Home
Class 10
BIOLOGY
What is meant by seed dormancy? What are...

What is meant by seed dormancy? What are the causes for it?

Text Solution

AI Generated Solution

### Step-by-Step Text Solution: **Step 1: Define Seed Dormancy** Seed dormancy refers to a physiological state in which seeds are unable to germinate, even under favorable environmental conditions. This means that despite having the right temperature, moisture, and light, the seed remains inactive and does not sprout. **Step 2: Explain the Importance of Seed Dormancy** Seed dormancy is an important survival mechanism for plants. It allows seeds to remain viable for extended periods, ensuring that they only germinate when conditions are optimal for growth and survival. This helps in preventing premature germination during unfavorable conditions. ...
Promotional Banner

Topper's Solved these Questions

  • REPRODUCTION IN LOWER ORGANISMS AND PLANTS

    PEARSON IIT JEE FOUNDATION|Exercise MASTERING THE CONCEPTS (ASSERTIONS AND REASONS)|8 Videos
  • REPRODUCTION IN LOWER ORGANISMS AND PLANTS

    PEARSON IIT JEE FOUNDATION|Exercise ASSESSMENT TESTS (FILL IN THE BLANKS)|7 Videos
  • REPRODUCTION IN LOWER ORGANISMS AND PLANTS

    PEARSON IIT JEE FOUNDATION|Exercise MASTERING THE CONCEPTS (KNOWLEDGE AND UNDERSTANDING)|29 Videos
  • REPRODUCTION IN HUMAN BEINGS

    PEARSON IIT JEE FOUNDATION|Exercise ASSESSMENT TESTS |35 Videos
PEARSON IIT JEE FOUNDATION-REPRODUCTION IN LOWER ORGANISMS AND PLANTS-MASTERING THE CONCEPTS (APPLICATION AND ANALYSIS)
  1. Monocot plants cannot be propagated by means of grafting. Give reason.

    Text Solution

    |

  2. Usually, chrysanthemum plants are found to propagate naturally and fou...

    Text Solution

    |

  3. Why do banana plants not produce true seeds? How are they propagated?

    Text Solution

    |

  4. Tissue culture in plants is easier than in animals. Give reason.

    Text Solution

    |

  5. Plants can be propagated by means of vegetative propagation while asex...

    Text Solution

    |

  6. If a farmer wants to get an economically important plant having useful...

    Text Solution

    |

  7. Algae are capable of rapid multiplication in short duration. Why?

    Text Solution

    |

  8. What is meant by seed dormancy? What are the causes for it?

    Text Solution

    |

  9. Observe the figure given below and answer the following questions. ...

    Text Solution

    |

  10. Both spores and seeds go through the process of germination to produce...

    Text Solution

    |

  11. Explain the alternation of generations seen in angiosperms.

    Text Solution

    |

  12. Explain the role of synergids and antipodal cells in the process of se...

    Text Solution

    |

  13. Identify the ploidy of the cells involved in fertilization in angiospe...

    Text Solution

    |

  14. The process of sexual reproduction involves meiotic and mitotic cell d...

    Text Solution

    |

  15. An angiospermic plant has 32 chromosomes in its somatic cells. Find ou...

    Text Solution

    |

  16. Justify that parthenogenesis is different from parthenocarpy.

    Text Solution

    |