Home
Class 11
BIOLOGY
Assertion: Pyrenoids may or may not be s...

Assertion: Pyrenoids may or may not be surrounded by a sheath of starch plates in algae.
Reason: In higher plants, these are replaced by amyloplasts.

A

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B

If both Assertion and Reason are true, but the Reason is not the correct explanation of the Assertion.

C

If Assertion is true, but Reason is false.

D

If both Assertion and Reason are false.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PLANT KINGDOM

    CENGAGE BIOLOGY ENGLISH|Exercise ARCHIVES|70 Videos

  • PLANT GROWTH AND DEVELOPMENT

    CENGAGE BIOLOGY ENGLISH|Exercise Archives|28 Videos

  • RESPIRATION IN PLANTS

    CENGAGE BIOLOGY ENGLISH|Exercise ARCHIVES|12 Videos

Similar Questions

Explore conceptually related problems

Starch storing structure in green algae and higher plants respectively are

Assertion :- In higher plants, the mitosis is termed as anastral mitosis. Reason : In higher plants, mitosis takes place without spindle fibers.

Assertion :In C_(4) plants, the chloroplasts of bundle sheath cells are granal. Reason: PS II is mostly found in the appressed part of granum.

Assertion : The primany protenema of moss by death and decay of cells may break into fragments. Reason : Each fragment gives gives rise to leafy gametophyte.

Assertion: Displacement of a body may be zero when distance travelled by it is not zero. Reason: The displacement is the longest distance between initial and final position.

Assertion: In dicot stem, endodermis is also called as starch sheath. Reason: The cells of the endodermis are rich in starch grains.

Assertion : In a free fall, the initial velocity of a body may or may not be zero. Reason : A heavy body falls at a faster rate as compared to a light body.

Assertion : An object may have varying speed without having varying velocity. Reason : If the velocity is zero at an instant, the acceleration may not be zero at that instant.

Assertion: Universe as a whole may be viewed an isolted system. Reason: Total energy of an isolated system remain constant or stretched.

Assertion :- In plant cells cell plate method is found for cytokinesis instead of cell furrow method. Reason :- Plant cells are enclosed by a relatively inextensible cell wall.

CENGAGE BIOLOGY ENGLISH-PLANT KINGDOM-ARCHIVES
  1. Assertion: Pyrenoids may or may not be surrounded by a sheath of starc...

    Text Solution

    |

  2. Flagellated male gametes are present in all the three of which one of ...

    Text Solution

    |

  3. In the prothallus of a vascular cryptogam, the antherozoids and egg ma...

    Text Solution

    |

  4. In gymnosperms, the pollen chamber represents

    Text Solution

    |

  5. Spore dissemination in some liverworts is aided by

    Text Solution

    |

  6. If you are asked to classify the various algae into distinct groups, w...

    Text Solution

    |

  7. In which of the following, gametes are produced by mitrotic division?

    Text Solution

    |

  8. In which one of the following male and female gametophytes do not have...

    Text Solution

    |

  9. Which of the following is heterosporous

    Text Solution

    |

  10. Selelct one of the following paris of important features distinguishig...

    Text Solution

    |

  11. Which one of the following plants is monoecious?

    Text Solution

    |

  12. Which one of the following has haplontic life cycle?

    Text Solution

    |

  13. Which one of the following is a vascular cryptogam?

    Text Solution

    |

  14. Which one of the following is a vascular cryptogam?

    Text Solution

    |

  15. Male and female gametophytes are independent and free-living in

    Text Solution

    |

  16. Algae have cell wall made up of

    Text Solution

    |

  17. Some hyperthermophilic organisms that grow in highly acidic (pH 2) hab...

    Text Solution

    |

  18. A prokaryotic autotrophic nitrogen fixing sym- biont-is found in

    Text Solution

    |

  19. Archegoniophore is present in

    Text Solution

    |

  20. Compared with the gametophytes of the bryophytes, the gametophytes of ...

    Text Solution

    |

  21. The gametophyte is not an independent, free-living generation in

    Text Solution

    |