Jamb Biology 2018 Past Questions and Answers

Question 51:

• 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 52:

• 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

Question 53:

• JAMB 2018

Examples of animals with mammary glands include the following except

A. Cow
B. Goat
C. Pig
D. Hen

Question 54:

• JAMB 2018

The hygrometer is used for measuring

A. Relative Humidity
B. Specific Gravity
C. Rainfall
D. Salinity

Question 55:

• JAMB 2018

Mineral salts can be absorbed into roots by

A. Osmosis only
B. Osmosis and diffusion
C. Diffusion and active transport
D. Imbition only