Assertion: Pinus is monoecious.
Reason: Each sporophyll bears only one microsparangia.

Options

A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B. If both assertion and reason are true but the reason is not a correct explanation of the assertion
C. If the assertion is true but the reason is false
D. If both the assertion and reason are false

Answer

c

Explanation

Pinus is monoecious as it bears both types of cones on the same tree on separate branches. The male cone consists of a number of small spirally arranged microsporophylls. Each microsprocphyll bears two microsporangia or pollen sacs as swelling on the lower surface of its horizontal position.