2. A carnivore with stripes on its body moves very fast while catching its prey. It is likely to be found in

  1. polar regions
  2. deserts
  3. oceans
  4. tropical rainforests

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3. Which features adapt polar bears to live in extremely cold climate?

  1. A white fur, fat below skin, keen sense of smell.
  2. Thin skin, large eyes, a white fur.
  3. A long tail, strong claws, white large paws.
  4. White body, paws for swimming, gills for respiration.

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4. Which option best describes a tropical region?

  1. hot and humid
  2. moderate temperature, heavy rainfall
  3. cold and humid
  4. hot and dry

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6. During heavy exercise, we get cramps in the legs due to the accumulation of

  1. carbon dioxide
  2. lactic acid
  3. alcohol
  4. water

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7. Normal range of breathing rate per minute in an average adult person at rest is:

  1. 9–12
  2. 15-18
  3. 21-24
  4. 30-33

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9. Which one of the following is not responsible for water shortage?

  1. Rapid growth of industries
  2. Increasing population
  3. Heavy rainfall
  4. Mismanagement of water resources

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