FORM AND FUNCTIONS - Jamb Biology Past Questions and Answers

Question 631:

• 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 632:

• 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 633:

• 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

Question 634:

• JAMB 1999

The correct sequence for the perception of smell in mammals is

A. Chemicals → olfactory nerve endings → brain
B. Dissolved chemicals → nasal sensory cell → brain
C. Chemicals → mucus membrane → sensory cells→ brain
D. Dissolved chemicals → sensory cells → olfactory nerve → brain

Question 635:

• JAMB 1999

The part labelled III is for

A. Protection
B. Insulation
C. Lubrication
D. Growth