Biology 2022 Jamb Past Questions and Answers

Question 1 :

• JAMB 2022

The correct pathway for blood flow from the heart to the tissues of mammals is?

A. Heart-arteriole-artery-tissues
B. Heart-artery-arteriole-tissues
C. Heart-vein-venule-tissues
D. Heart-venule-vein-tissues

Question 2 :

• JAMB 2022

Tall trees with buttress roots and evergreen leaves are characteristics features of?

A. Temperate grass land
B. Southern Guinea Savanna
C. Tropical rain forests
D. Northern Guinea savanna

Question 3 :

• JAMB 2022

The genes crossing over occurs during?

A. Fertilization
B. Mutation
C. Mitosis
D. Meiosis

Question 4 :

• JAMB 2022

In genetic counseling, a man with hemoglobin formation HbA HbS is most preferred to marry a woman of?

A. HbA HbA
B. HbC HbH
C. HbM HbF
D. HbS HbS

Question 5 :

• JAMB 2022

The genes crossing over occurs during?

A. Fertilization
B. Mutation
C. Mitosis
D. Meiosis