Home
Class 12
BIOLOGY
Which one is larger nucleus in pollen gr...

Which one is larger nucleus in pollen grain ?

A

1)generative nucleus

B

2)vegetative nucleus

C

3)male gamete nucleus

D

4)prothallial nucleus

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • RESPIRATION IN PLANTS

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTIONS|194 Videos
  • STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

    TRUEMAN BIOLOGY|Exercise MCQ|220 Videos

Similar Questions

Explore conceptually related problems

In dicots, at how many places exine is absent in the pollen grain ?

At the time of dehiscence winged pollen grain of Pinus is

Assertion. A pollen grain of angiosperm is considered as the male gametophyte . Reason. All the nuclei of the pollen grain produce male gametes.

The inner layer of exine of pollen grain is____.

The number of pollen grains, produced by each head inflorescene of family Asteraceae having 10 actinomorphic flowers (if each anther produces 20 pollen grains), are

[A] : Xenogamy is defined as the transferance of pollen grain to stigma of same flower. [R] : In xenogamy, the pollen frain of a flower are transferred to stigma of a different flower of a different plant of different species.

Name the class of enzyme which split larger molecules into smaller ones.

Pollination occurs when a pollen grain

Even though each pollen grain has two male gametes, why are at least 10 pollen grains and not 5 pollen grains required to fertilise 10 ovules present in a particular carpel ?

TRUEMAN BIOLOGY-SEXUAL REPRODUCTION IN FLOWERING PLANTS-MULTIPLE CHOICE QUESTIONS
  1. In angiosperm pollen grains are dehisced at

    Text Solution

    |

  2. In dicots, at how many places exine is absent in the pollen grain ?

    Text Solution

    |

  3. Which one is larger nucleus in pollen grain ?

    Text Solution

    |

  4. The exine of a pollen grain is composed of one of the most resistant ...

    Text Solution

    |

  5. Genotypically the pollen grains produced inside the anther belong to 1...

    Text Solution

    |

  6. Germ pore is the area where exine is

    Text Solution

    |

  7. A plant root has 16 chromosomes , so

    Text Solution

    |

  8. Sculpturing of exine of pollen is important in

    Text Solution

    |

  9. Ovule is technically equivalent to 1. megasporangium with one megaspor...

    Text Solution

    |

  10. Ovule is attached to the placenta by a stalk known as 1. funicle 2. ...

    Text Solution

    |

  11. Collar like outgrowth arising from the base of ovule and forming is a ...

    Text Solution

    |

  12. In tenuinucellate type of ovule

    Text Solution

    |

  13. Crassinucellate ovule shows: 1. Developed nucellus 2. Partially dev...

    Text Solution

    |

  14. When ovule is straight with funiculus, embryo sac, chalaza and microp...

    Text Solution

    |

  15. Ovule is inverted (resupinates at 180^(@)) with body fused to funicle,...

    Text Solution

    |

  16. Ovule of Opuntia is coiled and turn at more kthan 360^(@) angle, i...

    Text Solution

    |

  17. Female gametophyte (megagametophyte of aniosperms) is represented b...

    Text Solution

    |

  18. The female gametophyte (embryo sac) of a typical dicot (Polygonum) at...

    Text Solution

    |

  19. Number of chromosomes is 24 in nucellus. Number of chromosomes in micr...

    Text Solution

    |

  20. Base of nucellus from which integument arises is

    Text Solution

    |