Waec Biology 2020 Past Questions and Answers

Question 11:

• WAEC 2020

A child that can receive blood donation from anybody belongs to the blood group

A. O
B. A
C. B
D. AB

Question 12:

• WAEC 2020

Variation which exhibits a wide range from one extreme to the other is

A. Phenotypic variation
B. Discontinuous variation
C. Continuous variation
D. Genotypic variation

Question 13:

• WAEC 2020

Measurements of height and weight of students in a class show

A. Discontinuous variation
B. Continuous variation
C. Shortness is more prevalent
D. Fatness is less prevalent

Question 14:

• WAEC 2020

Which of the following statements about chromosomes is correct?

A. All the chromosomes of a species are the same shape
B. The number present in a specie is constant
C. They are neatly arranged in a cytoplasm
D. They bear ribosomes on their outer membranes

Question 15:

• WAEC 2020

Which of the following diseases can be inherited ?

A. Pneumonia
B. Whooping cough
C. Sickle cell anemia
D. Malaria