WAEC Biology Past Questions & Answers - Page 230

1,146.

Which of the following food substances turns bright red when warmed with suddan III solution

A.

Starch

B.

Reducing sugar

C.

Protein

D.

Fat

Correct answer is D

No explanation has been provided for this answer.

1,147.

The sudden change in a gene structure or chromosome number in an organism likely to cause an inheritable change in the phenotype is known as

A.

migration

B.

mutation

C.

mitosis

D.

meiosis

Correct answer is B

No explanation has been provided for this answer.

1,148.

A balanced meal for an adult person may consist of

A.

two pieces of chicken, four balls of bean cake, two eggs and two cups of tea with milk

B.

four slices of bread, one bowl of pap, two oranges and two bananas

C.

four slices of yam and stew, two pieces of beef, one cup of tea with milk and two oranges

D.

a plate of beans, two pieces of meat, two eggs, one cup of tea with milk and two oranges

Correct answer is C

No explanation has been provided for this answer.

1,149.

The observable characteristics of an individual usually resulting from the interaction between the gene composition and the environment is referred to as

A.

allele

B.

genotype

C.

phenotype

D.

chromosome

Correct answer is C

No explanation has been provided for this answer.

1,150.

Vitamin E is concerned with

A.

bone formation

B.

reproduction

C.

normal growth

D.

formation of red blood cells

Correct answer is B

No explanation has been provided for this answer.