Biology 2011 Jamb Past Questions and Answers

Question 16 :

• JAMB 2011

Use the following information to answer the question below.
I. Test tube containing cane sugar and water . ll. Test tube containing cane sugar and diluted acid. III. Test tube containing cane sugar and its degrading enzyme .
The enzyme involved in the hydrolysis is

A. Rennin
B. Erepsin
C. Sucrase
D. Maltase

Question 17 :

• JAMB 2011

The part of the mammalian ear responsible for the maintenance of balance is the

A. Cochlea
B. Pinna
C. Perilymph
D. Vestibular system

Question 18 :

• JAMB 2011

The path followed by air as it passes through the lungs in mammals is

A. Trachea → bronchi → bronchioles → alveoli
B. Bronchi → trachea → alveoli → bronchioles
C. Trachea → bronchioles → alveoli
D. Bronchioles → alveoli → bronchi →trachea

Question 19 :

• JAMB 2011

The movement response of a cockroach away from a light source can be described as

A. Positive phototaxism
B. Negative phototaxism
C. Negative phototropism
D. Positive phototropism

Question 20 :

• JAMB 2011

The vascular tissues in higher plants are responsible for

A. The movement of food and water
B. Suction pressure
C. Transpiration pull
D. The transport of gases and water