Waec Biology Past Questions and Answers

Question 1526:

• WAEC 2013

(a) Describe the carbon cycle.
(b) State the functions of:
(i) nitrogen fixing bacteria
(ii) nitrifying bacteria
(iii) denitrifying bacteria; in nature.

Question 1527:

• WAEC 2014

The excretory product in protozoans is

A. Amino acid
B. Uric acid
C. Ammonia
D. Urea

Question 1528:

• WAEC 2014

The excretory product in protozoans is

A. Amino acid
B. Uric acid
C. Ammonia
D. Urea

Question 1529:

• WAEC 2014

Which of the following is a living organism?

A. Muscle
B. Nucleus
C. Yeast
D. Mitochondrion

Question 1530:

• WAEC 2014

Which of the following organisms is the most specialized ?

A. Paramecium
B. Amoeba
C. Spirogyra
D. Rhizopus