10th Standard CBSE - Science - Management of Natural Resources

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Question - 1

From the list given below pick the item that is not a natural resource

  • A Soil
  • B Water
  • C Electricity
  • D Air

Question - 2

The most rapidly dwindling natural resource in the world is 

  • A water
  • B forests
  • C wind
  • D sunlight

Question - 3

The most appropriate definition of a natural resource is that it is a substance/ commodity that is 

  • A present only on land
  • B a gift of nature which is very useful to mankind
  • C a man-made substance placed in nature
  • D available only in the forest

Question - 4

The main cause for abundant coliform bacteria in the river Ganga is

  • A disposal of unburnt corpses into water
  • B discharge of effluents from electroplating industries
  • C washing of clothes
  • D immersion of ashes

Question - 5

The pH of water sample collected from a river was found to be acidic in the range of 3.5 - 4.5, on the banks of the river were several factories that were discharging effluents into the river. The effluents of which one of the following factories is the most likely cause for lowering the pH of river water?

  • A Soap and detergent factory
  • B Lead battery manufacturing factory
  • C Plastic cup manufacturing factory
  • D Alcohol distillery

Question - 6

The pH range most conductive for life of fresh water plants and animals is 

  • A 6.5 - 7.5
  • B 2.0 - 3.5
  • C 3.5 - 5.0
  • D 9.0 - 10.5

Question - 7

The three R's that will help us to conserve natural resources for long term use are

  • A recycle, regenerate, reuse
  • B reduce, regenerate, reuse
  • C reduce, reuse, redistribute
  • D reduce, recycle, reuse

Question - 8

Given below are a few statements related to biodiversity. Pick those that correctly describe the concept of biodiversity
(i) Biodiversity refers to the different species of flora and fauna present in an area
(ii) Biodiversity refers to only the flora of a given area
(iii) Biodiversity is greater in a forest
(iv) Biodiversity refers to the total number of individuals of a particular species living in an area 

  • A (i) and (ii)
  • B (ii) and (iv)
  • C (i) and (iii)
  • D (ii) and (iii)

Question - 9

Among the statements given below select the ones that correctly describe the concept of sustainable development
(i) Planned growth with minimum damage to the environment
(ii) Growth irrespective of the extent of damage caused to the environment
(iii) Stopping all developmental work to conserve the environment
(iv) Growth that is acceptable to all the stakeholders

  • A (i) and (iv)
  • B (ii) and (iii)
  • C (ii) and (iv)
  • D (iii) only

Question - 10

In our country vast tracts of forests are cleared and a single species of plant is cultivated. This practice promotes

  • A biodiversity in the area
  • B monoculture in the area
  • C growth of natural forest
  • D preserves the natural ecosystem in the area
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