Home
Class 12
BIOLOGY
Assertion :- Excess of Mn may induce def...

Assertion :- Excess of Mn may induce deficiency of Fe, Mg & Ca.
Reason:- Excess of Mn compete with uptake of Fe & Mg and inhibit translocation of Ca to shoot apex.

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

  • MINERAL NUTRITION

    MOTION|Exercise EXERCISE-3|33 Videos

  • LOCOMOTION & MOVEMENT

    MOTION|Exercise EXERCISE -4 (AIIMS Assertion & Reason Questions)|27 Videos

  • MOLECULAR BASIS OF INHERITANCE

    MOTION|Exercise EXERCISE - 4 (ASSERTION & REASON)|36 Videos

Similar Questions

Explore conceptually related problems

Excess of Mn in soil leads to deficiency of Ca, Mg and Fe. Justify.

Assertion: Necrosis occurs due to deficiency of Ca, Mg, Cu and K. Reason: Necrosis is the death of tissue, particularly leaf tissue.

Toxicicity of manganese in aplant result in a. Brown spot surrounded by chlorotic venis, b. Increases in uptake of Fe, c. Inhabition of Ca translocation in shoot apex

State true or false : (i) In the initial phase of absorbation of elements the ions are absorbed passively. (ii) Deficiency of manganese leads to inhibition of Ca translocation to shoot apex.

Read the following statements regarding the mineral nutrition in plants (1) For the elements that are actively mobilized within the plants, the deficiency symptoms tend to appear first in the young tissues. (2) Manganese competes with iron and magnesium for uptake and with magnesium for binding with enzymes. (3) Manganese inhibits calcium traslocation in shoot apex. (4) Rhodospirillum is aerobic free-living nitrogen fixing microbe. Which of these are correct

Read the following statements regarding the mineral nutrition in plants (1) For the elements that are actively mobilized within the plants, the deficiency symptoms tend to appear first in the young tissues. (2) Manganese competes with iron and magnesium for uptake and with magnesium for binding with enzymes. (3) Manganese inhibits calcium traslocation in shoot apex. (4) Rhodospirillum is aerobic free-living nitrogen fixing microbe. Which of these are correct

How many of the following statements describing the functions of Mn are true? I .Mn is required during non - cyclic photophosphorylation II. Mn competes with iron and magnesium for uptake . III.Mn promotes calcium translocation in the shoot apex. IV. Mn is an activator of many respiratory enzymes.

Assertion: Melting point of Mn is more than that of Fe. Reason : Mn has higher number of unpaired e^(2) than Fe in atomic state.

MOTION-MINERAL NUTRITION -EXERCISE-4
  1. Assertion :- Plants show chlorosis on deficiency of iron. Reason:- I...

    Text Solution

    |

  2. Assertion :- Boron is essential for sexual reproduction in flowering p...

    Text Solution

    |

  3. Assertion :- In all plants Mo is essential for nitrogen metabolism. ...

    Text Solution

    |

  4. Assertion :- The element is said to be deficient when present below th...

    Text Solution

    |

  5. Assertion :- Deficiency symptoms of NPK first appear on old plant part...

    Text Solution

    |

  6. Assertion :- Deficiency of any element can cause multiple symptoms. ...

    Text Solution

    |

  7. Assertion :- Moderate decrease of micronutrients causes the deficiency...

    Text Solution

    |

  8. Assertion :- Excess of Mn may induce deficiency of Fe, Mg & Ca. Reas...

    Text Solution

    |

  9. Assertion :- Initial uptake of ions is rapid while second phase of upt...

    Text Solution

    |

  10. Assertion :- Entire ammonia arise from ammonification get converted in...

    Text Solution

    |

  11. Assertion :- Nitrifying bacteria are chemoautotrophs. Reason:- Nitri...

    Text Solution

    |

  12. Assertion :- Conversion of nitrate to ammonia takes place in leaves wh...

    Text Solution

    |

  13. Assertion :- Only certain prokaryotic species are capable of fixing ni...

    Text Solution

    |

  14. Assertion :- Both Rhizobium and Frankia are free living bacteria. Re...

    Text Solution

    |

  15. Assertion :- Enzyme nitrogenase is highly sensitive to the molecular o...

    Text Solution

    |

  16. Assertion :- Nitrogen fixation is one of the energy dependent process....

    Text Solution

    |

  17. Assertion :- Transport proteins of root endodermal cells are control p...

    Text Solution

    |

  18. Assertion :- All minerals can not be passively absorbed by the roots. ...

    Text Solution

    |

  19. Assertion :- Active mineral absorption favours passive absorption of w...

    Text Solution

    |

  20. Assertion :- Most of the mineral absorption by plant is active process...

    Text Solution

    |