Class IX

If temperature of penguins rises above 38 °C, they
  1. cuddle together
  2. pant
  3. increase metabolic rate
  4. respire on stored fat
Pathologists are people who learn about
  1. Animal Husbandry
  2. Classification
  3. Population Growth
  4. Plant diseases
All are mechanisms to prevent heat loss in small mammals, but,
  1. low metabolic rate
  2. high food intake
  3. avoid temperature extremes
  4. living in burrows
Grasses are mostly
  1. insect pollinated
  2. wind pollinated
  3. cross pollinated
  4. self pollinated
In any ecosystem, form of energy that can not be recycled is
  1. In any ecosystem, form of energy that can not be recycled is
  2. chemical energy
  3. heat energy
  4. mechanical energy
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