JAMB Biology questions: Ecology

38 questions with answers and explanations. Tap an option to check yourself.

All topics Cell structure and organisation · 30 Cellular activities · 32 Co-ordination and control · 31 Ecology · 38 Evolution · 27 Excretion · 30 Growth · 27 Heredity and variation · 36 Nutrition · 34 Reproduction · 33 Respiration · 30 Support and movement · 28 Transport · 30 Variety of organisms · 32

Question 1· Ecology· JAMB
In the food web shown, which organism feeds at more than one trophic level?
Explanation and discussion
Question 2· Ecology· JAMB
The relationship in which one organism benefits and the other is harmed is:
Explanation and discussion
Question 3· Ecology· JAMB
Saprophytes obtain food from
Explanation and discussion
Question 4· Ecology· JAMB
Decomposers are important in an ecosystem because they
Explanation and discussion
Question 5· Ecology· JAMB
The climax community is
Explanation and discussion
Question 6· Ecology· JAMB
In the food web shown, if all the frogs were removed, the number of grasshoppers would most likely
Explanation and discussion
Question 7· Ecology· JAMB
Which organisms are the pioneers on bare rock?
Explanation and discussion
Question 8· Ecology· JAMB
A group of organisms of the same species living in the same habitat is a
Explanation and discussion
Question 9· Ecology· JAMB
In a predator–prey relationship, the population peak of the predator usually
Explanation and discussion
Question 10· Ecology· JAMB
The association between nitrogen-fixing bacteria and leguminous plants is an example of
Explanation and discussion
Question 11· Ecology· JAMB
In a food chain grass → grasshopper → lizard → hawk, the lizard is a:
Explanation and discussion
Question 12· Ecology· JAMB
The final, stable community at the end of an ecological succession is the
Explanation and discussion
Question 13· Ecology· JAMB
Relative humidity is measured with a
Explanation and discussion
Question 14· Ecology· JAMB
Nitrification is the conversion of
Explanation and discussion
Question 15· Ecology· JAMB
A quadrat is used in ecology to
Explanation and discussion
Question 16· Ecology· JAMB
Ecological succession is
Explanation and discussion
Question 17· Ecology· JAMB
Commensalism is a relationship in which
Explanation and discussion
Question 18· Ecology· JAMB
The relationship between a remora fish and a shark, in which the remora benefits and the shark is unaffected, is
Explanation and discussion
Question 19· Ecology· JAMB
An organism that feeds on dead organic matter is a:
Explanation and discussion
Question 20· Ecology· JAMB
A pyramid of numbers is inverted when
Explanation and discussion

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JAMB Biology questions: Ecology

In the food web shown, which organism feeds at more than one trophic level?

The relationship in which one organism benefits and the other is harmed is:

Saprophytes obtain food from

Decomposers are important in an ecosystem because they

The climax community is

In the food web shown, if all the frogs were removed, the number of grasshoppers would most likely

Which organisms are the pioneers on bare rock?

A group of organisms of the same species living in the same habitat is a

In a predator–prey relationship, the population peak of the predator usually

The association between nitrogen-fixing bacteria and leguminous plants is an example of

In a food chain grass → grasshopper → lizard → hawk, the lizard is a:

The final, stable community at the end of an ecological succession is the

Relative humidity is measured with a

Nitrification is the conversion of

A quadrat is used in ecology to

Ecological succession is

Commensalism is a relationship in which

The relationship between a remora fish and a shark, in which the remora benefits and the shark is unaffected, is

An organism that feeds on dead organic matter is a:

A pyramid of numbers is inverted when