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In how many classes angiosperms are divi...

In how many classes angiosperms are divided?

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**Step-by-Step Solution:** 1. **Understanding Angiosperms**: Angiosperms are commonly known as flowering plants. They are characterized by the presence of flowers and the production of seeds enclosed within a fruit. 2. **Classification of Angiosperms**: Angiosperms are primarily classified based on the number of cotyledons (the first leaves that appear on a seedling) present in their seeds. 3. **Types of Cotyledons**: There are two main types of cotyledons: - **Monocotyledons (Monocots)**: These plants have one cotyledon. Examples include sugarcane and grasses. - **Dicotyledons (Dicots)**: These plants have two cotyledons. Examples include tomato and beans. 4. **Conclusion**: Therefore, angiosperms are divided into two main classes: Monocots and Dicots. **Final Answer**: Angiosperms are divided into **two classes**: Monocotyledons and Dicotyledons. ---
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ALLEN-DIVERSITY OF THE LIVING WORLD-Exercise
  1. In gymnosperms, the male and the female gametophytes do not have an in...

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  2. In gymnosperms, the nucellus is protected by envelops and the composit...

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  3. How many cells are there in an embryo sac?

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  4. Write the names of male and female sex organs of angiosperms respectiv...

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  5. In how many classes angiosperms are divided?

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  6. Ovules, stamen, ovary, carpel, anther, antipodals, synergids, Pollen g...

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  7. Angiosperms range in size from tiny, almost microspic e.g. (A) to tall...

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  8. Total number of nuclei involved in double fertilization is

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  9. Write down the ploidy level of followings regarding typical angiosperm...

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  10. After fertilization, what is the future of the following:- (A) Ovule...

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  11. Identify the A,B,C, D & E in given life cycle of an angiosperm:-

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  12. Many algae such as volvox, spirogyara and some species of Chlamydomona...

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  13. Which kind of life cycle pattern is shown by all seed-bearing plants?

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  14. The life cycle of any sexually reproducting plant, there is an alterna...

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  15. Which processes are essential for alternation of generation in plant l...

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  16. In bryophytes, what is the dominant phase of life cycle?

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  17. In, a dominant and independent diploid sporophyte alternates with a sh...

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  18. "The short-lived multicellular sporophyte totally or partially depende...

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  19. Which type of life cycle is found in fucus?

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  20. Algae usually reproduce vegetatively by (A) asexually by formation of ...

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