Question

18. A. Siphonogamy is found in Pinus.
B. Stem branches are monomorphic in Pinus.
(1) A and B are incorrect
(2) Only A is correct
(3) Only B is correct
(4) A and B are correct​

Answer 1

Answer:

a and b both are correct

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Answer 2

A. Siphonogamy is found in Pinus.

B. Stem branches are monomorphic in Pinus.

Option: (4) A and B are correct

Explanation:  

• Siphonogamy is a process where the pollen tube are much more developed and as a result the pollen containing the male cells migrate towards the egg to get fertilized.  

• In other animals the egg comes in contact with the pollen. This is true for pinus plants. Pinus reproduces by sexual means.  

• In case of pinus the stems have branches that are monomorphic that is they exhibit only one type of form. As both the options are correct option d is the appropriate answer.

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