Class XI

Pepsin helps in digestion of
  1. Peptic acid
  2. Proteins
  3. Water soluble substances
  4. Fats
Due to smoking, narrow arteries bringing blood to fetus cause
  1. Child born prematurely
  2. Reduction in amount of food reaching fetus
  3. Brain development affected
  4. Risk of miscarriage
 Process of replacing defective genes with effective genes is known as
  1. Transgenic fusion
  2. Transgenic budding
  3. Transgenic injection
  4. Gene therapy
Term used to describe all of chemical reactions occurring inside any organism
  1. Condensation
  2. Oxidation
  3. Polymerization
  4. Metabolism
 If pollen grains are transferred to a flower in another plant of same kind, it is referred to as
  1. Cross pollination
  2. Self pollination
  3. Meiotic pollination
  4. Mitotic pollination
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