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570+ General Science Solved MCQs

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: General Knowledge (GK) , Union Public Service Commission (UPSC) , Indian Administrative Service (IAS) , Staff Selection Commission (SSC) .

Chapters

Chapter: Physics
151.

Consider the following comparisons between the Resourcesat-1 and Resourceset-2:
1. The Resourceset-2 will be able to collect data from a wider strip of the Earth‘s surface
2. The Resourceset -2 will provide remote sensing data services for entire globe, in contrast with some selected area by Resourcesat-1
3. The Resourcesat-2 has been launched with additional payload known as AIS (Automatic Identification System) from COMDEV, Canada as an experimental payload for ship surveillance in VHF band
Which among the above statement is / are correct?

A. Only 1 is correct
B. Only 2 is correct
C. 1 & 3 are correct
D. 2 & 3 are correct
Answer» C. 1 & 3 are correct
152.

Which among the following correctly defines Pinaka?

A. A Multi Barrel Rocket Launcher Developed by DRDO
B. A Missile Developed by DRDO
C. A Missile imported from Russia
D. A rocket launcher developed by France
Answer» A. A Multi Barrel Rocket Launcher Developed by DRDO
153.

Which among the following can be measured with Anemometer?

A. Water Velocity
B. Wind Velocity
C. Relative Humidity
D. Absolute Humidity
Answer» B. Wind Velocity
154.

At which among the following temperatures, the indicator of Celsius and Fahrenheit thermometers will show the same reading?

A. -40°C
B. -65°C
C. -25°C
D. -32°C
Answer» A. -40°C
155.

At which among the following points, the high tides are lower than usual and low tides are higher than usual?

A. New Moon
B. Full Moon
C. Apogee
D. Perigee
Answer» C. Apogee
156.

Phobos and Deimos are the natural satellites of which of the following planets?

A. Mars
B. Saturn
C. Jupiter
D. Earth
Answer» A. Mars
157.

Sun accounts for approximately what fraction of total mass of Solar System ?

A. 70%
B. 90%
C. 95%
D. 99.86%
Answer» D. 99.86%
158.

In which of the following light produces image focus in front of the retina?

A. Presbyopia
B. Myopia
C. Hyperopia
D. Hypertropia
Answer» B. Myopia
159.

Which among the following is also known as Dog Star?

A. Alpha Centauri
B. Proxima centauri
C. Sirius
D. Aludra
Answer» C. Sirius
160.

The name of Robert Watson-Watt is associated with which among the following inventions?

A. Steam Engine
B. Electric Bulb
C. Radar technology
D. Microwaves
Answer» C. Radar technology
161.

Which among the following scientists is known for laws of planetary motion?

A. Newton
B. Kepler
C. Galileo
D. Faraday
Answer» B. Kepler
162.

The ―Amos‖ series of satellites belongs to which among the following countries?

A. India
B. USA
C. Israel
D. China
Answer» C. Israel
163.

Which among the following compound is most commonly used in the Photochromic lenses?

A. Potassium Dichromate
B. Silver Chloride
C. Potassium ferrate
D. Ferric Chloride
Answer» B. Silver Chloride
164.

Which among the following are being procured by India for its armed forces, under the Project-75 India (P-75I) Programme?

A. Medium multi-role combat aircraft
B. Falcon Awacs
C. Submarines
D. Aircraft Career Ships
Answer» C. Submarines
165.

Soviet aircraft carrier Admiral Gorshkov, has been rechristened in India as which among the following?

A. INS Viraat
B. INS Vikramaditya
C. INS Chakra
D. INS Arihant
Answer» B. INS Vikramaditya
166.

In context with the Defense of India, Advanced Technology Vessel (ATV) Projects are related to which among the following?

A. Nuclear Capable Missiles
B. Nuclear Capable Submarines
C. Aircraft Career Ships
D. Amphibious warfare vessels
Answer» B. Nuclear Capable Submarines
167.

Which among the following radiations in the Sunlight causes tanning and sunburn?

A. Ultraviolet
B. Visible
C. Infrared
D. Micro waves
Answer» A. Ultraviolet
168.

What is the focal length of a concave lense with number -5D?

