Q. What is the indirect speech of the sentence: 'She said, I am going to the market.'? (2021)
A.
She said that she is going to the market.
B.
She said that she was going to the market.
C.
She said that she goes to the market.
D.
She said that she had gone to the market.
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Solution
In indirect speech, the present continuous tense changes to past continuous tense.
Correct Answer: B — She said that she was going to the market.
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Q. What is the indirect speech of: 'He said, I am reading a book.'? (2019)
A.
He said that he was reading a book.
B.
He said that he is reading a book.
C.
He said that he read a book.
D.
He said that he has read a book.
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Solution
In indirect speech, the present continuous tense changes to past continuous tense.
Correct Answer: A — He said that he was reading a book.
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Q. What is the indirect speech of: 'He said, I have finished my work.'? (2021)
A.
He said that he has finished his work.
B.
He said that he had finished his work.
C.
He said that he finished his work.
D.
He said that he was finishing his work.
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Solution
In indirect speech, the present perfect tense changes to past perfect tense.
Correct Answer: B — He said that he had finished his work.
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Q. What is the indirect speech of: 'She said, I am tired.'? (2023)
A.
She said that she is tired.
B.
She said that she was tired.
C.
She said that she tired.
D.
She said that she has been tired.
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Solution
In indirect speech, the present tense changes to past tense.
Correct Answer: B — She said that she was tired.
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Q. What is the indirect speech of: 'The teacher said, You must complete your homework.'? (2022)
A.
The teacher said that we must complete our homework.
B.
The teacher said that we had to complete our homework.
C.
The teacher said that we should complete our homework.
D.
The teacher said that we could complete our homework.
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Solution
In indirect speech, 'must' changes to 'had to'.
Correct Answer: B — The teacher said that we had to complete our homework.
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Q. What is the largest desert in the world? (2022)
A.
Sahara
B.
Arabian
C.
Gobi
D.
Antarctic
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Solution
The largest desert in the world is the Antarctic Desert.
Correct Answer: D — Antarctic
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Q. What is the largest organ in the human body? (2020)
A.
Heart
B.
Liver
C.
Skin
D.
Lungs
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Solution
The largest organ in the human body is the skin.
Correct Answer: C — Skin
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Q. What is the largest planet in our solar system? (2023)
A.
Earth
B.
Mars
C.
Jupiter
D.
Saturn
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Solution
Jupiter is the largest planet in our solar system.
Correct Answer: C — Jupiter
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Q. What is the main advantage of using chromatography for group identification? (2021)
A.
Speed
B.
Cost-effectiveness
C.
High resolution
D.
Simplicity
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Solution
Chromatography offers high resolution, allowing for the effective separation and identification of complex mixtures.
Correct Answer: C — High resolution
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Q. What is the main cause of acid rain? (2019)
A.
Carbon Dioxide
B.
Sulfur Dioxide
C.
Nitrogen Oxides
D.
Methane
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Solution
Acid rain is primarily caused by sulfur dioxide (SO2) and nitrogen oxides (NOx) which react with water vapor in the atmosphere.
Correct Answer: B — Sulfur Dioxide
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Q. What is the main cause of biodiversity loss?
A.
Climate Change
B.
Pollution
C.
Habitat Destruction
D.
Overfishing
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Solution
Habitat destruction is the leading cause of biodiversity loss as it directly removes the living spaces of many species.
Correct Answer: C — Habitat Destruction
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Q. What is the main cause of desertification?
A.
Deforestation
B.
Urbanization
C.
Climate change
D.
All of the above
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Solution
Desertification can be caused by a combination of deforestation, urbanization, and climate change.
Correct Answer: D — All of the above
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Q. What is the main cause of habitat destruction? (2021)
A.
Natural disasters
B.
Urbanization
C.
Climate change
D.
Invasive species
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Solution
Urbanization is a major cause of habitat destruction as it leads to the conversion of natural land into urban areas.
Correct Answer: B — Urbanization
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Q. What is the main focus of the World Health Organization (WHO)? (1948)
A.
Economic development
B.
Global health issues
C.
Environmental protection
D.
Human rights
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Solution
The World Health Organization (WHO) focuses on global health issues and aims to improve health outcomes worldwide.
Correct Answer: B — Global health issues
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Q. What is the main function of a power supply unit (PSU) in a computer? (2022)
A.
To cool the system
B.
To provide power to components
C.
To store data
D.
To connect peripherals
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Solution
The power supply unit (PSU) converts electrical power from an outlet into usable power for the computer's internal components.
