NECO Biology Past Questions & Answers - Page 34

166.

The end product of glycolysis is

A.

acetic acid

B.

citric acid

C.

ketoglutaric acid

D.

oxaloacetic acid

E.

pyruvic acid

Correct answer is E

No explanation has been provided for this answer.

167.

Mealy bugs are pests of

A.

cassava

B.

cotton

C.

maize

D.

rice

E.

yam

Correct answer is A

No explanation has been provided for this answer.

168.

Which of the following is NOT a characteristic of digestive enzymes?

A.

changes in pH affect enzymes

B.

enzymes react best at high temperature

C.

enzymes react reversibly

D.

they are affected by intake of poisons

E.

they are protein in nature

Correct answer is B

No explanation has been provided for this answer.

169.

Blood groups and tongue rolling are examples of

A.

continuous variation

B.

discontinuous variation

C.

variation due to environment

D.

adaptive variation

E.

sex-linked variation

Correct answer is B

No explanation has been provided for this answer.

170.

Plants that are found in extreme dry conditions are called

A.

epiphytes

B.

hydrophytes

C.

mesophytes

D.

thallophytes

E.

xerophytes

Correct answer is E

No explanation has been provided for this answer.