Jamb Biology 1998 Past Questions and Answers

Question 11:

• JAMB 1998

Which of the following structures is capable of producing more tissues in the stem of a herbaceous flowering plant?

A. Epidermis
B. Pericycle
C. Xylem
D. Cambium

Question 12:

• JAMB 1998

The manufacture of carbohydrates by plants takes place only in

A. The leaves
B. The green stems
C. Chlorophyllous parts
D. Flowering plants

Question 13:

• JAMB 1998

In a water culture experiment, a plant showed poor growth and yellowing of the leaves. These may be due to deficiency in

A. Copper
B. Iron
C. Magnesium
D. Calcium

Question 14:

• JAMB 1998

In million's test, when the reagent is added to a protein food item, a white precipitate is produced which turns

A. Blue on heating
B. Yellow on heating
C. Green on heating
D. Red on heating

Question 15:

• JAMB 1998

Regulation of blood sugar level takes place in the

A. Pancreas
B. Iluem
C. Liver
D. Kidney