WAEC Biology Past Questions & Answers - Page 239

1,191.

The unit contained in a cell structure responsible for changes in form and shape of organisms is called

A.

mitochondria

B.

gene

C.

ribosome

D.

lysosome

Correct answer is B

No explanation has been provided for this answer.

1,192.

A community is best described as

A.

living things in a habitat interacting with the non-living part of the environment

B.

the total number of individuals of one species of organisms living in a particular habitat

C.

populations of different species living together and interacting with each other in one habitat

D.

the individuals of a particular group living together in an area and sharing the same resources

Correct answer is C

No explanation has been provided for this answer.

1,193.

The impedance of the concentration of chloroplast in the palisade layer of the leaf is for maximum exposure to

A.

carbon dioxide

B.

light

C.

water

D.

oxygen

Correct answer is B

No explanation has been provided for this answer.

1,194.

Filaments of Spirogyra placed in a beaker of water in a dark cupboard died because

A.

the filaments could not photosynthesize

B.

conjugation could not take place

C.

the temperature was too high

D.

the plant was overflooded

Correct answer is A

No explanation has been provided for this answer.

1,195.

Analysis of the gut content of an animal showed that it contained small pieces of bone, seeds. roughages and insects. The animal is likely to be a/an

A.

carnivore

B.

herbivore

C.

insectivore

D.

omnivore

Correct answer is D

No explanation has been provided for this answer.