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Question
The ______ collect the pollen grains.
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Solution
The stigma collect the pollen grains.
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When a seed of orange is squeezed, many embryos, instead of one are observed. Explain how it is possible.
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The pollen grains represent the ________.
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The ______ is the base of the flower to which other floral parts are attached.
Match the column.
| Column - I (Structure before seed formation) |
Column - II (Structure after seed formation) |
||
| A. | Funiculus | I. | Hilum |
| B. | Scar of ovule | II. | Tegmen |
| C. | Zygote | III. | Testa |
| D. | Inner integument | IV. | Stalk of seed |
| V. | Embryo | ||
The plant part which consists of two generations, one within the other-
- Pollen grains inside the anther.
- Germinated pollen grain with two male gametes.
- Seed inside the fruit.
- Embryo sac inside the ovule
Choose the correct option.
In true polyembryony, where do multiple embryos develop?
Which embryo sac cells can develop into embryos other than the egg cell in polyembryony?
Which of the following is an example of sporophytic cell activation polyembryony?
Which type of polyembryony involves derivatives of two or more megaspore mother cells (MMCs)?
