Waec Biology 1999 Past Questions and Answers

Question 51:

• WAEC 1999

Which of the following resources is competed for by organisms in the desert?

A. Light
B. Temperature
C. Oxygen
D. Water

Question 52:

• WAEC 1999

The major types of man’s finger prints do not include

A. Arch
B. Compound
C. Simple
D. Loop

Question 53:

• WAEC 1999

Which of the following is an example of discontinuous variation?

A. Height of students
B. Complexion of beauty contestants
C. Blood groups of patients
D. Weight of weight lifters

Question 54:

• WAEC 1999

Which of the following statements is correct about variation?

A. Offsprings are different from their parents only
B. Offsprings from the same parents look alike
C. Offsprings differ from their ancestors but look like their immediate parents
D. Offsprings differ from their ancestors and from each other

Question 55:

• WAEC 1999

Which of the following statements about sex determination is correct? At fertility

A. The probability of male to female offspring is 1/2
B. The Y chromosome of the father decreases the probability of having a male child to 3/4
C. The xx chromosome of the mother decreases the probability of having a female child to 3/4
D. The vigour of either parents determines the sex of the offspring