Home
Class 12
BIOLOGY
Which one of the following roles is not ...

Which one of the following roles is not characteristic of an essential element?

A

Being a component of biomolecules

B

Changing the chemistry of soil

C

Being-a structural component of energy related chemical compounds

D

Activation or inhibition of enzymes

Text Solution

Verified by Experts

The correct Answer is:
b
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • NCERT Exemplar Questions +1 (LOCOMOTION AND MOVEMENT)

    TRUEMAN BIOLOGY|Exercise MCQs|12 Videos

  • NCERT Exemplar Questions +1 (MORPHOLOGY OF FOLWERING PLANTS )

    TRUEMAN BIOLOGY|Exercise MCQs|9 Videos

Similar Questions

Explore conceptually related problems

Which of the following is not criterion for essentiality of an element?

Which one of the following is not a criteria for essentiality of an element according to arnon and stout?

Knowledge Check

  • Which of the following is not a characteristic of transition elements?

    A
    Variable oxidations state
    B
    Formation if coloured compounds
    C
    Formation of intersititial compounds
    D
    Natural radioactivity

  • Which of the following characteristics defines an element as essential element for a particular species

    A
    If it is missing a plant cannot grow or reproduce normally.
    B
    If it is absent other nutrients may be substituted for it
    C
    If it is present in high concentration plant growth increases
    D
    For high seed production it has to be added as a fertilizer

  • Which one of the following is 'Arnon's criterion for essentiality' of element?

    A
    in the abdsence of element plant do not complete their life cycle or set seeds
    B
    Deficiency of element cannot be met by supplying other element
    C
    Element must be directly involved in metabolism of the plant
    D
    all of the above

    • Similar Questions

    Explore conceptually related problems

    Which one of the following is a role of forests?

    One of the defining characteristics of an essential element is that it

    Which of the following are the characteristics of isotopes of an element ?

    Which of the following configurations is characteristic of group 13 elements?

    Which of the following configurations is characteristic of Group 15 elements?

    Home
    Profile