WAEC Biology Past Questions & Answers - Page 34

166.

The table below shows the number of some organisms in habitats W and Y. Study it to answer the question below:

 

Organism                 Number in the habitat
   habitat W habitat Y
Plankton  126 0
Antelope 0 51
Water flea 10 0
Tilapia 23 0
Lion 0 6
Frog 6 0
Grass 0 250

Which of the following statements about habitat W is correct? The

A.

absence of lions and antelopes shows that the habitat is terrestrial

B.

presence of Tilapia and planktons shows that the habitat is not aquatic

C.

type of organisms present indicate that habitat is aquatic

D.

absence of grasses indicates that the habitat is terrestrial

Correct answer is C

 

167.

 

The table below shows the number of some organisms in habitats W and Y. Study it to answer the question below:

 

Organism                 Number in the habitat
   habitat W habitat Y
Plankton  126 0
Antelope 0 51
Water flea 10 0
Tilapia 23 0
Lion 0 6
Frog 6 0
Grass 0 250

What type of habitat is W?

A.

Rainforest

B.

Pond

C.

Desert

D.

Ocean

Correct answer is B

No explanation has been provided for this answer.

168.

The mutualism type of relationship is different from a parasitic relationship because in mutualism

A.

both organisms involved benefit

B.

none of the organisms benefit or harm each other

C.

both organisms harm each other

D.

only one of the organisms is harmed

Correct answer is A

No explanation has been provided for this answer.

169.

Which of the following statements about a mixture of a protein-digesting enzyme and starch solution would be correct? The protein-digesting enzyme

A.

has no effect on the starch solution

B.

leads to the production of amino acids

C.

leads to the production of glucose

D.

digest the starch

Correct answer is A

No explanation has been provided for this answer.

170.

An example of a trace elements is

A.

potassium

B.

calcium

C.

magnesium

D.

copper

Correct answer is D

No explanation has been provided for this answer.