Growth - Jamb Biology Past Questions and Answers

Question 1:

• JAMB 2019

A plant which grows on another plant without apparent harm to the host plant is called

A. An epiphyte
B. A saprophyte
C. A parasite
D. A predator
E. A hermaphrodite

Question 2:

• 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 3:

• JAMB 1978

A germinating seed requires oxygen which is essential for

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

Question 4:

• JAMB 1980

Water is required for seed germination to take place because it

A. Activates the enzymes
B. Softens the testa
C. Liberates energy for growth
D. Permits radicle growth
E. Allow oxygen to diffuse into the seed

Question 5:

• JAMB 1981

Growing yam tendrils climb for support. This growth response is

A. Haptotropism
B. Geotropism
C. Phototropism
D. Hydrotropism
E. Chemotropism