Post Utme Abia State University Biology Past Questions and Answers

Question 16:

The type of reproduction that leads to variation in animal and plant populations is ____________

A. Budding
B. Vegetable
C. Asexual
D. Sexual

Question 17:

If a DNA strand has a base sequence TCA, its complementary strand must be ____________

A. ATG
B. GAT
C. AGT
D. TAG

Question 18:

Which of the following requires the use of carbon dating to prove that evolution has occurred?

A. Biochemical similarities
B. Molecular records
C. Fossil records
D. Comparative anatomy

Question 19:

The presence of sunken stomata and the folding of leaves are adaptations for ____________

A. Prevent entry of pathogens
B. Prevent guttation
C. Remove excess water
D. Reduce water loss

Question 20:

Spines and shells on animals are adaptations for ____________

A. Physical defence
B. Camouflage
C. Chemical defence
D. Mimicry