Waec Biology Past Questions and Answers

Question 2011:

• WAEC 2020

The diagram below is an illustration of a part of a flower. Study it and answer the question below;

The function of the part labeled I is

A. Receiving the pollen grain
B. Passage for the male gamete to the ovary
C. Germination of the pollen grain
D. Site for double fertilization in the plant

Question 2012:

• WAEC 2020

Which of the following tissues does not provide support in flowering plants?

A. Collenchyma
B. Parenchyma
C. Xylem
D. Phloem

Question 2013:

• WAEC 2020

The diagram is an illustration of an experimental set-up. Study it and answer the question;
The set-up directly measure



A. Transpiration of water by the shoot
B. Evaporation of water from the leaves
C. Absorption of water by the shoot
D. Loss of mineral salts from the leaves

Question 2014:

• WAEC 2020

The diagram below is an illustration of an experimental set-up. Study it and answer the question below;

The set-up can measure comparatively the rae of

A. Evaporation from leaves on a single shoot under different experimental conditions
B. Salt uptake by shoots from different plants
C. Transpiration of a single shoot of a plant under different experimental conditions
D. Water uptake by roots of different plants

Question 2015:

• WAEC 2020

The respiratory organ of a cockroach

A. Air sac
B. Trachea
C. Lung book
D. Lung