CBSE Class 12 Economics (Urdu) Question Paper 2018 with Answer Key (March 26, Set 3 - 251/3)

CBSE CLASS XII Questions

• 1.

  Flowering plants with hermaphrodite flowers have developed many reproductive strategies to ensure cross-pollination. Study the given outbreeding devices adopted by certain flowering plants and answer the questions that follow.
  
  Note : All plants belong to the same species. No pollen tube growth/inhibition of pollen germination on stigma. Pollen germination on stigma.

  • [(a)] Name and define the outbreeding device described in the above table.
  • [(b)] Explain what would have been the disadvantage to the plant in the absence of the given strategy.

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• 2.

  परसेवा का आनंद — 120 शब्दों में रचनात्मक लेख लिखिए:

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• 3.

  Show that \( \mathbf{E} = \rho \mathbf{J} \) leads to Ohm's law. Write a condition in which Ohm's law is not valid for a material.

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• 4.

  In the post-independence era, the policy makers of India pushed for ‘self-reliance’ for the first _______ Five Year Plans. (Choose the correct option to fill in the blank)

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• 5.

  Write a letter to the editor of a local newspaper expressing your concerns about the increasing “Pollution levels in your city”. You are an environmentalist, Radha/Rakesh, 46, Peak Colony, Haranagar. You may use the following cues along with your own ideas:
  

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• 6.

  Untouchability is not only a crime, it is inhuman too. Why and how does Bama decide to fight against it? (Memories of Childhood)

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