5
Question
Compound pollen grains occur in ______________.
Compound pollen grains occur in ______________.
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Solution
The correct option is C Juncus or Cryptostegia
Failure of the pollen grains to separate
from the tetrads is the cause for the formation of compound pollen grains and
they occur in more than 56 families of angiosperms. The microspores are separated from the tetrads into individual pollen grains. But in some cases as in Juncus and Cryptostegia,
the microspores do not separate from each other and hence compound pollen
grains are formed.
The correct
option is C.
Failure of the pollen grains to separate from the tetrads is the cause for the formation of compound pollen grains and they occur in more than 56 families of angiosperms. The microspores are separated from the tetrads into individual pollen grains. But in some cases as in Juncus and Cryptostegia, the microspores do not separate from each other and hence compound pollen grains are formed.
The correct option is C.
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