Waec Biology Past Questions and Answers

Question 341:

• WAEC 1994

Which of the following determines a normal male offspring?

A. X
B. Y
C. XX
D. XY
E. YY

Question 342:

• WAEC 1994

What is the theoretical probability that a normal male child will be born?

A. 1\2
B. 1\4
C. 1\3
D. 1
E. 2\3

Question 343:

• WAEC 1994

Which of these is not part of the appendicular skeleton?

A. Clavicle
B. Vertebral column
C. Scapula
D. Femur
E. Humerus

Question 344:

• WAEC 1994

Which of the following factors does not control population growth?

A. Food shortage
B. Emigration
C. Abundance of food
D. Predation
E. Natural disaster

Question 345:

• WAEC 1994

The following conditions form the basis of competition in a habitat except

A. Food
B. Space
C. Reproductive mate
D. Light
E. Body structure