Waec Biology 1995 Past Questions and Answers

Question 56:

• WAEC 1995

The pair of genes expressed in a heterozygous individual is described as

A. Allele
B. Chromatid
C. Dominant gene
D. Centrosome
E. Chromomere

Question 57:

• WAEC 1995

The following structures are adaptation for water conservation except

A. Sunken stomata
B. Scales in animals
C. Lenticels in stems
D. Spines in plants
E. Thick leaves

Question 58:

• WAEC 1995

The following structures are adaptation for water conservation except

A. Sunken stomata
B. Scales in animals
C. Lenticels in stems
D. Spines in plants
E. Thick leaves

Question 59:

• WAEC 1995

Which of the following ecological factors causes food shortage?

A. Low rate of reproduction
B. Emigration
C. Drought
D. Topography
E. Wind direction

Question 60:

• WAEC 1995

Density, mortality rate, birth rate are the factors that affect

A. Population
B. Dominance
C. Cover
D. Habitat
E. Abiotic community