Q.

In dicots the pollen-grains possess :

A. two germ pores
B. three germ pores
C. four germ pores
D. one germ pore
Answer» B. three germ pores
Explanation: Pollen grains of monocots have one opening, while pollen grains of dicots have three openings. Pollengrains can be monocolpate (having one germ pore called germinal furrow e.g., monocots), bicolpate (2 germ pores) and tricolpate (3 germ pores e.g., dicots).
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