Jamb Biology Past Questions and Answers

Question 36:

• 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 37:

• JAMB 2019

A germinating seed requires oxygen which is essential for

A. The production of energy by oxidising essential carbonhydrate
B. Converting carbonhydrate into glucose
C. Transporting energy from part of the plant to another
D. The formation of water molecules within the germinating seed
E. Hydrolysis of protein

Question 38:

• JAMB 2019

Which of these products obtained from analyzing sweat from skin is not an excretory product?

A. Salt
B. Water
C. Urea
D. Dust
E. Urates

Question 39:

• JAMB 2019

In a breeding program a cross was made between two true breeding cow-pea types: one with round seeds and the other with wrinkled seed. If roundness is dominant why wrinkleness is recessive, in the first filial generation all the seeds produced will be

A. 50% wrinkled, 50% round
B. 75% wrinkled, 25% round
C. 100% round
D. 100% wrinkled
E. 25% wrinkled, 75% round

Question 40:

• JAMB 2019

All living organism

A. Photosynthesize
B. Move
C. Feed
D. Transpire
E. Respire