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Life Processes — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceLife Processes1 Mark
MCQ
Choose the forms in which most plants absorb nitrogen :
  1. Proteins.
  2. Nitrates and Nitrites.
  3. Urea.
  4. Atmospheric nitrogen.
  • A
    $(i)$ and $(ii).$
  • ✓
    $(ii)$ and $(iii).$
  • C
    $(iii)$ and $(iv).$
  • D
    $(i)$ and $(iv).$
✓

Answer

Correct option: B.
$(ii)$ and $(iii).$
Plants cannot take up atmospheric nitrogen and hence option $'iv\ ’$ is incorrect. Protein is synthesized by plants and hence option $'i\ ’$ is incorrect.

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