Jamb Biology 1999 Past Questions and Answers

Question 21:

• JAMB 1999

The lymphatic system of mammals rejoins the blood circulatory system at the

A. Hepatic vein
B. Subclavian vein
C. Renal vein
D. Common iliac vein

Question 22:

• JAMB 1999

In dissection, the rib cage of mammal has to be opened in order to expose the

A. Diaphragm
B. Liver
C. Heart
D. Sternum

Question 23:

• JAMB 1999

Fertilization in humans usually takes place in the

A. Lower part of the uterus
B. Upper part of the uterus
C. Lower part of the oviduct
D. Upper part of the oviduct

Question 24:

• JAMB 1999

Insects visit flowers in order to

A. Feed on the nectar
B. Deposit pollen on the stigma
C. Pollinate the flowers
D. Transfer pollen from anthers

Question 25:

• JAMB 1999

In epigeal germination, the cotyledons are

A. Carried above the ground by the elongation hypocotyl
B. Pulled underground by the elongating epicotyl
C. Pulled underground by the elongating epicotyl
D. Carried above the ground by the elongating epicotyl