Jamb Biology 2018 Past Questions and Answers

Question 41:

• JAMB 2018

The flippers of a whale and the fins of a fish are examples of

A. Divergent evolution
B. Co-evolution
C. Continuous variation
D. Convergent evolution

Question 42:

• 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 43:

• 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 44:

• JAMB 2018

A pollutant that is mostly associated with acid rain is

A. Nitrogen (IV) oxide
B. Ozone
C. Flourine
D. Carbony (IV) oxide

Question 45:

• JAMB 2018

What is the function of contractile vacuole in paramecium?

A. Produces Enzymes
B. Gets rid of excreta
C. Stores and digest food
D. Gets rid of excess water