Jamb Biology 2006 Past Questions and Answers

Question 11:

• JAMB 2006

Which of the following produces both hormones and enzymes

A. Lleum
B. Pancreas
C. Gall bladder
D. Kidney

Question 12:

• JAMB 2006

The mammalian vein which starts with and ends in a capillary network is the

A. Pulmonary vein
B. Mesenteric vein
C. Renal vein
D. Hepatic potal vein

Question 13:

• JAMB 2006

In the transverse of a dicot sperm, the region lying between the endodermis and the vascular bundle is the

A. Parenchyma
B. Pericycle
C. Phloem
D. Hypodermis

Question 14:

• JAMB 2006

The two normal types of sex chromosomes are

A. XXY and XYY
B. XX and XYY
C. XY and XXY
D. XXand XY

Question 15:

• JAMB 2006

One advantage of variation in a species population is that individuals

A. With favoured traits become dominant
B. Easily reach their reproductive age
C. Are easily recognised by mates
D. Are better adapted to changes