Jamb Biology Past Questions and Answers

Question 2146:

• JAMB 2019

The sum total of adaptive changes from pre-existing form that have taken place over a long time resulting in diversity of forms, structures and functions among organism is referred to as

A. Specification
B. Inorganic Evolution
C. Evolution
D. Organic Evolution

Question 2147:

• JAMB 2019

The specific portion of a habitat which is occupied by a particular species is referred to as

A. Ecological population
B. Ecological niche
C. Biotic community
D. Ecosystem

Question 2148:

• JAMB 2019

In plants, respiration occurs in

A. The stomata and lenticel only
B. Mesophyll cells only
C. All living cells
D. The root only

Question 2149:

• JAMB 2019

Which of the following is an example of discontinous variatio?

A. The range in height of a pea plant from 30cm to 50cm
B. Offsprings including two male cats and three female cats
C. The colour of pear plants grown in the dark
D. The adult body weight ranging from 50kg to 95kg

Question 2150:

• JAMB 2019

Which of the following type of soil has the highest water retaining capacity?

A. Loam
B. Laterite
C. Clay
D. Sand