Waec Biology 2017 Past Questions and Answers

Question 41:

• WAEC 2017

Which of the following practices is not used in conserving water?

A. Afforestation
B. Damming
C. Deforestation
D. Reforestation

Question 42:

• WAEC 2017

Which of the following resources cannot be renewed?

A. Air
B. Petroleum
C. Food crop
D. Soil

Question 43:

• WAEC 2017

The type of variation illustrated above is

A. Continuous variation
B. Discontinuous variation
C. Morphological variation
D. Environmental variation

Question 44:

• WAEC 2017

Which of the following characters is not a morphological variation?

A. Shape of the nose
B. Colour of skin
C. Colour of hair
D. Tongue rolling

Question 45:

• WAEC 2017

An apple plant can produce sexually and asexually and it has 40 chromosomes in its leaf cells. How many chromosomes would be in each gamete and somatic cell?

A. 20 chromosomes in the gametes and 10 in the somatic cells
B. 40 chromosomes in the gametes and 20 in the somatic cells
C. 20 chromosomes in the gametes and 40 in the somatic cells
D. 40 chromosomes in the gametes and 40 in the somatic cells