Matric Part 1/9th Class Biology Chapter 1 Short Questions Test With Answer for Chapter 1 (Introduction to Biology)

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Online Short Questions For Chapter 1 "9th Class Biology Urdu Medium Chapter 1 Preparation "

Try The Short Questions For 9th Class Biology Urdu Medium Chapter 1 Preparation

  • Total Questions10

  • Available Sets2

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Biology (New Book) - 9th Class Biology Urdu Medium Chapter 1 Preparation

Question # 1

Difference betwwen Theory and Pricniple

  • Ans 1: Theory:- If th ehypothesis is found to be correct then it becomes a theory. It is supported by a number of evidences. A theory can be changed if better evidence is available
    Example: The theory of evolution
  • Ans 2: Principle:
    A theory that has been verified and apears to have wide application may become biological pricniple or law
    Example: Mendel's laws of inheritance
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Prepare Complete Set Wise Questions For Chapter 1 "9th Class Biology Urdu Medium Chapter 1 Preparation "

9th Class Biology Urdu Medium Chapter 1 Preparation - Set 1

Question # 1

Difference betwwen Theory and Pricniple

  • Ans 1: Theory:- If th ehypothesis is found to be correct then it becomes a theory. It is supported by a number of evidences. A theory can be changed if better evidence is available
    Example: The theory of evolution
  • Ans 2: Principle:
    A theory that has been verified and apears to have wide application may become biological pricniple or law
    Example: Mendel's laws of inheritance
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9th Class Biology Urdu Medium Chapter 1 Preparation - Set 2

Question # 1

What is the contribution of the followign scientists.
a) A.F.A.King
b) Ronald Ross
c) Laveran

  • Ans 1: a) A.F.A. King
    In 1883, a physician A.F.A. King listed twenty obserations. Some impottant obserations of king are
    1. People who slept outdoors were more likely to get malaria than those who slept indoors.
    2. People who slept under fine nets were less likely to get malaria than those who did not use such nets.
    3. People who slept near a smoky fire usually did not get malaria. On the basis of these obserations King suggested a hypotheisi. "Mosquitoes transmit Plasmodium so are involved in the spread of malaria".
  • Ans 2: Ronald Ross:
    Ross, a British army physician working in India performed important experiment to confirm that mosqueito transmits plasmodium
  • Ans 3: Laveran:
    A french physician Laveran in 1882 formulated followign hypothesis on the basis of malarial observatins.
    "Plasmodium is the cause of malaria".
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9th Biology Urdu Medium Chapter 1 Preperation

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