Home
Class 12
BIOLOGY
Pollen grains can be stored for several ...

Pollen grains can be stored for several years in liquid nitrogen having a temperature of

A

`-120^(@)` C

B

`-80^(@)` C

C

`-196^(@)` C

D

`-160^(@)` C

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • REPRODUCTION IN ORGANISMS

    ERRORLESS |Exercise Reproduction In Organisms|116 Videos

  • SMOKING,ALCOHOLISM,DRUG ADDITION, MENTAL HEALTH AND COMMUNITY HEALTH

    ERRORLESS |Exercise Smoking,Alcoholism,Drug Addition, Mental Health And Community Health|88 Videos

Similar Questions

Explore conceptually related problems

The pollen grains can be stored for years (long period) in

Pollen grains can be preserved as fossil because

A body can have a temperature -10 K.

Germplasm conservation at liquid nitrogen at 196^(@)C temperature is

Which one of the following is the correct statement ? If prieces of copper and germanjum are cooled from room temperature to liquid nitrogen temperature, then the

Assertion : It is possible to store pollen grains of a large number of species for years in years in liquid nitrogen (-196^(@)C) Reason : Such stored pollen can be used as pollen banks, similar to seed banks, in crop breeding programmes.

Pollen grains have spiny exine to aid in

Seasonal variation can be observed over several years. (True/False)

ERRORLESS -SEXUAL REPRODUCTIO IN FLOWERING PLANTS-Sexual Reproductio In Flowering Plants
  1. Attractants and reward are required for

    Text Solution

    |

  2. Which of the following has proved helpful in preserving pollen of foss...

    Text Solution

    |

  3. Pollen grains can be stored for several years in liquid nitrogen havin...

    Text Solution

    |

  4. The ovary after fertilization is converted into

    Text Solution

    |

  5. Micropyle of seed facilitates in the entry of:

    Text Solution

    |

  6. The given figure is associated to double fertilization A, B, C, D, E, ...

    Text Solution

    |

  7. when the pollen tube enters through the micropyle it is termed as

    Text Solution

    |

  8. Female gametophyte of a typical dicot at the time of fertilization is

    Text Solution

    |

  9. Which of the following events takes place after double fertilization

    Text Solution

    |

  10. Double fertilization was discovered by

    Text Solution

    |

  11. When pollen tube enters by integuments then the process is called

    Text Solution

    |

  12. Double fertilization is a characteristic of

    Text Solution

    |

  13. Fertilization of egg takes place inside

    Text Solution

    |

  14. Which of the following floral parts forms pericarp after fertilization

    Text Solution

    |

  15. Which of the following is not true for double fertilization

    Text Solution

    |

  16. The nuclei of the sperm and egg fuse as a result of

    Text Solution

    |

  17. Number of nuclei taking part in double fertilization is

    Text Solution

    |

  18. Fusion of two dissimilar gametes is called

    Text Solution

    |

  19. A pollen tube grows down the style because

    Text Solution

    |

  20. Double fertilization results in the production of

    Text Solution

    |