Assertion :Pinus is monoecious. Reason: Each saprophyte bears only one microsporangia
A
If both the assertion and the reason are true and the reason is a correct explanation of the assertion
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B
If both the assertion and reason are true but the reason is not a correct explanation of the assertion
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C
If the assertion is true but the reason is false
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D
If both the assertion and reason are false
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Solution
The correct option is C If the assertion is true but the reason is false Pinus is monoecious as it bears both type of cones on the same tree on separate branches. The male cone consists of a number of small spirally arranged micrisporangia or pollen sacs as swelling on the lower suface of its horizontal position .