Home
Class 12
BIOLOGY
In angiosperms, all the four microspores...

In angiosperms, all the four microspores of a tetrad are covered by a layer formed by

A

pectocellulose

B

callose

C

cellulose

D

sprorpollenin

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION D)|20 Videos

  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION B)|35 Videos

  • RESPIRATION IN PLANTS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section D)|10 Videos

  • STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section - D)|10 Videos

Similar Questions

Explore conceptually related problems

In angiosperm, all 4 microspores of tetrad are covered by a layer which is formed by

In Angiosperms, the functional megaspore of a linear tetrad is the

Assertion : In most angiosperms, microspores of a tetrad grow and separate from one another shortly after meiosis. Reason : In the members of families Orchidaceae and Asclepiadaceae, all the pollen grains of a sporangium remain united to form a compact structure called pollinium.

Microspore mother cell forms

In angiosperms microspores are

In angiosperms the functional megaspore in the linear tetrad is generally

In angiosperms endosperm is formed by

In an angiosperm, the number of microspore mather cells involved in production of 120 male gametes is

In an angiosperm, how many microspore mother cells are required to produce 100 pollen grains?

In angiosperms, female gametophyte is embryo sac which is formed by

AAKASH INSTITUTE ENGLISH-SEXUAL REPRODUCTION IN FLOWERING PLANTS -Assignment (SECTION C)
  1. Which of the folliwng statement is wrongs?

    Text Solution

    |

  2. Long ribbon like pollen grains are seen in some

    Text Solution

    |

  3. Which one of the following pairs of plant structures has haploid numbe...

    Text Solution

    |

  4. Embryo sac represents

    Text Solution

    |

  5. Female plant is diploid and male plant is tetraploid. Find out the cor...

    Text Solution

    |

  6. The significance of double fertilization is that it

    Text Solution

    |

  7. An interesting modification of flower shape for insect pollination occ...

    Text Solution

    |

  8. Endosperm is formed during the double fertilization by:

    Text Solution

    |

  9. Anemophily type of pollination is found in

    Text Solution

    |

  10. What is the direction of micropyle in anatropous ovule?

    Text Solution

    |

  11. In angiosperms, all the four microspores of a tetrad are covered by a...

    Text Solution

    |

  12. In angiosperms, pollen tube liberates its male gamets into

    Text Solution

    |

  13. An ovule which becomes curved so that the nucellus and embryo sac lie ...

    Text Solution

    |

  14. When a diploid female plant is crossed with a tetraploid male, the plo...

    Text Solution

    |

  15. Polyembryony commonly occurs in

    Text Solution

    |

  16. Eight nucleated embryosac is a:

    Text Solution

    |

  17. Adventative embryony in Citus is due to

    Text Solution

    |

  18. In a flowering plant, archesporium gives rise to

    Text Solution

    |

  19. In a type of apomixids known as adventive embryony embryos develop dir...

    Text Solution

    |

  20. Function of filiform apparatus is to

    Text Solution

    |