Class XI

 Carbon (C) requirements are met through organic compounds in
  1. Autotrophic nutrition
  2. Photoautotrophic nutrition
  3. Chemoautotrophs
  4. Heterotrophic nutrition
Glands normally produce
  1. enzymes
  2. saliva
  3. hormones
  4. all of these
Glands normally produce
  1. Enzymes
  2. Saliva
  3. Hormones
  4. All of these
Adipose tissues store excess fats
  1. around heart
  2. around kidneys
  3. under skin
  4. in all of these
 Drug is
  1. produced by endocrine glands
  2. produced by exocrine glands
  3. A.are secreted through pituitary gland
  4. are externally administered chemical substances
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