Class X

Examples of impacts of humans on ecosystems balance includes
  1. overpopulation
  2. urbanization
  3. deforestation
  4. all of above
Petroleum burning in air leads to the
  1. methane
  2. oxygen
  3. sulphur dioxide
  4. nitrogen dioxide
Parasites that lives on surface of body of host to get food are called
  1. digestion parasites
  2. synthetic parasites
  3. endoparasites
  4. ectoparasites
Interactions between different species members are known as
  1. intraspecific interactions
  2. interspecific interactions
  3. co-dominance interactions
  4. dominance interactions
Animals that are fed on plants are classified as
  1. secondary producers
  2. herbivores
  3. carnivores
  4. omnivores
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