Class 12BiologySexual Reproduction in Flowering PlantsMix Examples-Sexual Reproduction in Flowering Plants
MediumPollen grains can be stored for a long period in $......$ at $......$ $^oC$.
- ALiquid nitrogen,$196$ $^oC$
- BLiquid nitrogen,$-196$ $^oC$
- CLiquid $CO_2$,$186$ $^oC$
- DLiquid $CO_2$,$-186$ $^oC$
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Similar Questions
Identify the mismatch.
How many of the following statements are true about angiosperms?
$A$. The generative cell floats in the cytoplasm of the vegetative cell.
$B$. The stalk of the ovule is called the funiculus.
$C$. Pollen grains are shed at the two-celled stage.
$D$. The embryo sac is diploid.
$E$. The megaspore mother cell towards the chalazal end becomes functional.
$A$. The generative cell floats in the cytoplasm of the vegetative cell.
$B$. The stalk of the ovule is called the funiculus.
$C$. Pollen grains are shed at the two-celled stage.
$D$. The embryo sac is diploid.
$E$. The megaspore mother cell towards the chalazal end becomes functional.
Differentiate between microsporogenesis and megasporogenesis. Which type of cell division occurs during these events? Name the structures formed at the end of these two events.
Easy
View SolutionIdentify the false statement.
Medium
View SolutionIn which type of plants is the senescent phase not clearly defined?
Medium
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