WAEC Biology Past Questions And Answers - Biology

Waec Biology Questions

Question 641:

Which of the following statements is incorrect about diffusion?

A It involves degradation of soluble particles in solvents
B It occurs mainly in gaseous and liquid media
C No membrane is needed to effect the movement of molecules
D Molecules move from region of lower concentration to that of higher concentration.

Question 642:

In which of the following organisms is ammonia excreted as a waste product?

Question 643:

The following are the functions of supporting tissues in plant except

Question 644:

Which of the following organisms has the largest surface area-to-volume ratio?

Question 645:

Which of the following plant parts does not perform supportive function?