Biology 1980 Jamb Past Questions and Answers

Question 21 :

• JAMB 1980

A green plant growing in a compost pit is feeding

A. Holozoically
B. Parasitically
C. Saprophytically
D. Holophytically
E. In none of the above ways

Question 22 :

• JAMB 1980

The part of the cell solely responsible for respiration is the

A. Nucleus
B. Nucleolus
C. Mitochondria
D. Golgi apparatus
E. Endoplasmic reticulum

Question 23 :

• JAMB 1980

In anaerobic respiration, glucose is converted to one of the following

A. Carbon dioxide and water
B. Carbon dioxide only
C. Carbon dioxide and alcohol
D. Alcohol and water
E. Water and acetic acid

Question 24 :

• JAMB 1980

During excretion of urea there is also a corresponding re-absorption of water into the blood. This re-absorption takes place in the

A. Uriniferous tubules
B. Bowman's capsule
C. Glomerulus
D. Malpighian capsule
E. Renal artery

Question 25 :

• JAMB 1980

If the bark and phloem tissue of a woody shoot are peeled off by ringing, the whole plant will die eventually die because?

A. Water does not reach the leaves
B. Water and salts remained below the ring portion
C. There is a withdrawal of water from the root by soil
D. Manufactured food does not reach the roots
E. The roots store too much water