FORM AND FUNCTIONS - Jamb Biology Past Questions and Answers

Question 426:

• JAMB 1991

Sources of air pollutants are

A. Industrial chimneys, burning fossil oils and river dam
B. Sulphur dioxide, acid rain and pesticides
C. Sulphur mines, vehicle exhausts and aerosols
D. Sewage, smoke and old vehicle

Question 427:

• JAMB 1991

Nitrogen- fixing micro-organisms in leguminous plants live symbiotically in the

A. Root nodules
B. Tap root
C. Branch roots
D. Root hairs

Question 428:

• JAMB 1991

The structure labelled 4 is for

A. Feeding
B. Attachment
C. Excretion
D. Respiration

Question 429:

• JAMB 1991

In the digestive system, absorption of nutrient into the blood takes place in the part labelled

A. 1
B. 2
C. 3
D. 4

Question 430:

• JAMB 1992

The organelle involved in tissue respiration is the

A. Endoplasmic reticulum
B. Ribosome
C. Golgi body
D. Mitochondrion