Pollination and fertilization - Jamb Biology Past Questions and Answers

Question 1:

• JAMB 2019

Which of these is not a characteristics of a wind pollinated flowers?

A. A smaller quantities of sticky pollen produce
B. Small inconspicuous scentless flower
C. Large anthers which are loosely attached to the filament
D. Light pollen grains produced in large quantities from the anthers
E. Feathery styles of stigmas pendulously hang outrside the flower

Question 2:

• JAMB 1978

Which of these is not a characteristics of a wind pollinated flowers?

A. A smaller quantities of sticky pollen produce
B. Feathery styles of stigmas pendulously hang outrside the flower
C. Small inconspicuous scentless flower
D. Large anthers which are loosley attached to the filament
E. Light pollen grains produced in large quantities from the anthers

Question 3:

• JAMB 1979

Which of these statement below is not a characteristic of wind pollinated flower?

A. Stigmas are usually large and feathery
B. Nectar is usually absent
C. The pollen grains have rough spiny surfaces
D. The flowers are not scented
E. The pollen is light and smooth

Question 4:

• JAMB 1981

Which of the following is NOT true of wind-pollinated flowers?

A. A large amount of pollen produced
B. Light smooth pollen grains
C. Small inconspicuous flowers
D. Scented petals
E. Large pendulous anther

Question 5:

• JAMB 1985

For pollen to be released in Crotalaria the insect must depress the

A. Wing
B. Keel
C. Standard
D. Antepetalous stamen
E. Antesepalous stamen