Waec Biology Past Questions and Answers

Question 701:

• WAEC 2001

The structure that produces ATP is labelled

A. VII
B. V
C. VI
D. I

Question 702:

• WAEC 2001

The structure labelled V is the

A. Cell wall
B. Nucleus
C. Endoplasmic reticullum
D. Mitochondrion

Question 703:

• WAEC 2001

The major function of the cell membrane is that it

A. Delimits the cytoplasm
B. Synthesizes protein
C. Breaks down worn-out organelles
D. Is the site for photosynthesis

Question 704:

• WAEC 2001

Carbohydrates are stored in the animal cell in the form of

A. Starch
B. Glycogen
C. Plastid
D. Maltose

Question 705:

• WAEC 2001

A piece of yam weighing 1.0 gm was put into some salt solution. After 3 hours, it was removed and weighed.
The recorded weight was 1.2gms. This simple experiment demonstrates that the

A. Salt solution is more concentrated than the cell sap of the yam.
B. Cell sap of the yam is more concentrated than the salt - solution
C. Salt solution has the same concentration as the cell sap of the yam.
D. The yam lost some water molecules to the salt solution.