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26th Chapter

12th Class Biology Chapter 26 Test

Here you can prepare 12th Class Biology Chapter 26 Some Major Ecosystems Test. Click the button for 100% free full practice test.

Second Year Biology Chapter 26 Online MCQ Test for 2nd Year Biology Chapter 26 Some Major Ecosystems Preparation

This online test contains MCQs about following topics:.

- Aquatic or Hydrospheric Ecosystem - Terrestrial or Lithospheric Ecosystem - Some major Ecosystems in Pakistan

FSC Part 2 Biology Ch 26 Test
ic

Second Year Biology Chapter 26 Online MCQ Test for 2nd Year Biology Chapter 26 Some Major Ecosystems Preparation

Sr. # Questions Answers Choice
1 What will be the age of willow tree 10 centimeter long and 70 centimeter in diameter
  • A. 40 years
  • B. 50 years
  • C. 60 years
  • D. 70 years
2 Modern man is called
  • A. Homo erectus
  • B. Homo habilis
  • C. Homo sapiens
  • D. Homo neanderthalensis
3 The productivity of aquatic ecosystem is determined by light and
  • A. CO2
  • B. Temperature
  • C. Nutrients
  • D. Water
4 Which statement defines the net primary production in an ecosystem over a given time period?
  • A. The total amount of organic matter in the plants in excess of that used in respiration
  • B. The total amount of organic matter used in respiration by all the organisms present
  • C. The total amount of photosynthesis product from all plants
  • D. The total amount of organic matter in all organisms present
5 The decline in thickness of the ozone layer is caused by increasing level of
  • A. Chlorofluorocarbon
  • B. Nitrogen
  • C. Chlorine
  • D. Carbon dioxide
6 Which of the following is NOT recycled in ecosystem?
  • A. Carbon
  • B. Sulphur
  • C. Energy
  • D. Water
7 The study of hman populations and things that affect them is called:
  • A. Angiography
  • B. Demography
  • C. Mammography
  • D. Homography
8 The earth surface covered with water is
  • A. 35%
  • B. 11%
  • C. 21%
  • D. 33%
9 At the time of independence in 1947 the population of pakistan was
  • A. 10 m
  • B. 20 m
  • C. 25.7 m
  • D. 32.5 m
10 Which of the following is the most fragile ecosystem.
  • A. Grass land
  • B. Wood land
  • C. Tundra
  • D. Savanna

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Share your comments questions here
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  • I

    Isha

    30 Apr 2018

    New members k numbers yahan per q nai a rahe...?

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  • M

    Mir

    04 Jan 2018

    Best test

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  • I

    Israijaz

    09 Feb 2017

    all mcsqs of part 2

    Like
    Reply
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