Waec Biology 1995 Past Questions and Answers

Question 51:

• WAEC 1995

Hereditary variation is best described as

A. Characters transmitted from generation to generation
B. Traits acquired from diseases
C. Characters that show up due to social conditions
D. Traits acquired from habits and environmental conditions
E. Characters that result from physical injuries.

Question 52:

• WAEC 1995

An individual with blood group AB can receive blood from those in blood group(s)

A. AB only B
B. A and B only
C. B only
D. AB and O only
E. A, B, AB and O

Question 53:

• WAEC 1995

The statement that the environment determines which organisms survives to reproduce

A. Explains the theory of acquired characters
B. Supports Jean Lamarck’s theory of use and disuse
C. Supports the idea of survival of the fittest
D. Is refuted by fossil records
E. Implies that organisms modify their environment in order to survive.

Question 54:

• WAEC 1995

Which of the following is a definition of heredity? It is the

A. Non-resemblance of closely related organisms
B. Total absence of parental traits in offspring
C. Absence of variation in organisms
D. Transfer of characteristics from parents to offspring
E. Cause of infant mortality.

Question 55:

• WAEC 1995

Which of the following is not a reason why an offspring looks different from its parents?

A. Random reorganisation of chromosome during gamete formation
B. Existence of multiple alleles in organisms
C. Formation of chasmata in chromatids during meiosis
D. Mutation which gives rise to new combination of gene
E. Mitosis of the zygote produces new combination of chromosomes