Waec Biology Past Questions and Answers

Question 876:

• WAEC 2004

Which two structures are present in a palisade cell but not in a liver cell?

A. Cell wall and cytoplasm
B. Cell wall and chloroplast
C. Cell membrane and cytoplasm
D. Cell membrane and chloroplast

Question 877:

• WAEC 2004

The nucleus controls the activities of the cell because it

A. Synthesize hormones
B. Is like a brain in the cell
C. Uses DNA to synthesize enzymes which are used in cell metabolism
D. Sends out nervous impulses to ensure the functioning of the cytoplasm.

Question 878:

• WAEC 2004

The process by which a drop of ink spreads uniformly in a beaker of water is called

A. Absorption
B. Osmosis
C. Plasmolysis
D. Diffusion

Question 879:

• WAEC 2004

When a person’s urine contains a high concentration of urea, it could be the result of

A. A drop in body temperature
B. Having diabetes mellitus
C. Eating a meal rich in protein
D. Drinking a large amount of water

Question 880:

• WAEC 2004

How many conjugants are involved in sexual reproduction of paramecium

A. 1
B. 2
C. 4
D. 8