JAMB Biology Past Questions & Answers - Page 400

1,996.

Which of the following spreads malaria in Nigeria?

A.

Anopheles mosquito

B.

Culex mosquito

C.

Aedes mosquito

D.

Tsetse fly

E.

House fly

Correct answer is A

No explanation has been provided for this answer.

1,997.

In Mucor or Rhizopus carbohydrate is absorb in the form of 

A.

starch

B.

sucrose

C.

glucose

D.

glycogen

E.

arabinose

Correct answer is C

No explanation has been provided for this answer.

1,998.

One significant difference between roots and stem is that

A.

Branch roots originate in the pericycle while stem do not

B.

Stems are always bove the ground while root are always below the ground

C.

Stems are positively geotropic while roots are negatively geotropic

D.

Stem are sometime used for storage while roots are never used

E.

Stems grow in both length and circumference while root grow only in length

Correct answer is A

No explanation has been provided for this answer.

1,999.

Magnesium is utilized in the formation of 

A.

ATP

B.

Glucose

C.

Amino acids

D.

Chlorophyll

E.

Fats

Correct answer is D

No explanation has been provided for this answer.

1,000.

The element nitrogen is utilized in

A.

Formation of ATP

B.

Formation of glucose

C.

Formation of amino acid

D.

Photosynthesis

E.

None of the above

Correct answer is C

No explanation has been provided for this answer.