Home
Class 12
BIOLOGY
The mein constituent of the intine larye...

The mein constituent of the intine laryer of the pollen grain is :

A

Sporopollenin

B

Pectocellulose

C

Lignin

D

Lignopecin

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • PRINCIPLES OF INHERITANCE AND VARIATION

    ICSE|Exercise MULTIPLE CHOICE QUESTION|98 Videos
  • REPRODUCTION IN ORGANISMS

    ICSE|Exercise COMPETITION CORNER OBJECTIVE TYPE QUESTIONS ((B) Assertion and Reason Type Questions) (Fopr AIIMS aspirants)|16 Videos

Similar Questions

Explore conceptually related problems

pollen grains

Diameter of pollen grain is

Exine of pollen grain

Study of pollen grains is

Intine of pollen grain is made of

The intine of pollen grains is composed of

What is pollen grain

Study of pollen grain is called

Generative cell of pollen grain

Study of pollen grains is called

ICSE-QUESTION PAPER 2022 TERM 1-MULTIPLE CHOICE QUESTIONS
  1. How many pollen grains will be formed after meiotic division in 25 mi...

    Text Solution

    |

  2. If the root cells of an angiosperm have 38 chromosomers, then the numb...

    Text Solution

    |

  3. The mein constituent of the intine laryer of the pollen grain is :

    Text Solution

    |

  4. The transparent non-cellular layer of the ovum is called :

    Text Solution

    |

  5. What is difference between Spermiogenesis and Spermiation?

    Text Solution

    |

  6. The technique used to detect the genetic defects in the developoing em...

    Text Solution

    |

  7. Which of the following is a physical contraceptive device ?

    Text Solution

    |

  8. A patient brought to a hospital with myocardial infarction is immediat...

    Text Solution

    |

  9. Which of the following is NOT used as a biocontrol agent for plant di...

    Text Solution

    |

  10. In the Hardy Weinberg equation, the frequency of heterozygous individu...

    Text Solution

    |

  11. Genetic drift operates in a

    Text Solution

    |

  12. Which of the following is not a vestigial orgin of human beings?

    Text Solution

    |

  13. The abbreviation hnRNA stands for

    Text Solution

    |

  14. The abbreviation IUCD stands for :

    Text Solution

    |

  15. Who proposed the recapitulation theory ?

    Text Solution

    |

  16. The X chromosome was discovered by :

    Text Solution

    |

  17. The phase of life cycle of an organism which is characterised by gradu...

    Text Solution

    |

  18. The compatibility of pollen-pistil interaction is determined by .

    Text Solution

    |

  19. If the Fallopian tubes in the human reproductive system get blocked , ...

    Text Solution

    |

  20. Morula is a solid ball of blastomeres

    Text Solution

    |