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Question
Fill in the blank:
The pollen grains represent the ________.
Fill in the Blanks
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Solution
The pollen grains represent the male gametophyte.
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RELATED QUESTIONS
Why are some seeds referred to as apomictic seeds?
Define Apomixis.
Answer the following question.
When a seed of orange is squeezed, many embryos, instead of one are observed. Explain how it is possible.
Fill in the blanks:
The ______ are coloured to attract the insects that carry the pollen. Some flowers also produce ______ or ______ that attracts insects.
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The whorl ________is green that protects the flower until it opens.
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 | ||
Give an account of polyembryony.
The occurrence of two or more embryos in one ovule is called ______
Adventive polyembryony in citrus is due to ______.
Explain following term:
Polyembryony
