WAEC Past Questions and Answers - Page 1772

8,856.

Which of the following statements is not correct? The 4s orbital

A.

is defined by the quantum number 1 = O

B.

is of higher energy than the 3d orbital

C.

contains a maximum of two electrons

D.

is spherical about the nucleus

E.

is filled before the 4p orbital

Correct answer is B

No explanation has been provided for this answer.

8,857.

Farm insurance schemes do not cover losses due to

A.

Inadequate cultural pratices

B.

Heavy pest infestation

C.

Flood

D.

Drought

Correct answer is B

No explanation has been provided for this answer.

8,858.

The supply of farm produce to markets in West Africa is mostly dictated by

A.

Governments

B.

Commodity boards

C.

Climatic conditions

D.

The consumers

Correct answer is D

No explanation has been provided for this answer.

8,859.

In areas where labour is scarce and land is abundant, farmers tend to

A.

Manage dairy animals intensively rather than beef animals

B.

Practice mechanized farming

C.

Maximum returns on land rather than on labour

D.

Employ more hands to work on the land

Correct answer is B

No explanation has been provided for this answer.

8,860.

Which of the following statement is not correct about esterification?

A.

It is a slow reaction

B.

the process is reversible

C.

it is similar to hydrolysis

D.

it is catalysed by acids

E.

the products usually have a fruity smell

Correct answer is C

No explanation has been provided for this answer.