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Biology · PYQ NEET UG 2018

हिन्दी

The two functional groups characteristic of sugars are

  1. carbonyl and phosphate
  2. carbonyl and methyl
  3. hydroxyl and methyl
  4. carbonyl and hydroxyl

Correct answer · Option 4

carbonyl and hydroxyl

Explanation

Sugars (carbohydrates) are fundamentally polyhydroxy aldehydes or ketones, meaning they characteristically possess hydroxyl and carbonyl functional groups.
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