JAMB Past Questions and Answers - Page 1048

5,236.

A river loses energy and may deposit some of its load if?

A.

its bed and banks become smoother

B.

its discharge increases

C.

its gradient decreases

D.

it becomes narrow and deep

Correct answer is C

No explanation has been provided for this answer.

5,237.

The progressive widening of joints and cracks in limestone by solutions, initially leads to the formation of?

A.

grikes and clints

B.

stalactities and stalagmites

C.

caves and caverns

D.

cliff and dry valleys

Correct answer is A

No explanation has been provided for this answer.

5,238.

Variations in the lengths of day and night over the earth's surface are due to the?

A.

earth's inclination to the sun and its revolution

B.

earth's inclination to the sun and its rotation

C.

length of the earth's orbit

D.

thickness of the earth's atmosphere

Correct answer is A

No explanation has been provided for this answer.

5,239.

The latitude which marks the lines of the sun's apparent movement north and south of the equator is?

A.

66 1/2°

B.

60 1/2°

C.

45 1/2°

D.

23 1/2°

Correct answer is A

No explanation has been provided for this answer.

5,240.

A traveller from South America, on crossing the International Date Line to Asia at 12 noon on Tuesday, would sail into?

A.

Monday noon

B.

Tuesday noon

C.

Wednesday noon

D.

Wednesday mid-night

Correct answer is C

No explanation has been provided for this answer.