Root - 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 1979

One significant difference between roots and stem is that

A. Branch roots originate in the pericycle while stem do not
B. Stems are always bove the ground while root are always below the ground
C. Stems are positively geotropic while roots are negatively geotropic
D. Stem are sometime used for storage while roots are never used
E. Stems grow in both length and circumference while root grow only in length

Question 3:

• JAMB 1981

Where is the food stored in yam plant?

A. Stem
B. Bud
C. Adventitous root
D. Leaves
E. Tap root

Question 4:

• JAMB 1981

Which of the following instruments is used to demonstrate the response of roots and shoots to gravity?

A. Klinostat
B. Manometer
C. Porometer
D. Potometer
E. Photometer

Question 5:

• JAMB 1983

Root hairs are developed from the

A. Root apex
B. Epidermis of root
C. Vascular bundles
D. Endodermis
E. Pericycle