JAMB Biology Past Questions & Answers - Page 332

1,656.

Malaria symptoms are caused by

A.

toxins released into the blood as a result of the destruction of red blood cell

B.

the multiplication of the malaria sporozoites in the liver

C.

the invasion of the red blood cells by the trophozoites

D.

the development of merozoites into gametocytes

Correct answer is B

Once you're bitten by the female anopheles, the parasite enters the bloodstream and travels to the liver. The infection develops in the liver before re-entering the bloodstream and invading the red blood cells.

1,657.

The soil with the finest particles is called

A.

silt

B.

clay

C.

sand

D.

gravel

Correct answer is B

No explanation has been provided for this answer.

1,658.

Mangrove swamps can be found 

A.

on a seashore with flat terrains

B.

where a river meets the sea

C.

on a mud flat near the sea

D.

where two rivers meet

Correct answer is B

No explanation has been provided for this answer.

1,659.

In a typical predator food chain involving secondary and tertiary consumers, the organism becomes progressively

A.

smaller and more numerous along the food chain

B.

equal in number and size along the food chain

C.

larger and fewer along the food chain

D.

parasitized along the food chain as consumers get bigger

Correct answer is C

No explanation has been provided for this answer.

1,660.

A population is defined as a collection of similar organism that

A.

behave in the same way

B.

interbreed freely

C.

are found in the same habitat

D.

eat the same food

Correct answer is C

No explanation has been provided for this answer.