Class IX

At a pH 7 to 9, activity of amylase
  1. stops
  2. slows
  3. expedites
  4. ends
Before fertilization, ovary has
  1. one nucleus
  2. two nuclei
  3. three nuclei
  4. more than four nuclei
Mycoproteins has a texture of
  1. cheese
  2. proteins
  3. fats
  4. starch
Internal reflection of light is prevented through the
  1. sclerotic coat
  2. choroid coat
  3. iris
  4. pupil
Binding of enzyme and substrate on active site is explained through
  1. hide and seek hypothesis
  2. lock and hide hypothesis
  3. lock and run hypothesis
  4. lock and key hypothesis
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