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Life Processes — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceLife Processes1 Mark
MCQ
Absorption of light energy by chlorophy $\ce{ll}.$
  • A
    Only two of the following statements accurately describe what happens in the mouth.
  • B
    Amylase breaks down large starch molecules into smaller maltose molecules.
  • ✓
    Chewing increases the surface area of food for digestion.
  • D
    Saliva emulsifies fats into smaller droplets.
✓

Answer

Correct option: C.
Chewing increases the surface area of food for digestion.
Photosynthesis involves the conversion of light energy into chemical energy by chlorophy $\ce{ll}.$ In this process, carbon dioxide is reduced to carbohydrates.

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