Waec Biology Past Questions and Answers

Question 676:

• WAEC 2000

The abiotic factor which determines the depth to which light penetrates in a pond is

A. Current
B. Turbidity
C. Wind
D. Salinity

Question 677:

• WAEC 2000

Which of the following organisms is a producer?

A. Spirogyra
B. Mucor
C. Rhizopus
D. Yeast

Question 678:

• WAEC 2000

Which of the following groups consists of heterotrophs?

A. Mucor, chlamydomonas and Euglena
B. Spirogyra, Mucor and Mushroom
C. Man, Mucor and Mushroom
D. Man, Maize and Cowpea

Question 679:

• WAEC 2000

Which of the following organisms will not bring about decomposition?

A. Earthworm
B. Bactenum
C. Mould
D. Spirogyra

Question 680:

• WAEC 2000

Which of the following is not released during decay of living matter?

A. Ammonia
B. Oxygen
C. Carbon dioxide
D. Heat energy