Biology 2019 Waec Past Questions and Answers

Question 6 :

• WAEC 2019

Which of the following factors is not a source of variation in living organisms?

A. Environment
B. Inheritance
C. Mitosis
D. Meiosis

Question 7 :

• WAEC 2019

Individuals with blood group AB can donate blood to individuals with blood group(s) ___________?

A. A and B
B. A and O
C. AB only
D. O only

Question 8 :

• WAEC 2019

The diagram above is an illustration of a process occurring in a living animal cell. Study it and answer this question

The process occurs in the ____________

A. Nucleus
B. Mitochondrion
C. Golgi body
D. Cytoplasm

Question 9 :

• WAEC 2019

The process is called ____________

A. Replication
B. Cell maturation
C. Crossing over
D. Mutation

Question 10 :

• WAEC 2019

Which of the following nucleotides is not found in the DNA molecules?

A. Adenine
B. Cytosine
C. Guanine
D. Uracil