Biology mcqs class 9


these are biology mcqs for 9th class test preparation



What does CPU stand for?

a) Central Processing Unit

b) Computer Processing Unit

c) Central Power Unit

d) Computer Power Unit

Answer: a) Central Processing Unit

 

Which of the following is a type of volatile memory?

a) ROM

b) RAM

c) Cache

d) Hard Disk

Answer: b) RAM

 

What is the smallest unit of digital information?

a) Byte

b) Kilobyte

c) Bit

d) Megabyte

Answer: c) Bit

 

What does GUI stand for?

a) Graphical User Interface

b) General User Interface

c) Graphics Unit Interface

d) General User Instruction

Answer: a) Graphical User Interface

 

What is the purpose of an operating system?

a) To run applications

b) To manage hardware resources

c) To connect to the internet

d) To create spreadsheets

Answer: b) To manage hardware resources

 

Which of the following is an example of a high-level programming language?

a) C++

b) Assembly language

c) Binary code

d) Machine language

Answer: a) C++

 

What does HTML stand for?

a) Hypertext Markup Language

b) Hyperlink and Text Markup Language

c) Hypertext Management Language

d) Hyperlink Markup Language

Answer: a) Hypertext Markup Language

 

Which of the following is an output device?

a) Keyboard

b) Mouse

c) Printer

d) Scanner

Answer: c) Printer

 

What does URL stand for?

a) Uniform Resource Locator

b) Universal Reference Locator

c) Unified Resource Locator

d) User Resource Locator

Answer: a) Uniform Resource Locator

 

Which of the following is an example of a cloud storage service?

a) Google Drive

b) Microsoft Excel

c) Adobe Photoshop

d) VLC Media Player

Answer: a) Google Drive

 

What is the purpose of a firewall?

a) To protect against viruses

b) To filter spam emails

c) To control network traffic

d) To increase internet speed

Answer: c) To control network traffic

 

Which of the following is a programming paradigm?

a) Object-Oriented Programming

b) Virus Programming

c) Email Programming

d) Network Programming

Answer: a) Object-Oriented Programming

 

What is the function of an input device?

a) To display output

b) To store data

c) To receive data from the user

d) To process data

Answer: c) To receive data from the user

 

What does RAID stand for?

a) Redundant Array of Independent Disks

b) Random Access Integrated Drive

c) Rapid Access Integrated Disk

d) Remote Access and Information Database

Answer: a) Redundant Array of Independent Disks

 

Which of the following is an example of an assembly language?

a) Java

b) C++

c) Python

d) MIPS

Answer: d) MIPS

 

What is the purpose of an antivirus software?

a) To protect against physical damage

b) To prevent unauthorized access

c) To remove viruses and malware

d) To improve computer performance

Answer: c) To remove viruses and malware

 

Which of the following is a web browser?

a) Microsoft Word

b) Internet Explorer

c) Photoshop

d) Windows Media Player

Answer: b) Internet Explorer

 

What does LAN stand for?

a) Local Access Network

b) Local Area Network

c) Long Area Network

d) Large Access Network

Answer: b) Local Area Network

 

Which of the following is a binary number system?

a) Base 2

b) Base 10

c) Base 16

d) Base 8

Answer: a) Base 2

 

What does SSD stand for?

a) Solid State Drive

b) Serial Storage Device

c) System Storage Disk

d) Secure Storage Drive

Answer: a) Solid State Drive


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