Home
Class 12
BIOLOGY
Autogamy can occur in a chasmogamous flo...

Autogamy can occur in a chasmogamous flower if
(A) Pollen matures before maturity of ovule
(B) Ovules mature before maturity of pollen
(C) Both pollen and ovules mature simultaneously
(D) Both anther and stigma are of equal lengths

A

Apiaceae and Lamiaceae

B

Verbenaceae and Moraceac

C

Menispermacae and Lamnaceae

D

Apocynaceae and Rhanaceae

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    KUMAR PRAKASHAN|Exercise Section -E (Solution of NCERT Exemplar)(Long Answer Type Question)|3 Videos

  • REPRODUCTIVE HEALTH

    KUMAR PRAKASHAN|Exercise Section - F Multiple Choice Questions (MCQs)|102 Videos

  • STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

    KUMAR PRAKASHAN|Exercise SECTION -F (Multiple Choice Questions (MCQs)) (MCQs Asked In Competition Exam)|63 Videos

Similar Questions

Explore conceptually related problems

How many pollen sacs are present in a mature anther

Male gametophyte of angiosperm is…. (A) anther lobe (B) pollen before germination (C) pollen after germination (D) embryosac

Which part of flower becomes mature and modified into fruit? a.Ovule b.Carpel c.Ovary d.Female gamete

Pollination is best defined as (A) The transference of pollens from anthers to stigma (B) The germination of pollen grains (C) visiting on flowers by ants (D) the growth of pollen tube in the ovule

Stage of growth and maturity in plant life before they can reproduce sexually is

Following events in flowering plants given below : (a) Pollen tube develops in style (b) Plumule develops as shoot system (c) Ovule modified in seed (d) Anther releases pollen and stigma receives it. Arrange them in correct sequence.

Autogamy means (A) pollination of a flower by its own pollen (B) pollination of a flower by different of same species (C) pollination of a flower by different pollen of different species (D) Pollen of a flower pollinate any other flower present on same plant

Embryo sac is to ovule as …..is to an anther (A) stamen (B) Filament (C) Pollen grain (D) Androecium

What does the filiform apparatus do at the entrance into the ovule? (A) It helps in the entry of pollen tube into synergid (B) It prevents entry of more than one pollen tube into the embryosac (C) It brings about opening of the pollen tube (D) It guides pollen tube from a synergid to egg

KUMAR PRAKASHAN-SEXUAL REPRODUCTION IN FLOWERING PLANTS-Section -F (Multiple Choice Questions)
  1. What is the name of the larger cell of the suspensor that remains in c...

    Text Solution

    |

  2. What does egg apparatus contain (A) Egg cell + synergids (B) Egg c...

    Text Solution

    |

  3. Autogamy can occur in a chasmogamous flower if (A) Pollen matures be...

    Text Solution

    |

  4. Which plant is pollinated through wind?

    Text Solution

    |

  5. The adaptation of Self-pollination is (A) Dichogamy (B) Self steril...

    Text Solution

    |

  6. Synergids are of which type?

    Text Solution

    |

  7. Embryo sac is found in (A) Embryo (B) seed (C) ovule (D) Endosp...

    Text Solution

    |

  8. In embryo development, the basal cell which produces 20 to 25 cell str...

    Text Solution

    |

  9. The development of embryo from unfertilized egg is (A) haploid apogam...

    Text Solution

    |

  10. What is Parthenocarpy? (A) Development of egg without fertilization ...

    Text Solution

    |

  11. Autogamy means (A) pollination of a flower by its own pollen (B) p...

    Text Solution

    |

  12. Autogamy is possible in (A) only monoecious flower (B) only in bise...

    Text Solution

    |

  13. Autogamy is observed in members of…. (A) apiaceae (B) lamiaceae (...

    Text Solution

    |

  14. Which of the following option is correct for statement .X. and stateme...

    Text Solution

    |

  15. Sporogenous tissue gets its nourishment from layer of anther wall, whi...

    Text Solution

    |

  16. 250 microsporocytes will give rise to ……. Microspores (A) 250 (B) 5...

    Text Solution

    |

  17. What is the function of tapetum in a developing anther? (A) To draw f...

    Text Solution

    |

  18. The number of microsporangia present in the anther is …..

    Text Solution

    |

  19. The male gametes of angiosperms are…. (A) uniflagellate (B) biflage...

    Text Solution

    |

  20. Male gametophyte of angiosperm is…. (A) anther lobe (B) pollen befo...

    Text Solution

    |