Post Utme Biology Past Questions and Answers

Question 1141:

Respiratory surfaces generally have the following characteristics with the exception of ____________

A. It must be thick but permeable
B. It must be moist
C. It must possess a large surface area
D. It must be richly supplied with blood vessels

Question 1142:

Which of these components of the phloem has its cytoplasm pushed to the sides while also lacking nucleus?

A. Companion cell
B. Sieve tube elements
C. Sieve plate
D. Parenchyma

Question 1143:

Which of the following statements about phylum Cnidaria is correct?

A. They are diploblastic animals
B. Body is sac-shaped with three openings
C. They are bilaterally symmetrical
D. They are triploblastic animals with two openings

Question 1144:

Which of these is not a water soluble vitamin?

A. Thiamine
B. Riboflavin
C. Folic Acid
D. Calciferol

Question 1145:

The mechanism of opening and closing the stomata is associated with the ____________

A. Guard cells
B. Stoma
C. Lenticels
D. Air spaces