Jamb Biology Past Questions and Answers

Question 2076:

• JAMB 2018

The four classes of cnidarian include the following except

A. Turbellaria
B. Anthozoa
C. Scyphozoa
D. Cubozoa

Question 2077:

• JAMB 2018

What would happen if solution Y is more concentrated than solution X in fig 2

A. The level of X would rise, Y would falls
B. The level of X would rise, Y would rise
C. The level of X and Y stands the same
D. The level of Y would rise, X would fall.

Question 2078:

• JAMB 2018

Physiological adaptation to very dry conditions in animal demonstrates

A. Xeromorphism
B. Hibernation
C. Aestivation
D. Rejuvenation

Question 2079:

• JAMB 2018

The hormones secreted by pancreas serves to

A. Facilitate the development of facial hairs
B. Raise the level of calcium in the blood
C. Lower blood glucose level
D. Make the body react to emergencies

Question 2080:

• JAMB 2018

Blood circulation in a mammal is said to be double because

A. It passes twice through the heart in a complete circuit
B. It moves in both arteries and veins
C. It circulates in both the hands and other organs
D. The heart contains auricles and ventricles