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Match the column-I and II, choose the correct option.
Column I Column II P. Silicon (i) In the structure of coenzymes Q. Nickel (ii) Required for nitrogen fixation in leguminous plants R. Sulphur (iii) As a component of cell walls S. Cobalt (iv) Required for iron absorption
- P(iii),Q(iv),R(i)S(ii)
- P(ii),Q(iii),R(i)S(iv)
- P(iii),Q(iv),R(ii)S(i)
- P(ii),Q(iv),R(ii)S(i)
| Column I | Column II |
| P. Silicon | (i) In the structure of coenzymes |
| Q. Nickel | (ii) Required for nitrogen fixation in leguminous plants |
| R. Sulphur | (iii) As a component of cell walls |
| S. Cobalt | (iv) Required for iron absorption |
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Solution
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- Silicon is found in the plant cell walls which are secondarily thickened.
- Nickel is involved in iron absorption.
- Sulphur is a component of coenzyme-A.
- Cobalt is required by Rhizobium and other nitrogen-fixing microorganisms to fix nitrogen in leguminous plants.
Hence, the correct match is- P(iii),Q(iv),R(i),S(ii)So, the correct answer is C.
- Silicon is found in the plant cell walls which are secondarily thickened.
- Nickel is involved in iron absorption.
- Sulphur is a component of coenzyme-A.
- Cobalt is required by Rhizobium and other nitrogen-fixing microorganisms to fix nitrogen in leguminous plants.
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