Home
Class 12
BIOLOGY
The function of labelled part X is...

The function of labelled part X is

A

dehiscence

B

mechanical

C

nutrition

D

protection

Text Solution

Verified by Experts

The correct Answer is:
C
The tapetal layer is of great physiological significance as all the food material entring into the sporogenous tissue diffuses thorugh this layer. Ultimately the cells of tyapetal layer disorganise. Thu s, tapetum makes a nutritive layer for the developing microspores or pollen grains.
Promotional Banner

Topper's Solved these Questions

  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    NCERT FINGERTIPS ENGLISH|Exercise HOTS|5 Videos

  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    NCERT FINGERTIPS ENGLISH|Exercise NCERT|20 Videos

  • REPRODUCTIVE HEALTH

    NCERT FINGERTIPS ENGLISH|Exercise Reproductive Health|133 Videos

  • STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

    NCERT FINGERTIPS ENGLISH|Exercise Strategies For Enhancement In Food Production|151 Videos

Similar Questions

Explore conceptually related problems

Which is true of the function of labelled part in the diagram.

Study the diagram given below and answer the questions that follow: State the function of parts labelled as 3 & 4.

Study the diagram and answer the questions that follow : Give the function of parts labelled 5 & 6.

Identify the labelled part

In the electric circuit shown in Fig., label the parts A, B, C, D, E, and E State the function of each part. Show in the diagram the direction of flow of current.

Study the diagram and answer the questions that follow : Give the function of parts labelled 3,4 & 6.

Given below is a diagrammatic representation of the female reproductive system . The main function of the part labelled B is to

Identify the functions of the parts labelled as A, B,C,D and E in the given figure . Select the correct option after referring to the given table.

In the electric circuit shown in Fig. 1, label the parts A, B, C, D, E, and F State the function of each part. Show in the diagram the direction of flow of current.

The diagram given below represents a structure found In a leaf. Study the same and answer the questions that follow: What is the function of the part labelled A?

NCERT FINGERTIPS ENGLISH-SEXUAL REPRODUCTION IN FLOWERING PLANTS-Sexual Reproduction In Flowering Plants
  1. The given diagram shows microsporangium of a mature anther. Identify ...

    Text Solution

    |

  2. The anther wall consists of four wall layers where

    Text Solution

    |

  3. The function of labelled part X is

    Text Solution

    |

  4. Which of the following statements regarding the structure of microspor...

    Text Solution

    |

  5. Callase enzyme which dissolved callose of pollen tetrads to separate f...

    Text Solution

    |

  6. Which function of tapetum is correct ?

    Text Solution

    |

  7. In angiosperms various stages of reductional division can best be stud...

    Text Solution

    |

  8. Study of pollen grains is called

    Text Solution

    |

  9. Several pollen grains form a unit designated as pollinium in Family

    Text Solution

    |

  10. The given figure represents

    Text Solution

    |

  11. How many pollen mother cells should undergo meiotic division to produc...

    Text Solution

    |

  12. How many meiotic divisions are required for the formation of 100 polle...

    Text Solution

    |

  13. One of the most resistant biological material present in the exine of ...

    Text Solution

    |

  14. Which of the following statements about sporopollenin is incorrect ?

    Text Solution

    |

  15. What is the function of germ pore?

    Text Solution

    |

  16. Read the given statements. (i) Outer exine is made up of sporopolle...

    Text Solution

    |

  17. of the pollen grain divides to form two male gametes.

    Text Solution

    |

  18. The three cells found in a pollen grain when it is shed at 3-celled st...

    Text Solution

    |

  19. In a fully developed male gametophyte the number of nuclei is

    Text Solution

    |

  20. Refer to the given figure of reproductive structure of Papaver and ide...

    Text Solution

    |