Class IX

While cutting big molecules to smaller molecules, enzymes may be called as
  1. molecular knife
  2. molecular lancet
  3. molecular fork
  4. molecular scissors
After receptors sense stimulus,
  1. a negative feedback is generated
  2. a self imposed sweating is produced
  3. self-corrective mechanism is launched
  4. all of these
Tears are spread over eyeball with help of
  1. eyelids
  2. rectus muscles
  3. eyelids
  4. cornea
To hydrolyze Tristearin, enzyme used is
  1. sucrose
  2. lipase
  3. maltase
  4. amylase
Tactile means ability to
  1. touch
  2. taste
  3. tackle
  4. treat
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