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

Question 46:

• JAMB 1987

Secondary thickening is initiated in a dicotyledonous stem by the

A. Xylem parenchyma
B. Secondary phloem
C. Endodermis
D. Cambium

Question 47:

• JAMB 1987

The pineapple fruit is best described as

A. Aggregate, succulent and indehiscent
B. Aggregate, succulent and dehiscent
C. Multiple, succulent and indehiscent
D. Multiple, succulent and dehiscent

Question 48:

• JAMB 1987

A flower showing radial symmetry is said to be

A. Pentamerous
B. Protandrous
C. Protogynous
D. Actinomorphic

Question 49:

• JAMB 1988

Which of the following statements gives the BEST description of bark?

A. Tissue outside the vascular cambium
B. Cork-like tissue found only in stems
C. Brown tissue never found in primary growth
D. Cork-like tissues of old trees

Question 50:

• JAMB 1988

In vegetation propagation, which of the following requires part of another plant to develop?

A. Scion
B. Bulb
C. Rhizome
D. Sucker