Jamb Biology 2012 Past Questions and Answers

Question 16:

• JAMB 2012

Which of the following is a polysaccharide?

A. Glucose
B. Sucrose
C. Maltose
D. Cellulose

Question 17:

• JAMB 2012

In the kidney of mammals, the site of ultrafiltration is the

A. Uriniferous tubule
B. Bowman's capsule
C. Loop of Henle
D. Renal tubule

Question 18:

• JAMB 2012

Which of the following is involved in secondary thickening in plants?

A. Collenchyma and xylem cells
B. Vascular cambium
C. Cork cambium and sclerenchyma
D. Vascular cambium and cork cambium

Question 19:

• JAMB 2012

An example of a fruit that develops from a single carpel is

A. Okro
B. Tomato
C. Bean
D. Orange

Question 20:

• JAMB 2012

Plant growth can be artificially stimulated by the addition of

A. Gibberellin
B. Kinin
C. Abscisic acid
D. Ethylene