Home
Class 12
BIOLOGY
Despite high level of heterozygosity, th...

Despite high level of heterozygosity, the progeny derived from a seed of cross pollinated plant was found to be completely uniform. One reason can be

A

induced mutation

B

polyploidy

C

apomixis

D

parthenocarpy

Text Solution

Verified by Experts

The correct Answer is:
C
NA
Promotional Banner

Topper's Solved these Questions

  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    ARIHANT NEET|Exercise STATEMENT BASED QUESTIONS|20 Videos

  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    ARIHANT NEET|Exercise MEDICAL ENTRANCE EXAMS|132 Videos

  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    ARIHANT NEET|Exercise MEDICAL ENTRANCE EXAMS|132 Videos

  • RESPIRATION IN PLANTS

    ARIHANT NEET|Exercise C.Medical entrances gallery(Collection of question asked in NEET & vatious medical entrance exams)|110 Videos

  • SOLVED PAPERS 2017

    ARIHANT NEET|Exercise Solved Paper 2017 (JIPMER)|35 Videos

Similar Questions

Explore conceptually related problems

Assertion. A pure-line is the progeny of a large number of heterozygous self pollinated plants. Reason. In this method, a large number of plants with desired characters are selected from a genetically mixed population.

Plants which complete their life cycle in one year from seed to flower, fruit and seed and then die, are called

A pure homozygous pea plant with yellow round seeds is crossed with a pure homozygous pea plant with green wrinkled seeds. Their progeny produced is allowed to undergo self - pollination. It produces four different phenotypes . Each phenotype is an expression of different types of genotypes. Select the correct option from the table.

(a) Explain a monohybrid cross taking seed coat colour as a trait 1n Pisum sativum. Work out the cross upto F generation. (b) State the laws of inheritance that can be derived from such a cross. (c) How is the phenotypic ratio of F2 generation different in a dihybrid cross?

(a) As a senior biology student you have been asked to demonstrate to the students of secondary level in your school, the procedure(s) that shall ensure cross-pollination in a hermaphrodite flower. List the different steps that you would suggest and provide reasons for each one of them. (b )Draw a diagram of a section of a megasporangium of and angiosperm and label funiculus, micropyle, embryosac and nucellus.

A certain form of energy is available due to the difference in the temperature of water at the surface of the ocean and its deeper levels. (a) Name the form of energy. (b) Is this energy ultimately derived from the sun or not ? (c ) Explain how this form of energy can be converted into electricity. (d) What is the minimum temperature in water at the surface of ocean and its deeper level which is required to operate power plants based on this energy ?

ARIHANT NEET-SEXUAL REPRODUCTION IN FLOWERING PLANTS -ASORTED QUESTIONS
  1. After the seedling begins to photosynthesise, the cotyledons

    Text Solution

    |

  2. Formation of embryo directly from nucellus and integument is

    Text Solution

    |

  3. Despite high level of heterozygosity, the progeny derived from a seed ...

    Text Solution

    |

  4. The orthid flowers emit a chemical that resembles the odour produced b...

    Text Solution

    |

  5. Development of a portophyte directly from the gametophytic tissue is c...

    Text Solution

    |

  6. What is the function of tapetum in a developing anther?

    Text Solution

    |

  7. An orchid resembles female of an insect so as to get pollinated. The p...

    Text Solution

    |

  8. Movement of pollen tube towards embryo sac is

    Text Solution

    |

  9. Pollen grains are able to tolerate extremes of temperature and desicca...

    Text Solution

    |

  10. Cross pollination is preferred over self pollinationn because it

    Text Solution

    |

  11. During formation of pollen grains, a microspore mother cell undergoes

    Text Solution

    |

  12. In a type of apomixis known as adventure embryony embryos develop dire...

    Text Solution

    |

  13. Formation of more than four spores in a tetrad known as polyspory is f...

    Text Solution

    |

  14. A particular species of plant produces light, non-sticky pollen in lar...

    Text Solution

    |

  15. A seed that lacks endosperm. It may be

    Text Solution

    |

  16. Which of these following are related with embryo sac? Oenothera type...

    Text Solution

    |

  17. In microporangium, microspore tetrad are formed due to

    Text Solution

    |

  18. The Ubish bodies are involved in

    Text Solution

    |

  19. The hydrophilous flowers, pollinated completely under water, are known...

    Text Solution

    |

  20. Pollen grains of a flower fall on the stigma of another flowers of sam...

    Text Solution

    |