JAMB and WAEC Biology questions: Ecology

71 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 41· Ecology· JAMB
An anemometer is used to measure
Explanation and discussion
Question 42· Ecology· WAEC
Which of the following is an abiotic factor in a habitat?
Explanation and discussion
Question 43· Ecology· WAEC
Which of these is a biotic factor?
Explanation and discussion
Question 44· Ecology· WAEC
The total number of organisms of one species living in a habitat is its
Explanation and discussion
Question 45· Ecology· WAEC
The instrument used to measure relative humidity is the
Explanation and discussion
Question 46· Ecology· JAMB
Carbon returns to the atmosphere mainly through
Explanation and discussion
Question 47· Ecology· JAMB
200 plants of a species are counted in an area of 50 m². Find the population density.
Explanation and discussion
Question 48· Ecology· JAMB
A major effect of deforestation is
Explanation and discussion
Question 49· Ecology· WAEC
A quadrat is used to estimate
Explanation and discussion
Question 50· Ecology· JAMB
Which Nigerian biome has the greatest variety of species?
Explanation and discussion
Question 51· Ecology· WAEC
A food chain always begins with a
Explanation and discussion
Question 52· Ecology· WAEC
Bacteria that convert nitrates in the soil to nitrogen gas carry out
Explanation and discussion
Question 53· Ecology· WAEC
The instrument used to measure rainfall is the
Explanation and discussion
Question 54· Ecology· JAMB
Nitrogen-fixing bacteria are found in the root nodules of
Explanation and discussion
Question 55· Ecology· WAEC
Mangrove plants are adapted to waterlogged soils by having
Explanation and discussion
Question 56· Ecology· WAEC
Which instrument measures relative humidity?
Explanation and discussion
Question 57· Ecology· JAMB
An organism's niche is
Explanation and discussion
Question 58· Ecology· WAEC
In the food chain grass → grasshopper → lizard → hawk, the secondary consumer is the
Explanation and discussion
Question 59· Ecology· JAMB
In the carbon cycle, carbon(IV) oxide is removed from the atmosphere by
Explanation and discussion
Question 60· Ecology· WAEC
Only about 10% of energy passes from one trophic level to the next because
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: Ecology

An anemometer is used to measure

Which of the following is an abiotic factor in a habitat?

Which of these is a biotic factor?

The total number of organisms of one species living in a habitat is its

The instrument used to measure relative humidity is the

Carbon returns to the atmosphere mainly through

200 plants of a species are counted in an area of 50 m². Find the population density.

A major effect of deforestation is

A quadrat is used to estimate

Which Nigerian biome has the greatest variety of species?

A food chain always begins with a

Bacteria that convert nitrates in the soil to nitrogen gas carry out

The instrument used to measure rainfall is the

Nitrogen-fixing bacteria are found in the root nodules of

Mangrove plants are adapted to waterlogged soils by having

Which instrument measures relative humidity?

An organism's niche is

In the food chain grass → grasshopper → lizard → hawk, the secondary consumer is the

In the carbon cycle, carbon(IV) oxide is removed from the atmosphere by

Only about 10% of energy passes from one trophic level to the next because