Post Utme Obafemi Awolowo University Biology Past Questions and Answers

Question 1:

The young shoot of a plant is referred to as ____________

A. Radicle
B. Plumule
C. Bud
D. Branch

Question 2:

The name of a bacterium which derives its energy from oxidizing nitrites into nitrates is ____________

A. Nitrosomonas
B. Azotobacter
C. Ntirobacter
D. Escherichia coli

Question 3:

Potometer is used to measure ____________

A. Rate of osmosis
B. Rate of diffusion
C. Rate of transpiration
D. Turbidity

Question 4:

Meiotic cell division ensures that ____________

A. Many similar cells are produced
B. Chromosome number of cells is halved
C. Cells produced are doubled
D. Cells produced posses the same chromosome number

Question 5:

The stem of young herbaceous plants are kept upright mainly by ____________

A. Osmotic pressure
B. Turgidity
C. Transpiration pull
D. Root pressure