Jamb Biology 2020 Past Questions and Answers

Question 36:

• JAMB 2020

The only caste in the termite colony whose members can feed themselves are the

A. Workers
B. Reproductives
C. Soldiers
D. Nymphs

Question 37:

• JAMB 2020

Which of the following is the best explanation for a child who is phenotypically short and born of two tall parents

A. Both parent possess genes for shortness
B. The father possess a gene for shortness
C. Nature makes the child short
D. None of the above

Question 38:

• JAMB 2020

Which of the following vertebrates has the most simple structured heart

A. Reptile
B. Fish
C. Mammal
D. Amphibian

Question 39:

• JAMB 2020

Use the diagram to answer the question.

The type of protective adaption exhibited by the animal is

A. Disruptive colouration
B. Flash colouration
C. Countershading colouration
D. Warning colouration

Question 40:

• JAMB 2020

Use the diagram to answer the question.

The structure labelled i is

A. Photosensitive
B. Radiosensitive
C. Chemoreceptive
D. Tactile