Class XI

 Chemical energy trapped in dead bodies is released in form of
  1. Light energy
  2. Kinetic energy
  3. Heat energy
  4. Chemical energy
Region in ovary to which ovule are attached is called
  1. Funicle
  2. Peduncle
  3. Receptacle
  4. Placenta
 Active ingredient causing thinning of blood in aspirin is
  1. Benzoic acid
  2. Picric acid
  3. Hydrochloric acid
  4. Salicylic acid
Number of lobes in each anther is
  1. 1
  2. 2
  3. 3
  4. 4
Pests may be not be destroyed through
  1. Parasites
  2. Insecticides
  3. Herbicides
  4. Pesticides
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