Waec Biology 1998 Past Questions and Answers

Question 41:

• WAEC 1998

Hydra feeds by

A. Digesting its food extra cellularly
B. Absorbing food digested by other organisms
C. Symbiotic association
D. Masticating the food particles
E. Synthesising its food chemically

Question 42:

• WAEC 1998

Which of the following contains a reducing sugar?

A. Milk
B. Cassava
C. Grapefruit
D. Beans
E. Plantain

Question 43:

• WAEC 1998

Which of the following instrument can be used to measure relative humidity?

A. Anemometer
B. Hygrometer
C. Wind gauge
D. Barometer
E. Thermometer

Question 44:

• WAEC 1998

In a food chain, each stage in the chain is a

A. Chain level
B. Web level
C. Consumption level
D. Trophic level
E. Product level

Question 45:

• WAEC 1998

The diagram above illustrates

A. The size of various organisms
B. Types of organisms in a habitat
C. The flow of energy in a habitat
D. The hierarchy of organisms in a habitat
E. The food chain