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Why does a gardner apply hormone IAA or ...

Why does a gardner apply hormone IAA or NAA before planting rose cuttings?

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### Step-by-Step Text Solution 1. **Understanding the Context**: The question asks why a gardener uses the hormones Indole-3-Acetic Acid (IAA) or Naphthalene Acetic Acid (NAA) before planting rose cuttings. 2. **Identifying the Process**: Planting rose cuttings involves taking a stem cutting from an existing rose plant and placing it in the soil to grow a new plant. 3. **Role of Auxins**: IAA and NAA are types of auxin hormones. Auxins are plant hormones that play a crucial role in the growth and development of plants. ...
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ICSE-REPRODUCTION IN ORGANISMS-COMPETITION CORNER OBJECTIVE TYPE QUESTIONS ((B) Assertion and Reason Type Questions) (Fopr AIIMS aspirants)
  1. Why does a gardner apply hormone IAA or NAA before planting rose cutti...

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  2. Assertion: Asexual reproduction does not bring any genetic change in p...

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  3. Assertion: Middle piece of the sperm is called its powerhouse'. Reas...

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  4. Assertion: Air layering is applied to woody shrubs and trees. Reaso...

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  5. Assertion: Many plants can reproduce asexually as well as sexually in ...

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  6. Assertion: Amoeba is known as immortal. Reason: Amoeba has rigid pro...

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  7. Assertion: In honeybee, males are always haploid. Reason: They are der...

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  8. Assertion: Gemmules are asexual bodies found in sponges. Reason: The...

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  9. Assertion: In oviparous animals, zygote develops outside the body of f...

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  10. Assertion: Visit of insects on flowers helps in pollination. Reason:...

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  11. Assertion: Parthenogenesis does not contribute to organic evolution. ...

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  12. Assertion: Reproduction and death are the two essential processes on t...

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  13. Assertion: Young ones of oviparous animals are at a greater risk. Re...

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  14. Assertion: In an organism, male gametes are always produced in large n...

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  15. Assertion: Gametes are always haploid. Reason: A haploid parent body...

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  16. Assertion: Senescent phase of life ultimately leads to death. Reason...

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  17. Assertion: Senescence is the time when age associated defects are mani...

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