Class X

Which of the following is non-biodegradable?
  1. Tea leaves
  2. Nylon
  3. remains of animals
  4. fleece of sheep
What percentage of sunlight is captured by plants to convert it into food energy?
  1. 1%
  2. 10%
  3. 50%
  4. more than 50%
A detritus food chain begins with
  1. Carnivores
  2. Herbivores
  3. Omnivores
  4. Decomposers
Which of the following is an example of producers?
  1. Plastic pens
  2. Plastic cans
  3. Polythene
  4. Green plants
_______ is an omnivore animal.
  1. Lion
  2. Hawk
  3. Jackal
  4. Man
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