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11th Unit

10th class General Science Ch 11 (English Medium)

Here you can prepare 10th General Science chapter 11 online MCQ test with answers (Unit 11 Science Technology and Development). Click the button for 100% free full practice test.

Matric Part 2/10th Class General Science Chapter 11 MCQ Test With Answer for Unit 11(Science Technology and Development)

Matric Part 2/10th Class General Science Chapter 11 MCQ Test With Answer for Unit 11(Science Technology and Development)

Sr. # Questions Answers Choice
1 The examples of semi - conductors:
  • A. sodium and potassium
  • B. calcium and potassium
  • C. Germanium and silicon
  • D. carbon and nitrogen
2 Which disk consisting of metal plates for recording.
  • A. Floopy
  • B. RAM
  • C. HARD
  • D. CD
3 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
4 Which of the following is used as rectifier;
  • A. semi - conductor diode
  • B. resistors
  • C. capacitors
  • D. Germanium
5 Revolutionary charges have occur in last ............. years.
  • A. 30
  • B. 40
  • C. 50
  • D. 60
6 The current flow from p-type semi conductors is due to.
  • A. Free electrons
  • B. Valance electrons
  • C. Doping
  • D. Hole
7 Which of the &nbsp;following are electromagnetic waves:
  • A. sound&nbsp;
  • B. water waves&nbsp;
  • C. Ultrasound&nbsp;
  • D. light
8 In P-type semi -conductior, most of the current is due to.
  • A. Free electron
  • B. Holes
  • C. Positive ions
  • D. Heat
9 Which element is used &nbsp;to make LED?
  • A. Aluminum&nbsp;
  • B. Calcium&nbsp;
  • C. sodium&nbsp;
  • D. Arsenic&nbsp;
10 English word "9" has been divided into ............ segments.
  • A. 5
  • B. 6
  • C. 7
  • D. 8

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