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9th Unit

10th class General Science Ch 9 (English Medium)

Here you can prepare 10th General Science chapter 9 online MCQ test with answers (Unit 9 Water Resources). Click the button for 100% free full practice test.

Matric Part 2/10th Class General Science Chapter 9 MCQ Test With Answer for Unit 9(Water Resources)

Matric Part 2/10th Class General Science Chapter 9 MCQ Test With Answer for Unit 9(Water Resources)

Sr. # Questions Answers Choice
1 Emission of ratiations from nucleus is said to be
  • A. Chemical reaction
  • B. Atomic reaction
  • C. Radioactivity
  • D. Nuclear fission
2 The process of manufacturing food in pants;
  • A. Respiration 
  • B. Digestion 
  • C. Fermentation 
  • D. Photosynthesis 
3 If we increasing angle of incidence then at a particular angle incidence the angel of refraction is.
  • A. 45 <sup>o</sup>
  • B. 60 <sup>o</sup>
  • C. 30 <sup>o</sup>
  • D. 90 <sup>o</sup>
4 Frequency of ultrasound is.
  • A. Less than 20 Hz
  • B. 20 KHz
  • C. 30 KHz
  • D. More than 20 khn
5 The principal of light on whihc the fibre optics works is.
  • A. Reflection
  • B. Refraction
  • C. Total internal reflection
  • D. Dispersion
6 The light of laser is:
  • A. monochromatic&nbsp;
  • B. dichromatic&nbsp;
  • C. trichromatic&nbsp;
  • D. Tetrachrmatic&nbsp;
7 The rays which are liberated from metal due to collision of fast moving electrons:
  • A. Alpha rays&nbsp;
  • B. Beta rays&nbsp;
  • C. Gamma rays
  • D. x - rays
8 Phosphorous.... and sulphur 35 are employed on living system to trace metabolic path.
  • A. 31
  • B. 30
  • C. 38
  • D. 32
9 Which radiation have zero mass number
  • A. Alpha radiation
  • B. Beta ratiation
  • C. Gamma radiation
  • D. None of these
10 Element having atomic numebr greater than.......... go on emitting radiations.
  • A. 80
  • B. 92
  • C. 82
  • D. 83

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