Waec Biology 2011 Past Questions and Answers

Question 6:

• WAEC 2011

If Amoeba is placed in a salt solution. the contractile vacuoles would

A. Be bursting more frequently
B. Be more numerous
C. Be formed less frequently
D. Grow bigger before they burst

Question 7:

• WAEC 2011

In which of the following habitats is Paramecium no found

A. Pond
B. Aquarium
C. Lake
D. Puddle

Question 8:

• WAEC 2011

The following processes are involved in water movement in the endodermis except

A. Osmosis
B. Vacuolar pathway
C. Diffusion
D. Active transport

Question 9:

• WAEC 2011

Cells that utilise a lot of energy are characterized by the presence of a large number of

A. Vacuoles
B. Mitochondria
C. Endoplasmic reticulum
D. Ribosomes

Question 10:

• WAEC 2011

The part labelled II in the diagram is

A. Centriole
B. Chloroplast
C. Chromatid
D. Tonoplast