General Knowledge
Q. Which of the following layers is the hottest part of the Earth? (2022)
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A.
Crust
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B.
Mantle
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C.
Outer Core
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D.
Inner Core
Solution
The Inner Core is the hottest part of the Earth, with temperatures reaching up to 5,700 degrees Celsius.
Correct Answer: D — Inner Core
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Q. Which of the following leaders was associated with the Civil Disobedience Movement? (1930)
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A.
Jawaharlal Nehru
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B.
Mahatma Gandhi
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C.
Subhas Chandra Bose
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D.
Sardar Vallabhbhai Patel
Solution
Mahatma Gandhi was the key leader associated with the Civil Disobedience Movement, which started in 1930.
Correct Answer: B — Mahatma Gandhi
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Q. Which of the following longitudes is closest to the International Date Line?
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A.
150°E
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B.
180°
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C.
150°W
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D.
120°W
Solution
The International Date Line is at 180°, so the closest longitude is 180°.
Correct Answer: B — 180°
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Q. Which of the following materials would sound travel fastest through? (2019)
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A.
Air
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B.
Water
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C.
Steel
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D.
Wood
Solution
Sound travels fastest through solids like steel due to closely packed molecules.
Correct Answer: C — Steel
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Q. Which of the following metals is known to be the least reactive?
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A.
Gold
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B.
Sodium
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C.
Potassium
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D.
Calcium
Solution
Gold is known to be the least reactive metal, making it resistant to corrosion and oxidation.
Correct Answer: A — Gold
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Q. Which of the following metals is known to be the most malleable?
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A.
Iron
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B.
Gold
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C.
Lead
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D.
Copper
Solution
Gold is known to be the most malleable metal, capable of being drawn into extremely thin sheets.
Correct Answer: B — Gold
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Q. Which of the following metals is the best conductor of electricity?
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A.
Copper
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B.
Aluminum
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C.
Gold
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D.
Silver
Solution
Silver is the best conductor of electricity among metals due to its high electron mobility.
Correct Answer: D — Silver
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Q. Which of the following metals is used in making electrical wires?
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A.
Zinc
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B.
Copper
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C.
Aluminum
-
D.
Iron
Solution
Copper is widely used in electrical wiring due to its excellent conductivity.
Correct Answer: B — Copper
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Q. Which of the following metals reacts vigorously with water?
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A.
Copper
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B.
Sodium
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C.
Iron
-
D.
Gold
Solution
Sodium reacts vigorously with water to produce sodium hydroxide and hydrogen gas.
Correct Answer: B — Sodium
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Q. Which of the following non-metals is a gas at room temperature?
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A.
Phosphorus
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B.
Sulfur
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C.
Chlorine
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D.
Carbon
Solution
Chlorine is a non-metal that exists as a gas at room temperature.
Correct Answer: C — Chlorine
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Q. Which of the following non-metals is a key component of DNA?
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A.
Oxygen
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B.
Nitrogen
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C.
Carbon
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D.
Hydrogen
Solution
Nitrogen is a key component of DNA, forming part of the nucleotides that make up the genetic code.
Correct Answer: B — Nitrogen
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Q. Which of the following processes occurs in the nucleus of a cell? (2023)
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A.
Photosynthesis
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B.
Cell respiration
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C.
DNA replication
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D.
Protein synthesis
Solution
DNA replication occurs in the nucleus, where the cell's genetic material is housed.
Correct Answer: C — DNA replication
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Q. Which of the following rights is available only to citizens of India?
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A.
Right to Equality
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B.
Right to Freedom of Speech
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C.
Right to Constitutional Remedies
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D.
Right to Property
Solution
The Right to Property was originally a Fundamental Right but is now a legal right; however, the other rights mentioned are available to all persons.
Correct Answer: D — Right to Property
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Q. Which of the following rivers is known as the 'Sorrow of Bihar'?
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A.
Ganga
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B.
Kosi
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C.
Yamuna
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D.
Brahmaputra
Solution
The Kosi River is known as the 'Sorrow of Bihar' due to its frequent flooding.
Correct Answer: B — Kosi
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Q. Which of the following rivers is the longest in the world? (2021)
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A.
Amazon River
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B.
Nile River
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C.
Yangtze River
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D.
Mississippi River
Solution
The Nile River is traditionally considered the longest river in the world, measuring about 6,650 kilometers.
Correct Answer: B — Nile River
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Q. Which of the following schemes is aimed at providing health insurance to the poor? (2018)
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A.
Ayushman Bharat
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B.
Pradhan Mantri Fasal Bima Yojana
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C.
Mahatma Gandhi National Rural Employment Guarantee Act
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D.
