Class XI

 Layering can be done on plants such as
  1. bulbs
  2. bougainvillea
  3. Sugar cane
  4. Oleander
Pituarity gland
  1. regulates body temperature
  2. regulates sleep
  3. is attached to hypothalamus
  4. regulates emotions
White blood cells (leukocytes) are but
  1. larger in size than red blood cells
  2. more in number than red blood cells
  3. do not contain hemoglobin
  4. contains nucleus
 Reflex actions includes
  1. breathing
  2. coughing
  3. heartbeat
  4. vasodilation
Fish inability of survival in another habitat is an example of
  1. less differentiation
  2. high differentiation
  3. less integration
  4. high integration
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