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 361· Growth· JAMB
During germination, the radicle develops into the
Show answer
Answer: B. root
Explanation and discussion
Question 362· Growth· WAEC
The stage in the life cycle of a mosquito that lives in water and breathes through a siphon is the
Show answer
Answer: B. larva
Explanation and discussion
Question 363· Growth· WAEC
The plant hormone that promotes cell elongation is
Show answer
Answer: C. auxin
Explanation and discussion
Question 364· Growth· JAMB
An insect such as the cockroach, which develops through egg, nymph and adult stages, shows
Show answer
Answer: C. incomplete metamorphosis
Explanation and discussion
Question 365· Growth· WAEC
The region of a plant root where cells divide actively is the
Show answer
Answer: C. meristem near the root tip
Explanation and discussion
Question 366· Growth· JAMB
Growth in animals can be measured by changes in
Show answer
Answer: C. mass or length over time
Explanation and discussion
Question 367· Growth· WAEC
The plant hormone responsible for the bending of shoots towards light is
Show answer
Answer: C. auxin
Explanation and discussion
Question 368· Growth· WAEC
The hormone that controls growth in human beings is produced by the
Show answer
Answer: A. pituitary gland
Explanation and discussion
Question 369· Growth· WAEC
The part of a germinating bean seed that grows down to form the root is the
Show answer
Answer: A. radicle
Explanation and discussion
Question 370· Growth· WAEC
In hypogeal germination, the cotyledons
Show answer
Answer: B. remain below the soil
Explanation and discussion
Question 371· Growth· JAMB
Moulting and metamorphosis in insects are controlled by
Show answer
Answer: D. hormones such as ecdysone
Explanation and discussion
Question 372· Growth· JAMB
Which seed shows hypogeal germination?
Show answer
Answer: C. maize
Explanation and discussion
Question 373· Growth· JAMB
In a root, the region of most active cell division is the
Show answer
Answer: D. root tip (apical meristem)
Explanation and discussion
Question 374· Growth· JAMB
Gibberellins promote
Show answer
Answer: B. stem elongation and seed germination
Explanation and discussion
Question 375· Growth· JAMB
In plants, new cells are produced mainly in regions called
Show answer
Answer: A. meristems
Explanation and discussion
Question 376· Growth· WAEC
Secondary thickening in dicot stems is due to the activity of the
Show answer
Answer: B. cambium
Explanation and discussion
Question 377· Growth· WAEC
The plant hormone responsible for shoot bending towards light is
Show answer
Answer: C. auxin
Explanation and discussion
Question 378· Growth· JAMB
The hormone that promotes cell elongation in plant shoots is:
Show answer
Answer: A. auxin
Explanation and discussion
Question 379· Growth· JAMB
Seeds kept in a sealed jar filled with boiled water fail to germinate. The most likely missing condition is
Show answer
Answer: B. oxygen
Explanation and discussion
Question 380· Growth· WAEC
An insect that develops through egg, nymph and adult stages shows
Show answer
Answer: D. incomplete metamorphosis
Explanation and discussion

Practise Biology like the real exam. A timed CBT, your score, and the topics to fix.

Start a Biology test

JAMB and WAEC Biology questions

During germination, the radicle develops into the

The stage in the life cycle of a mosquito that lives in water and breathes through a siphon is the

The plant hormone that promotes cell elongation is

An insect such as the cockroach, which develops through egg, nymph and adult stages, shows

The region of a plant root where cells divide actively is the

Growth in animals can be measured by changes in

The plant hormone responsible for the bending of shoots towards light is

The hormone that controls growth in human beings is produced by the

The part of a germinating bean seed that grows down to form the root is the

In hypogeal germination, the cotyledons

Moulting and metamorphosis in insects are controlled by

Which seed shows hypogeal germination?

In a root, the region of most active cell division is the

Gibberellins promote

In plants, new cells are produced mainly in regions called

Secondary thickening in dicot stems is due to the activity of the

The plant hormone responsible for shoot bending towards light is

The hormone that promotes cell elongation in plant shoots is:

Seeds kept in a sealed jar filled with boiled water fail to germinate. The most likely missing condition is

An insect that develops through egg, nymph and adult stages shows