Q935
Consider the following statements and choose the correct answer: 1. In angiosperms the pollination consists of transference of the pollen grains from the anther to the stigma either by self-pollination or by cross-pollination 2. Pollen grain is shed from the pollen sac in the two-celled stage 3. The exine of each microspore grows out into a tube, called the pollen tube 4. The growth of pollen tube is stimulated by sugary substances secreted by the stigma
A.
Only 1, 2 and 3 are true
B.
Only 1, 3 and 4 are true
C.
Only 1, 2 and 4 are true
AnswerD.
1, 2, 3 and 4 are true
Answer: Option C
Solution
Answer: Option C
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