Correct Answer: B — To provide power to components
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Q. What is the main function of the operating system? (2019)
A.
Manage hardware resources
B.
Run applications
C.
Provide internet access
D.
Store data
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Solution
The main function of the operating system is to manage hardware resources and provide a user interface.
Correct Answer: A — Manage hardware resources
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Q. What is the main gas responsible for global warming? (2023)
A.
Oxygen
B.
Nitrogen
C.
Carbon Dioxide
D.
Helium
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Solution
Carbon Dioxide (CO2) is the main greenhouse gas responsible for global warming.
Correct Answer: C — Carbon Dioxide
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Q. What is the main goal of the 'Beti Bachao Beti Padhao' scheme? (2015)
A.
To promote women's education
B.
To prevent female foeticide
C.
To empower women
D.
All of the above
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Solution
'Beti Bachao Beti Padhao' aims to promote women's education, prevent female foeticide, and empower women.
Correct Answer: D — All of the above
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Q. What is the main goal of the Swachh Bharat Mission? (2014)
A.
To promote digital literacy
B.
To eliminate open defecation
C.
To enhance agricultural productivity
D.
To provide affordable housing
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Solution
The Swachh Bharat Mission aims to eliminate open defecation and promote cleanliness.
Correct Answer: B — To eliminate open defecation
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Q. What is the main language spoken in Brazil? (2023)
A.
Spanish
B.
Portuguese
C.
English
D.
French
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Solution
The main language spoken in Brazil is Portuguese.
Correct Answer: B — Portuguese
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Q. What is the main objective of the 'Digital India' initiative? (2015)
A.
To promote digital literacy
B.
To enhance rural connectivity
C.
To ensure government services are made available to citizens electronically
D.
To improve internet speed
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Solution
The main objective of the 'Digital India' initiative is to ensure that government services are made available to citizens electronically.
Correct Answer: C — To ensure government services are made available to citizens electronically
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Q. What is the main objective of the Pradhan Mantri Awas Yojana? (2015)
A.
To provide free education
B.
To provide affordable housing
C.
To promote digital literacy
D.
To enhance agricultural productivity
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Solution
The Pradhan Mantri Awas Yojana aims to provide affordable housing to the urban poor.
Correct Answer: B — To provide affordable housing
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Q. What is the main purpose of a motherboard?
A.
Store data
B.
Connect all components
C.
Power the computer
D.
Input data
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Solution
The motherboard connects all components of a computer, allowing them to communicate with each other.
Correct Answer: B — Connect all components
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Q. What is the main purpose of an operating system's kernel? (2023)
A.
To provide a user interface
B.
To manage system resources
C.
To run applications
D.
To connect to the internet
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Solution
The kernel is the core component of an operating system that manages system resources and communication between hardware and software.
Correct Answer: B — To manage system resources
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Q. What is the main purpose of reading comprehension strategies?
A.
To memorize information
B.
To improve reading speed
C.
To enhance understanding of the text
D.
To increase vocabulary
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Solution
Reading comprehension strategies are designed to enhance understanding of the text by helping readers to process and interpret information effectively.
Correct Answer: C — To enhance understanding of the text
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Q. What is the main purpose of taxation? (2020)
A.
To control inflation
B.
To fund government spending
C.
To reduce unemployment
D.
To promote exports
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Solution
The main purpose of taxation is to fund government spending on public services and infrastructure.
Correct Answer: B — To fund government spending
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Q. What is the main source of freshwater on Earth? (2019)
A.
Rivers
B.
Lakes
C.
Glaciers
D.
Groundwater
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Solution
Glaciers are the main source of freshwater on Earth, storing about 68.7% of the world's freshwater supply.
Correct Answer: C — Glaciers
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Q. What is the maximum number of rows in a single Excel worksheet? (2023)
A.
65,536
B.
1,048,576
C.
32,768
D.
256
Show solution
Solution
The maximum number of rows in a single Excel worksheet is 1,048,576.
Correct Answer: B — 1,048,576
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Q. What is the maximum number of rows in an Excel worksheet? (2023)
A.
65,536
B.
1,048,576
C.
32,768
D.
256
Show solution
Solution
The maximum number of rows in an Excel worksheet is 1,048,576.
Correct Answer: B — 1,048,576
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Q. What is the maximum strength of the Lok Sabha? (2020)
A.
500
B.
550
C.
600
D.
450
Show solution
Solution
The maximum strength of the Lok Sabha is 550 members, as per Article 81 of the Constitution of India.
Correct Answer: B — 550
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