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8th Unit

10th class General Science Ch 8 (English Medium)

Here you can prepare 10th General Science chapter 8 online MCQ test with answers (Unit 8 Biotechnology). Click the button for 100% free full practice test.

Matric Part 2/10th Class General Science Chapter 8 MCQ Test With Answer for Unit 8(Biotechnology)

Matric Part 2/10th Class General Science Chapter 8 MCQ Test With Answer for Unit 8(Biotechnology)

Sr. # Questions Answers Choice
1 Which of the following is a brain of computer?
  • A. Central processing unit 
  • B. Mouse 
  • C. Monitor 
  • D. Hard disc
2 Operation " 2+3" in computer performed by.
  • A. CU
  • B. CPU
  • C. ALU
  • D. None of these
3 Which of the  following are electromagnetic waves:
  • A. sound 
  • B. water waves 
  • C. Ultrasound 
  • D. light
4 the number of (101)<sub>10</sub> in decimal is equal to .......... inbinary.
  • A. 0101111
  • B. 0000101
  • C. 10101101
  • D. 1100101
5 The elements used to increase the number of free electrons in the semi - conductor belong to:
  • A. 2<sup>nd</sup> group &nbsp;
  • B. 3<sup>rd</sup> group&nbsp;
  • C. 4<sup>th</sup> group
  • D. 5<sup>th</sup> group
6 Purose of electron gun in TV is to.
  • A. Fire electron
  • B. Receive electron
  • C. Consume electron
  • D. Display picture
7 Hovering satellite completes its rotation in 24 hours at the height of:
  • A. 360 km&nbsp;
  • B. 3600 km&nbsp;
  • C. 36000 km&nbsp;
  • D. 360000 km&nbsp;
8 in binary system. 37 is written as.
  • A. 101101
  • B. 100101
  • C. 110011
  • D. 101011
9 The numebr (100)16 in decimal is equal to............. in binary.
  • A. 1110100
  • B. 01011101
  • C. 1100100
  • D. <u>1001001</u>
10 Diodes are used to.
  • A. Convert A.C. into D.C
  • B. Convert D.C into A.C
  • C. Store Charge
  • D. Change voltage

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