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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 Digital singles are represented by;
  • A. zero and 1
  • B. zero and 10
  • C. 1 and 2
  • D. o and 9
2 Which of the following is used as rectifier;
  • A. semi - conductor diode
  • B. resistors
  • C. capacitors
  • D. Germanium
3 The frequency of the carrier waver used of radio transmission:
  • A. 30 KHZ
  • B. 40 KHZ
  • C. 50 KHZ
  • D. 60 KHZ
4 The examples of semi - conductors:
  • A. sodium and potassium
  • B. calcium and potassium
  • C. Germanium and silicon
  • D. carbon and nitrogen
5 Word"Computer" is derive from.
  • A. Machine
  • B. Calculator
  • C. Compute
  • D. All of these
6 Which element is used  to make LED?
  • A. Aluminum 
  • B. Calcium 
  • C. sodium 
  • D. Arsenic 
7 Electric signal is converted into digital signal by.
  • A. Key board
  • B. Monitor
  • C. Scanner
  • D. Modem
8 Hovering satellite completes its rotation in 24 hours at the height of:
  • A. 360 km 
  • B. 3600 km 
  • C. 36000 km 
  • D. 360000 km 
9 The numebr (100)16 in decimal is equal to............. in binary.
  • A. 1110100
  • B. 01011101
  • C. 1100100
  • D. <u>1001001</u>
10 Revolutionary charges have occur in last ............. years.
  • A. 30
  • B. 40
  • C. 50
  • D. 60

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