Home
Class 12
BIOLOGY
Selaginella and Salvinia are considered ...

Selaginella and Salvinia are considered to represent a significant step toward evolution of ssed habit because.

A

Embryo develops in female gametophytes which is retained on parent sporophyte

B

Female gametophytes is free nad gets dispersed like seeds.

C

Female gametophytes lacks archaegonia

D

Megaspores posses endosperm and embryo surrounded by seed coat.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • DIVERSITY IN LIVING WORLD (PLANT DIVERSITY)

    ALLEN|Exercise EXERCISE -III|136 Videos

  • DIVERSITY IN LIVING WORLD (PLANT DIVERSITY)

    ALLEN|Exercise Assertions and Reason|45 Videos

  • DIVERSITY IN LIVING WORLD (PLANT DIVERSITY)

    ALLEN|Exercise EXERCISE-I|336 Videos

  • DIGESTION AND ABSORPTION

    ALLEN|Exercise S|28 Videos

  • DOMESTICATION OF PLANT (PLANT BREEDING)

    ALLEN|Exercise S|28 Videos

Similar Questions

Explore conceptually related problems

Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because

Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because

Assertion : Selaginella & Salvinia are homosporous. Reason : In pteridophyte, Lycopodium is precursor of seed habit

Seed habit is an important step in evolution. It is due to

Selaginella has a tendency to form seed, called seed habit because it follows

Which one of the following is considered important in the development of seed habit Or Selaginella has the character of evolutionary importance. That character is

Seed habit, considered an important step in evolution, is present in : 1 Adiantum 2 Selaginella 3 Pteris 4 Lycopodium

In recent years,DNA sequences (nucleotide sequence) of mt DNA and Y-chromosome were considered for the study of human evolution ,because :

ALLEN-DIVERSITY IN LIVING WORLD (PLANT DIVERSITY)-EXERCISE-II
  1. The gametophyte is not an independent, free-living generation in

    Text Solution

    |

  2. Examine the fiure given below and select the right option giving all t...

    Text Solution

    |

  3. Selaginella and Salvinia are considered to represent a significant ste...

    Text Solution

    |

  4. Consider the following four statements. Which of the following stateme...

    Text Solution

    |

  5. Which one of the following is a wrong matching of a microbe and its in...

    Text Solution

    |

  6. The pathogen Micropsporum responsible for ringworm disease in humans b...

    Text Solution

    |

  7. Which statements is correct about mosses?

    Text Solution

    |

  8. Cycas and Adiantum resemble each other in having

    Text Solution

    |

  9. Maximum nutritional diversity is found in the group

    Text Solution

    |

  10. Which one of the following is common to multicellular fungi,filamentou...

    Text Solution

    |

  11. Which one of the following is a correct statement regarding the plant ...

    Text Solution

    |

  12. Nuclear membrane is absent in:-

    Text Solution

    |

  13. Which one of the following is same in E.coli and Chlamydomonas?

    Text Solution

    |

  14. Which one of the following is wrong statement ?

    Text Solution

    |

  15. Yeast is used in the production of

    Text Solution

    |

  16. A nitrogen fixing microbe associated with Azolla in rice fields is

    Text Solution

    |

  17. The cyanobacteria are also referred to as

    Text Solution

    |

  18. Which one of the following animals is corectly matched with its partic...

    Text Solution

    |

  19. The most abundant prokaryotes helpful to humans in making curd from mi...

    Text Solution

    |

  20. monascus purpureus is a yeast used commercially in the production of

    Text Solution

    |