Home
Class 11
BIOLOGY
The first seed plant appeared during...

The first seed plant appeared during

A

silurian era

B

devonian era

C

carboniferous era

D

cretaceous era.

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • PLANT KINGDOM

    JBD PUBLICATION|Exercise EXAMPLE|80 Videos

  • MORPHOLOGY OF FLOWERING PLANTS

    JBD PUBLICATION|Exercise EXAMPLE|86 Videos

  • STRUCTURAL ORGANISATION IN ANIMALS

    JBD PUBLICATION|Exercise EXAMPLE|104 Videos

Similar Questions

Explore conceptually related problems

Gibberellins were first discovered in Japan when rice plants were suffering from bakane (the foolish seedling disease) caused by a fungus Gibberella fujikuroi. Which property of Gibberellin caused foolish seeding disease in rice?

Explain why only ferns are often firstr plants to appear after a forest fire?

Which gas is released by plants during photosynthesis ?

Write 'True' or 'False' Chlorosis in Sulphur deficient plants appears in young leaves only.

A section of root nodule of chick-pea plant appears pink: What type of condition does the pigment create in the nodules?

A section of root nodule of chick-pea plant appears pink: What is this colour due tod?

What are advantages of seeds to plants and mankind?

The seeds of this plant are consumed.

JBD PUBLICATION-PLANT KINGDOM-EXAMPLE
  1. The first seed plant appeared during

    Text Solution

    |

  2. Fill in the blanks Branching in Marchantia is………….. .

    Text Solution

    |

  3. Fill in the blanks: Protonema stage is found in………….

    Text Solution

    |

  4. Fill in the blanks …………..is a leafy liverwort.

    Text Solution

    |

  5. Fill in the blanks Ovuliferous scale in Pinus has………….ovules.

    Text Solution

    |

  6. Fill in the blanks: ……………..is an insectivorous plant.

    Text Solution

    |

  7. Fill in the blanks: Pollination in Pinus is……………… .

    Text Solution

    |

  8. Fill in the blanks Time interval between pollination and feritlizatoin...

    Text Solution

    |

  9. Fill in the blanks Reserve food material in brown algae is in the form...

    Text Solution

    |

  10. Name the plant which yield ephedrine. Write its use.

    Text Solution

    |

  11. One word Name an alga where three types of zoospores are formed.

    Text Solution

    |

  12. One word What is name of motilc mitospore?

    Text Solution

    |

  13. One word A zygospore is haploid or diploid?

    Text Solution

    |

  14. One word Name the largest Icelp?

    Text Solution

    |

  15. One word Name an algae from which antibiotic is prepared?

    Text Solution

    |

  16. One word Name a gymnosperm where male gametes are motile.

    Text Solution

    |

  17. One word Where do you find two types of rhizoids?

    Text Solution

    |

  18. Name the smallest gymnosperm.

    Text Solution

    |

  19. One word Where do you find palmella stage?

    Text Solution

    |

  20. One word Name an alga (unicellular) which is several cm long.

    Text Solution

    |

  21. One word In which bryophytes sex organs are embedded in thallus?

    Text Solution

    |