Jamb Biology 1994 Past Questions and Answers

Question 16:

• JAMB 1994

The phloem parenchyma is sometimes used for

A. Food storage
B. Supporting the stem
C. Production of the sieve tube
D. Transporting water

Question 17:

• JAMB 1994

The process by which a red blood cell placed in distilled water absorbs water until it burst and releases its contents into the surrounding is known as

A. Osmosis
B. Plasmolysis
C. Turgidity
D. Haemolysis

Question 18:

• JAMB 1994

The most appropriate title for the set up is

A. Quantitative measurement of respiration in plants and animals
B. Measurement of respiratory rates in living organisms
C. Comparison between photosynthesis and respiration
D. Comparison of respiratory rates in plants and animals

Question 19:

• JAMB 1994

The part labelled j is called

A. Porosimeter
B. Potometer
C. Manometer
D. Auxanometer

Question 20:

• JAMB 1994

A circulatory system that does not allow mixing of oxygenated and de-oxygenated blood in mammalian heart is referred to as

A. Open
B. Haemocoelic
C. Single
D. Closed