NEET 2019 · Class 11

Respiration in Plants

Conversion of glucose to glucose-6-phosphate, the first irreversible reaction of glycolysis, is catalysed by: [2019]

  1. (A)Aldolase
  2. (B)Hexokinase
  3. (C)Enolase
  4. (D)Phosphofructokinase

The NCERT line that answers it

Verbatim line

Glucose and fructose are phosphorylated to give rise to glucose-6-phosphate by the activity of the enzyme hexokinase.

Chapter
Respiration in Plants
Section
12.2 GLYCOLYSIS

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states that glucose is phosphorylated to glucose-6-phosphate by hexokinase, which directly matches the question's description of the first irreversible reaction of glycolysis.

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