NTA Abhyas 2020
- Exam
- NTA Abhyas
- Year
- 2020
- Subject
- Botany
- Chapter
- Mineral Nutrition
NTA Abhyas 2020 · Botany · Mineral Nutrition
Mark out the number of incorrect statement/s: [I] Some essential...
Mark out the number of incorrect statement/s:
[I] Some essential elements can alter the osmotic potential of a cell.
[II] Nitrogen is required by the meristematic tissues and the metabolically active cells only.
[III] Mg^{+2}& is needed by several respiratory enzymes.
[IV] Mo is essential for the water-splitting reaction in photosynthesis, a reaction that leads to oxygen evolution.
[V] Sulphur is the main constituent of several coenzymes, vitamins (thiamine, biotin, coenzyme-A) and ferredoxin.
[I] Some essential elements can alter the osmotic potential of a cell.
[II] Nitrogen is required by the meristematic tissues and the metabolically active cells only.
[III] Mg^{+2}& is needed by several respiratory enzymes.
[IV] Mo is essential for the water-splitting reaction in photosynthesis, a reaction that leads to oxygen evolution.
[V] Sulphur is the main constituent of several coenzymes, vitamins (thiamine, biotin, coenzyme-A) and ferredoxin.
Options
- ATwo
- BThree
- CFour
- DFive
Correct answer
A. Two
Step-by-step solution
Statement II and IV are incorrect. Mn is essential for water splitting and Nitrogen is needed by all the cells. Nitrogen is required by all parts of a plant, particularly the meristematic tissues and the metabolically active cells.