NECO Biology Past Questions & Answers - Page 35

171.

Simple sugars are also called

A.

cellulose

B.

disaccharides

C.

monosaccharides

D.

polysacchaiides

E.

starch

Correct answer is C

No explanation has been provided for this answer.

172.

Which of these is NOT a method of improving crop yield?

A.

spraying the crops with chemicals

B.

mechanized farming

C.

sowing pest resistant varieties of seeds

D.

storing the crops in barns or silos

E.

sowing of viable seeds

Correct answer is D

No explanation has been provided for this answer.

173.

Food wastage is caused by the following EXCEPT

A.

attack of moulds on farm crops

B.

lack of access roads

C.

lack of transportation

D.

poor harvesting methods

E.

proper storage

Correct answer is E

No explanation has been provided for this answer.

174.

Stunted growth and reduced yield in cassava plant is as a result of a disease called

A.

blight

B.

leaf curl

C.

leaf spot

D.

mosaic

E.

smut

Correct answer is D

No explanation has been provided for this answer.

175.

A population can be referred to as the number of

A.

adult organisms in an ecosystem

B.

female species in an ecosystem

C.

male species in an ecosystem

D.

organisms of same species in an ecosystem

E.

organisms that can withstand harsh conditions

Correct answer is D

No explanation has been provided for this answer.