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Orchid seeds are...

Orchid seeds are

A

Dumble seeds

B

smallest seeds

C

Longest seeds

D

Reduced seeds

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The correct Answer is:
**Step-by-Step Solution:** 1. **Identify the Question**: The question asks about the characteristics of orchid seeds, specifically which of the given options accurately describes them. 2. **Examine the Options**: The options provided are: - Dumbbell seeds - Smallest seeds - Longest seeds - Reduced seeds 3. **Analyze Orchid Seeds**: - Orchid seeds are known for their extremely small size. They are considered the smallest seeds among flowering plants. - The size of orchid seeds can be as small as 1/300 of an inch or approximately 85 micrometers in length, which is smaller than what can be seen with the naked eye. 4. **Consider Seed Structure**: - Orchid seeds do not contain endosperm, which is a nutrient-rich tissue that typically nourishes the developing embryo in many other seeds. - They also have underdeveloped embryos, which contributes to their small size. 5. **Conclusion**: Based on the analysis, the correct answer is that orchid seeds are the **smallest seeds** among flowering plants. **Final Answer**: Orchid seeds are the smallest seeds. ---
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  1. Germpores in pollen grains in spermatophytes are

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  2. Radical tip is derived from which cell of embryo.

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  3. Orchid seeds are

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  4. How many meiotic division are required to form 100 zygotes in family C...

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  5. Sometimes more than 4 pollen grains are produced from one microspore m...

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  6. The function of pollen tube is

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  7. The total number of nuclei involved in double fertilisation in angiosp...

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  8. Which of the following does not show protogyny?

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  9. Pollination by snails is termed as

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  10. In palynology, we study which of the following?

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  11. In anther wall, which of the following constitutes third layer from ou...

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  12. Aril is

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  13. An ovule with well developed nucellus is called as

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  14. In which of the following plant, pollination occurs by the act of pseu...

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  15. Which of the following is regarded as best contrivances for self polli...

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  16. Select incorrect statement for male gametophyte in angiosperms?

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  17. A ridge like structure called raphe is characteristic of which type of...

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  18. Effect of pollen on the size of fruits is found in and is called as

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  19. S.G. Nawaschin (1898) discovered double fertilization in which of the ...

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  20. Triple fusion is also known as

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