Home
Class 9
BIOLOGY
What are chromosomes?...

What are chromosomes?

Text Solution

Verified by Experts

The correct Answer is:
Chromosomes are thread-like structures usually present in the nucleus and become visible only during cell divison. These contain hereditary information of the cell.
Promotional Banner

Topper's Solved these Questions

  • THE FUNDAMENTAL UNIT OF LIFE

    PRADEEP|Exercise B. SHORT ANSWER QUESTIONS|39 Videos

  • THE FUNDAMENTAL UNIT OF LIFE

    PRADEEP|Exercise C. SHORT ANSWER QUESTIONS|39 Videos

  • THE FUNDAMENTAL UNIT OF LIFE

    PRADEEP|Exercise LONG ANSWER QUESTION|7 Videos

  • NATURAL RESOURCES : OUR ENVIRONMENT

    PRADEEP|Exercise QUESTIONS WITH ANSWERS|20 Videos

  • TISSUES

    PRADEEP|Exercise Analytical Questions with Answers|10 Videos

Similar Questions

Explore conceptually related problems

What are chromosome number in thhe following respectively (i) Synergid of Gossypium (ii) Leaf cells in Allium (iii) Endosperm of Saccharum

What are chromosomal abbreviation?Explain in pea plants

What are the chromosomes XY and XX known as ?

(a) State one advantage of variation to a species. (b) What are sex chromosomes ? How many sex chromosomes are there ? Name them.

What is the chromosome number of plasmodium

What is the chromosome number in a human ovum ?

What is chromosome banding ? Give its utility in tracing human ancestry

Chromosome number in a gamete of Drosophila is 4. What is the chromosome number in meiocytes of Musca?

PRADEEP-THE FUNDAMENTAL UNIT OF LIFE -A. VERY SHORT ANSWER QUESTIONS
  1. Which unicellular organism has irregular shape ?

    Text Solution

    |

  2. Which lens unit produces a primary magnified image in compound microsc...

    Text Solution

    |

  3. Name the scientist who introduced the terms 'cell'. In which year he g...

    Text Solution

    |

  4. Name the scientists who proposed 'cell theory'.

    Text Solution

    |

  5. Which cell organelle is absent in plant cell but is present in animal ...

    Text Solution

    |

  6. Name the intercellular connections between adjacent plant cells. What ...

    Text Solution

    |

  7. Which cell organelle controls most of the activities of the cell?

    Text Solution

    |

  8. What are chromosomes?

    Text Solution

    |

  9. Name the cell organelle which acts as 'protein factory' of the cell. W...

    Text Solution

    |

  10. Which cell organelle is commonly called 'cellular housekeeper' ? From ...

    Text Solution

    |

  11. Which type of endoplasmic reticulum is more abundant (i) near the nucl...

    Text Solution

    |

  12. Name the cell organelle which gives rise to the acrosome in an animal ...

    Text Solution

    |

  13. Name the ATP - generating assemblies that are present on the cristae o...

    Text Solution

    |

  14. What are the two components of chromosome ?

    Text Solution

    |

  15. What are leucoplasts ? Give their function.

    Text Solution

    |

  16. What will happen when raisins are kept in water ?

    Text Solution

    |

  17. What wiil happen when R.B.Cs are kept in 10% glucose solution ?

    Text Solution

    |

  18. What will happen when R.B.Cs are kept in 0.9% salt solution or 5% gluc...

    Text Solution

    |

  19. What happens when fresh grapes are kept in concentrated sugar solution...

    Text Solution

    |

  20. What will happen when plant leaves are boiled and then a drop of conce...

    Text Solution

    |