Home
Class 12
BIOLOGY
(a) Draw a labelled schematic diagram of...

(a) Draw a labelled schematic diagram of the transverse section of a mature anther of an angiosperm plant.
(b) Describe the characteristic features of an insect pollinated flower.

Text Solution

Verified by Experts

(a)
(b) Flowers are large, fragrant, sticky and brightly coloured. They are also rich in-nectar. In case of small flowers, an inflorescence is present.
Promotional Banner

Topper's Solved these Questions

  • XII BOARDS

    XII BOARDS PREVIOUS YEAR|Exercise SECTION -A|12 Videos

  • XII BOARDS

    XII BOARDS PREVIOUS YEAR|Exercise SECTION -B|13 Videos

  • XII BOARDS

    XII BOARDS PREVIOUS YEAR|Exercise SECTION-C|95 Videos

  • SAMPLE PAPER 2019

    XII BOARDS PREVIOUS YEAR|Exercise Section E Part B|3 Videos

Similar Questions

Explore conceptually related problems

Draw a labelled diagram of the longitudinal section of a flower.

Which of the following is not a characteristic feature of insect pollinated floweres ?

Draw a labelled diagram of a section of an enlarged view of microsporangium of an angiosperm.

(a) Draw a diagrammatic sectional view of a mature anatropous ovule and label the following parts in it : (i) that develops into seed coat. (ii) that develops into an embryo after fertilization. (iii) that develops into an endosperm in an albuminous seed. (iv) through which the pollen tube gains entry into the embryo sac. (v) that attaches the ovule to the placenta. (b) Describe the characteristic features of wind pollinated flowers.

Draw a labelled diagram of the sectional view of a mature pollen grain in angiosperms. Explain the functions of its different parts.

Draw a neat labelled diagram of T.S. of mature anther.

XII BOARDS PREVIOUS YEAR-XII BOARDS-SECTION-D
  1. (a ) Write the Hardy-Weinberg principle. (b) Explain the three diffe...

    Text Solution

    |

  2. (a) Draw a diagrammatic sectional view of a mature anatropous ovule an...

    Text Solution

    |

  3. (a) Draw a labelled schematic diagram of the transverse section of a m...

    Text Solution

    |

  4. Public all over India is very much concerned about the deteriorating a...

    Text Solution

    |

  5. Read the following statement and answer the questions that follows: ...

    Text Solution

    |

  6. a) Arrange the following hormones in sequences of their secretion in a...

    Text Solution

    |

  7. State and explain the "law of independent assortment" in a typical Men...

    Text Solution

    |

  8. a) How do the observations made duirng moth collection in pre- and pos...

    Text Solution

    |

  9. a) What is an age-pyramid? b) Name three representative kinds of age...

    Text Solution

    |

  10. Discuss the role of healthy ecosystem services as a pre-requisite for ...

    Text Solution

    |

  11. Describe in sequence the events that lead to the development of a 3-ce...

    Text Solution

    |

  12. (a) Give a schematic representation showing the events of spermatogene...

    Text Solution

    |

  13. (a) State the law of independent assortment. (b) Using Punnett Squar...

    Text Solution

    |

  14. How did Alfred Hershey and Martha Chase arrive at the conclusion that ...

    Text Solution

    |

  15. (a) Why are herbivores considered similar to predators in the ecologic...

    Text Solution

    |

  16. (a) Trace the succession of plants on a dry bare rock. (b) How does ...

    Text Solution

    |

  17. (a ) Draw a labelled L.S. view of an albuminous 'seed'· (b) How are ...

    Text Solution

    |

  18. (a) Write the fate of egg cell and polar nuclei after fertilization.

    Text Solution

    |

  19. How does the process of natural selection affect Hardy-Weinberg equili...

    Text Solution

    |

  20. (a) Explain Mendel's law of independent assortment by taking a suitabl...

    Text Solution

    |