Home
Class 12
BIOLOGY
Assertion :- In plants there is no need ...

Assertion :- In plants there is no need of respiratory and Circulatory system.
Reason:- In plants most of the cells have at least a part of their surface in contact with air and an interconnected network of air spaces.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of 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:
A
Promotional Banner

Topper's Solved these Questions

  • RESPIRATION IN PLANTS

    MOTION|Exercise EXERCISE - 3|27 Videos
  • REPRODUCTIVE HEALTH

    MOTION|Exercise Exercise - 4|3 Videos
  • SENSORY ORGANS

    MOTION|Exercise EXERCISE - 3|21 Videos

Similar Questions

Explore conceptually related problems

Assertion :- Plants are devoid of specialised respiratory organs. Reason:- Each plant part takes care of it's own gaseous exchange needs .

Assertion : Plants have no specialised respiratory organs. Reason : There is very little transport of gases from one plant part to another.

Assertion: In plants differentiation is open. Reason: Cells or tissues ansmg out of the same meristem have different structures at maturity.

Assertion :- Most of the mineral absorption by plant is active process. Reason:- Some ions also move in epidermal cells passively.

Assertion: If a plant is kept horizontally, auxin accumulates on the lower surface. Reason: The displacement of statoliths and other cell organelles to lower surface modifies the translocation patern of auxins.

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 C_(4) plants have a speical type of leaf anatomy called kranz anatomy. Reason: Chloroplasts of bundle sheath cells have well developed grana and starch grains.

Assertion. Respiration is most efficient in the insects. Reason . In the insects air is carried directly to the cells by tracheoles

Assertion :- Beside growth, differentiation in plants is also open. Reason:- Cells/tissues arising out of the same meristem have different structure at maturity.

MOTION-RESPIRATION IN PLANTS -EXERCISE - 4
  1. Glycolysis is

    Text Solution

    |

  2. Assertion :- During oxidation of respiratory substrate energy does not...

    Text Solution

    |

  3. Assertion :- Plants are devoid of specialised respiratory organs. R...

    Text Solution

    |

  4. Assertion :- In plants there is no need of respiratory and Circulatory...

    Text Solution

    |

  5. Assertion :- Cells oxidise glucose and other respiratory substances no...

    Text Solution

    |

  6. Assertion :- Glycolysis is the oxidative process, while there is not u...

    Text Solution

    |

  7. Assertion :- For complete breakdown of respiratory substrate Krebs cyc...

    Text Solution

    |

  8. Assertion :- In Natural alcoholic drinks (beverages) alcohol level can...

    Text Solution

    |

  9. Assertion :- Aerobic respiration yields more energy than anaerobic res...

    Text Solution

    |

  10. Assertion :- Maximum two decarboxylations can occur in each turn of Kr...

    Text Solution

    |

  11. Assertion :- Ubiquinone is one of the important earlier of respiratory...

    Text Solution

    |

  12. Assertion :- Cytochrome-C is the mobile carrier. Reason:- Cytochrom...

    Text Solution

    |

  13. Assertion :- Oxygen is vital for aerobic respiration. Reason:- Oxyge...

    Text Solution

    |

  14. Assertion :- In ETS of respiration, oxidation of one carrier and reduc...

    Text Solution

    |

  15. Assertion :- The passage of protons through complex-V is coupled to pr...

    Text Solution

    |

  16. Assertion :- Calculation of the net gain of ATP for every glucose mole...

    Text Solution

    |

  17. Assertion :- Fermentation accounts for only a partial breakdown of glu...

    Text Solution

    |

  18. Assertion :- During fermentation oxidation of NADH to NAD^(+) is c...

    Text Solution

    |

  19. Assertion :- Respiratory path is an amphibolic pathway rather than as ...

    Text Solution

    |