Internal structure of a flowering plant - Jamb Biology Past Questions and Answers

Question 16:

• JAMB 1981

A fruit formed from a single flower having several free carpels is

A. A multiple fruit
B. A dry dehiscent fruit
C. A dry indehiscent fruit
D. A simple fruit
E. An aggregate fruit

Question 17:

• JAMB 1981

If the anthers of a flower mature before the stigma, the condition is termed

A. Epigyny
B. Hypogyny
C. Protogyny
D. Protandry
E. Perigyny

Question 18:

• JAMB 1981

A plant which has a horizontal underground stem is

A. Rhizome
B. Corm
C. Creeper
D. Tuber
E. Bulb

Question 19:

• JAMB 1982

An onion bulb stores its food in the

A. Stem
B. Leaves
C. Roots
D. Cotyledon
E. Branches

Question 20:

• JAMB 1982

Roots of plants are normally

A. Positively phototropic
B. Negatively geotropic
C. Negatively hydrotropic
D. Positively hydrotropic
E. Negatively chemotropic