutrition· JAMB
A deficiency of vitamin C causes:
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Answer: C. scurvy
Explanation and discussion
Question 506· Nutrition· WAEC
Water is absorbed mainly in the
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Answer: B. large intestine (colon)
Explanation and discussion
Question 507· Nutrition· JAMB
Holozoic nutrition involves
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Answer: C. taking in complex food and digesting it internally
Explanation and discussion
Question 508· Reproduction· JAMB
Binary fission is the method of reproduction in
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Answer: B. Amoeba
Explanation and discussion
Question 509· Reproduction· JAMB
In flowering plants, the male gametes are produced in the
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Answer: C. pollen grain
Explanation and discussion
Question 510· Reproduction· JAMB
After fertilisation, the part of the flower that develops into the fruit is the
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Answer: C. ovary
Explanation and discussion
Question 511· Reproduction· JAMB
Sperm are produced in the
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Answer: C. seminiferous tubules of the testes
Explanation and discussion
Question 512· Reproduction· JAMB
A false fruit, such as the cashew 'apple', develops
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Answer: C. from parts of the flower other than the ovary, such as the receptacle
Explanation and discussion
Question 513· Reproduction· WAEC
The fusion of a male gamete with a female gamete is called
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Answer: D. fertilisation
Explanation and discussion
Question 514· Reproduction· JAMB
Which contraceptive method works by preventing sperm from reaching the egg?
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Answer: B. the condom
Explanation and discussion
Question 515· Reproduction· WAEC
Which is a method of vegetative propagation?
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Answer: D. planting stem cuttings of cassava
Explanation and discussion
Question 516· Reproduction· WAEC
The placenta allows
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Answer: C. exchange of food, oxygen and wastes between mother and foetus
Explanation and discussion
Question 517· Reproduction· WAEC
Fertilisation in humans normally occurs in the
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Answer: B. oviduct (fallopian tube)
Explanation and discussion
Question 518· Reproduction· JAMB
Ovulation is the
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Answer: B. release of an egg from the ovary
Explanation and discussion
Question 519· Reproduction· WAEC
Which of these reproduces by binary fission?
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Answer: C. Amoeba
Explanation and discussion
Question 520· Reproduction· JAMB
A function of the placenta is to
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Answer: C. allow exchange of materials between the mother and the foetus
Explanation and discussion

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JAMB and WAEC Biology questions

Goitre is caused by a shortage of

Rickets in children is caused by lack of

Mistletoe has green leaves but takes water and minerals from its host tree. It is a

The pancreatic enzyme that digests proteins in the duodenum is

A deficiency of vitamin C causes:

Water is absorbed mainly in the

Holozoic nutrition involves

Binary fission is the method of reproduction in

In flowering plants, the male gametes are produced in the

After fertilisation, the part of the flower that develops into the fruit is the

Sperm are produced in the

A false fruit, such as the cashew 'apple', develops

The fusion of a male gamete with a female gamete is called

Which contraceptive method works by preventing sperm from reaching the egg?

Which is a method of vegetative propagation?

The placenta allows

Fertilisation in humans normally occurs in the

Ovulation is the

Which of these reproduces by binary fission?

A function of the placenta is to