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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)

10th Class General Science Ch 8 KPK Boards Online Test

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

1 Which of the following is a brain of computer?
• A. Central processing unit&nbsp;
• B. Mouse&nbsp;
• C. Monitor&nbsp;
• 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 &nbsp;following are electromagnetic waves:
• A. sound&nbsp;
• B. water waves&nbsp;
• C. Ultrasound&nbsp;
• 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
• 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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