Jamb Biology 2007 Past Questions and Answers

Question 16:

• JAMB 2007

In mammals, the organ directly on top of the kidney is the

A. Thyroid gland
B. Adrenal grand
C. Pancreas
D. Prostate gland

Question 17:

• JAMB 2007

The photosynthetic pigments include

A. Chlorophll and carotenoids
B. Chloroplasts and cytochromes
C. Melanin and haemoglobin
D. Carotenoids and haemoglobin

Question 18:

• JAMB 2007

Monocot stem differ from dicot stems in that monocot have

A. No cambium
B. No pith
C. Fewer vascular bundles
D. Phloems with parenchyma

Question 19:

• JAMB 2007

The opening and closing of the stoma are regulated by

A. Transpiration
B. Respiration
C. Diffusion
D. Osmosis

Question 20:

• JAMB 2007

Stunted growth and poor root development are a result of a deficiency in

A. Sulpur
B. Phosphorus
C. Calcium
D. Iron