Waec Biology 2016 Past Questions and Answers

Question 11:

• WAEC 2016

The steps below are involved in the testing of a leaf for starch. Study them carefully and answer the question
The CORRECT order for the test is

A. I, II, III and IV
B. I, III, II and IV
C. II, III,, I and IV
D. III, I, II and IV

Question 12:

• WAEC 2016

The best time to pluck the leaf for the experiment is

A. After being exposed to sunlight
B. Three hours after sunset
C. Before sunrise
D. Six hours after sunset

Question 13:

• WAEC 2016

The best time to pluck the leaf for the experiment is

A. After being exposed to sunlight
B. Three hours after sunset
C. Before sunrise
D. Six hours after sunset

Question 14:

• WAEC 2016

In which of the plant tissues are guard cells located?

A. Epidemis
B. MesophyII
C. Vascular bundles
D. Meristems

Question 15:

• WAEC 2016

The association between two organisms in which one of the organisms gains and the other loses is referred to as

A. Saprophytism
B. Commensalism
C. Mutualism
D. Parasitism