Welcome to IQ Curator’s General Knowledge - All Competitive Exams Questions - Answers Section. This GK- GS Questions & Answers section is a various category-wise archive of IQ Curator’s GK (General Knowledge) Questions – 2021-2022 in Short MCQs format on various subjects and states. This section is suitable for aspirants preparing for SSC-CGL and State Level Examinations of various states and also UPSC conducted NDA/ CDS/ IFS/ IES / CSE, SSC, Banking / IBPS, IAS, NTSE, CLAT, Railways, NDA, CDS, Judiciary, UPPSC, RPSC, GPSC, MPSC, MPPSC ,etc. examinations.
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| (IQ Curator - General Knowledge (GK) 2021 Quiz for All Competitive Exams – Q301 to Q350) |
Quiz for All Competitive Exams – Q301 to Q350
Que 301. The age of the earth is determined by means of...
Ans – From Uranium Dating
Que 302. By which fusion energy is emitted from the Sun?
Ans – By Nuclear Fusion
Que 303. What is the substance used as a moderator in a nuclear reactor?
Ans – Graphite, Cadmium Rods and Heavy Water.
Que 304. Rusting of iron is an example of?
Ans – Oxidation Reaction
Que 305. What turns blue litmus paper red?
Ans – Acid
Que 306. Does red litmus paper turn blue?
Ans – Alkali (Bases)
Que 307. What is the taste of (Bhasma) Bases?
Ans – Sour
Que 308. Who has determined the pH value?
Ans – Søren Peter Lauritz Sørensen
Que 309. What is the pH value of an acidic solution?
Ans – Less than 7
Que 310. What is the pH value of milk?
Ans – 6.4
Que 321. Which gas is the main component of LPG?
Ans – Propane and Butane Gas
Que 322. What is the fuel used to run rockets?
Ans – Propellant
Que 323. An alpha particle has two units of positive charge. What is its mass approximately equal to?
Ans – One Atom of Helium
Que 324. What is the effect on the electrical resistance and electrical conductivity of conducting materials when the temperature is increased?
Ans – The electrical resistance increases while the electrical conductivity decreases.
Que 325. What is the speed of sound in different mediums?
Ans – The speed of sound is different in different mediums and is highest in solids.
Que 326. What is Newton's third law of motion?
Ans – For every action, there is always an equal and opposite reaction force.
Que 327. Heavy water is the oxide of?
Ans – Deuterium
Que 328. Who is the inventor of the microphone?
Ans – Emily Berliner (1876)
Que 329. Where are radioactive isotopes obtained by artificial radioactivity used?
Ans – In agriculture, treatment of diseases and nuclear discoveries.
Que 330. Which principle works in an atomic bomb?
Ans – Nuclear Fission
Que 331. A stationary magnet always reflects?
Ans – North-North and South-South
Que 332. In which direction does a freely suspended magnetic needle point?
Ans – North-South Direction
Que 333. "The amount of matter liberated at an electrode in the process of electrolysis is directly proportional to the total charge flowing." Whose law is this?
Ans – Faraday's First Law of Electrolysis
Que 334. What is a dry cell?
Ans – Primary Cell
Que 335. Why do we see the sun only a few minutes before the actual sunrise?
Ans – Refraction of Light
Que 336. How is white light produced in the tube?
Ans – By Heating the Fiber
Que 337. Why is the voice of a young child more beloved than the voice of a young man?
Ans – The pitch of a child's voice is higher than that of a man's voice.
Que 338. What is decibel?
Ans – Measurement of A Noise Level (dB)
Que 339. What is the reason for the snow covered on the mountains not melting together by the heat of the sun?
Ans – It reflects most of the heat received from the Sun.
Que 340. When 1 kg of a liquid changes from liquid to vapor at its boiling point, what is the heat absorbed in it called?
Ans – Latent Energy of Vaporization.
Que 341. Give an example of Newton's second law of motion?
Ans – From this the definition of force is known.
Que 342. When was the International System of Units introduced?
Ans – 1971 AD
Que 343. What is the base year of Rajasthan Wholesale Price Index?
Ans – 1999-2000
Que 344. In the 12th five year plan of Rajasthan, how much is the growth target set for agriculture, industry and service sectors respectively?
Ans – 3.5%, 8.0% and 9.5%
Que 345. Which external organization is providing financial assistance for the Rajasthan Renewable Energy Broadcasting Investment Program?
Ans – Asian Development Bank
Que 346. In which year the Chief Minister Free Air Scheme was implemented in Rajasthan?
Ans – From October 2, 2011
Que 347. Which of the following is not the objective of Mukhyamantri Shubhalakshmi Yojana in Rajasthan?
Ans – Helping Pregnant Girl Child.
Que 348. Which is the nodal agency for generating energy from non-conventional energy sources in Rajasthan?
Ans – Rajasthan Renewable Energy Corporation Limited.
Que 349. How many District Industries Centers are working in Rajasthan?
Ans – 36
Que 350. Where is the Central Institute of Horticulture located?
Ans – Bikaner (Rajasthan)
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