National Rural Livelihood Mission
Solution
Ayushman Bharat is aimed at providing health insurance to the poor, covering hospitalization costs.
Correct Answer: A — Ayushman Bharat
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Q. Which of the following schemes is specifically designed for the welfare of Scheduled Castes and Scheduled Tribes?
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A.
Pradhan Mantri Ujjwala Yojana
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B.
Post Matric Scholarship Scheme
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C.
Atal Pension Yojana
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D.
Digital India Initiative
Solution
The Post Matric Scholarship Scheme is designed to provide financial assistance to students from Scheduled Castes and Scheduled Tribes.
Correct Answer: B — Post Matric Scholarship Scheme
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Q. Which of the following statements is true regarding time zones? (2019)
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A.
Time zones are always 30 degrees apart.
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B.
Time zones can vary in width.
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C.
All countries have the same time zone.
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D.
Time zones are based on latitude.
Solution
Time zones can vary in width due to political and geographical reasons, not strictly based on longitude.
Correct Answer: B — Time zones can vary in width.
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Q. Which of the following states is known for its tea production?
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A.
Assam
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B.
Kerala
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C.
Gujarat
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D.
Maharashtra
Solution
Assam is known for its extensive tea production.
Correct Answer: A — Assam
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Q. Which of the following states of matter can flow?
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A.
Solid
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B.
Liquid
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C.
Gas
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D.
Both Liquid and Gas
Solution
Both liquids and gases can flow due to the freedom of movement of their particles.
Correct Answer: D — Both Liquid and Gas
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Q. Which of the following structures is involved in the synthesis of ribosomal RNA?
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A.
Nucleus
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B.
Ribosome
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C.
Golgi apparatus
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D.
Endoplasmic reticulum
Solution
The nucleolus, located within the nucleus, is responsible for synthesizing ribosomal RNA.
Correct Answer: A — Nucleus
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Q. Which organ is primarily responsible for filtering blood in the human body?
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A.
Liver
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B.
Heart
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C.
Kidneys
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D.
Lungs
Solution
The kidneys filter blood to remove waste and excess substances, producing urine.
Correct Answer: C — Kidneys
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Q. Which organ is responsible for the production of insulin?
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A.
Liver
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B.
Pancreas
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C.
Kidneys
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D.
Stomach
Solution
The pancreas produces insulin, which helps regulate blood sugar levels in the body.
Correct Answer: B — Pancreas
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Q. Which organelle is involved in the synthesis of ribosomal RNA?
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A.
Nucleus
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B.
Nucleolus
-
C.
Rough endoplasmic reticulum
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D.
Golgi apparatus
Solution
The nucleolus is responsible for synthesizing ribosomal RNA (rRNA) and assembling ribosomes.
Correct Answer: B — Nucleolus
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Q. Which organelle is responsible for producing ATP?
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A.
Nucleus
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B.
Ribosome
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C.
Mitochondria
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D.
Endoplasmic Reticulum
Solution
Mitochondria are known as the powerhouse of the cell, where ATP is produced through cellular respiration.
Correct Answer: C — Mitochondria
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Q. Which part of the brain is responsible for regulating heart rate and breathing?
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A.
Cerebrum
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B.
Cerebellum
-
C.
Medulla oblongata
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D.
Thalamus
Solution
The medulla oblongata controls autonomic functions such as heart rate and breathing.
Correct Answer: C — Medulla oblongata
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Q. Which part of the brain is responsible for regulating heart rate?
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A.
Cerebrum
-
B.
Cerebellum
-
C.
Medulla oblongata
-
D.
Thalamus
Solution
The medulla oblongata controls autonomic functions, including heart rate and breathing.
Correct Answer: C — Medulla oblongata
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Q. Which part of the cell is responsible for packaging and modifying proteins?
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A.
Golgi apparatus
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B.
Lysosome
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C.
Nucleus
-
D.
Mitochondria
Solution
The Golgi apparatus modifies, sorts, and packages proteins for secretion or delivery to other organelles.
Correct Answer: A — Golgi apparatus
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Q. Which phenomenon is characterized by a significant drop in temperature and heavy snowfall? (2023)
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A.
Heatwave
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B.
Blizzard
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C.
Drought
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D.
Tornado
Solution
A blizzard is characterized by a significant drop in temperature and heavy snowfall, often accompanied by strong winds.
Correct Answer: B — Blizzard
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Q. Which pigment is primarily responsible for the green color of plants?
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A.
Carotenoids
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B.
Chlorophyll
-
C.
Xanthophyll
-
D.
Anthocyanins
Solution
Chlorophyll is the pigment that gives plants their green color and is essential for photosynthesis, allowing plants to absorb light energy.
Correct Answer: B — Chlorophyll
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