FORM AND FUNCTIONS - Jamb Biology Past Questions and Answers

Question 1096:

• JAMB 2018

The yellowish colored liquid component of blood that normally holds the blood cells in suspension is

A. Serum
B. Plasma
C. Water
D. Thrombocyte

Question 1097:

• JAMB 2018

The function of pith in plant is

A. Absorb mineral salt and nutrient from the soil
B. Pith, or medulla, is a tissue in the stems of vascular plants. Pith is composed of soft, spongy parenchyma cells, which store and transport nutrients throughout the plant.
C. Trap chlorophyll from the sunlight
D. Removal of waste product from the plant

Question 1098:

• 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 1099:

• 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 1100:

• 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