Class XI

 Example of red biotechnology is
  1. Antibiotics
  2. Pesticides
  3. Industrial catalysts
  4. Bt corn
Lack of dispersal mechanism leads to the
  1. Production of daughter plants exactly identical to parent plant
  2. Causes overcrowding and competition for light and water
  3. Growth of plant in a suitable environment
  4. No possibility of fertilization
Convection, conduction and radiation loose lesser heat if
  1. Heat gain center of hypothalamus is activated
  2. Heat loose center of hypothalamus is activated
  3. Low glucose detector part of hypothalamus is stimulated
  4. High glucose detector part of hypothalamus is stimulated
Oxygenated blood is supplied to rest of body through
  1. Hepatic portal vein
  2. Dorsal aorta
  3. Hepatic artery
  4. Hepatic vein
Under suitable conditions, mycelia threads grow
  1. In host cells
  2. Undergo binary fissions
  3. Form reproduction
  4. Form spores for later reproduction
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