A. 5 cm
B. 10 cm
C. 15 cm
D. 20 cm
Answer» D. 20 cm
169.

The asteroid belt is a region of the Solar System located roughly between the orbits of which among the following planets?

A. Earth & Mars
B. Mars & Jupiter
C. Jupiter and Saturn
D. Saturn and Pluto
Answer» B. Mars & Jupiter
170.

India‘s First Moon Mission Chandrayaan was launched on which among the following dates?

A. October 27, 2007
B. October 22, 2008
C. November 23, 2008
D. December 17, 2008
Answer» B. October 22, 2008
171.

Which of the following is India‘s first nuclear reactor:

A. Apsara
B. Dhruva
C. Rawatbhatta
D. Kudankulam
Answer» A. Apsara
172.

In which of the following states is located the Indian Astronomical Observatory?

A. Karnataka
B. Uttar Pradesh
C. Maharashtra
D. Jammu & Kashmir
Answer» D. Jammu & Kashmir
173.

Which among the following is the largest nuclear power station of India by capacity?

A. Tarapur Atomic Power Station, Maharashtra
B. Rajasthan Atomic Power Station, Rawatbhata
C. Kaiga Atomic Power Station, Karnataka
D. Madras Atomic Power Station, Kalpakkam, Tamil Nadu
Answer» A. Tarapur Atomic Power Station, Maharashtra
174.

Which among the following the correct English Official name of CERN ( Conseil Européen pour la Recherche Nucléaire)?

A. European Organization for Nuclear Research
B. European Council for Nuclear Research
C. European Center for Nuclear Research
D. European Nuclear Research organization
Answer» A. European Organization for Nuclear Research
175.

What is the name of Indian‘s first satellite launch vehicle?

A. SLV-1
B. SLV-2
C. SLV-3
D. PSLV-1
Answer» C. SLV-3
176.

In which year India‘s first satellite Aryabhatta was launched?

A. 1975
B. 1970
C. 1978
D. 1965
Answer» A. 1975
177.

Which of the following is responsible for the fact that Tennis ball bounces higher at high altitudes than in plains?

A. Low Gravity
B. High Gravity
C. Less dense air
D. Low atmospheric temperature
Answer» C. Less dense air
178.

Thin lamination is used in a transformer to reduce:

A. Eddy current losses
B. Hysteresis losses
C. Corona losses
D. None of the above
Answer» A. Eddy current losses
179.

Which of the following statements is incorrect about a Plane Mirror?

A. The focal length of a plane mirror is infinity
B. Its optical power is one
C. It forms a virtual image of a real object
D. It is used in constructing periscope
Answer» B. Its optical power is one
180.

A high-refractive-index polymer (HRIP) is a polymer that has a refractive index greater than _?

A. .50
B. 1.0
C. 1.20
D. 1.50
Answer» D. 1.50
181.

Consider the following statements regarding Black Holes:
1. A black hole is a supergiant star that has collapsed into itself
2. The Black-hole singularity has zero radius
Which of the above is / are correct statements?

A. Only 1
B. Only 2
C. Both 1 & 2
D. Neither 1 nor 2
Answer» C. Both 1 & 2
182.

Which of the following is / are correct statements with respect to Copper (Cu), Silver (Ag) and Gold (Au)?
1. All of them are can be found naturally in their elemental state
2. All of them belong to same group in the periodic table
Select the correct option from the codes given below:

A. Only 1
B. Only 2
C. Both 1 & 2
D. Neither 1 nor 2
Answer» C. Both 1 & 2
183.

A 10 Kg block of Iron has which of the following twice in value in comparison to a 5 Kg block of Iron?
1. Inertia
2. Mass
3. Volume
Select the correct option from the codes given below:

A. Only 1 & 2
B. Only 2
C. Only 1 & 3
D. 1, 2 & 3
Answer» D. 1, 2 & 3
184.

Albert Einstein was awarded Nobel Prize for his path-breaking research and formulation of the:

A. Theory of Relavitity
B. Laws of Photo-Electric Effect
C. Principle of Wave-Particle Duality
D. Theory of Critical Opalescence
Answer» B. Laws of Photo-Electric Effect
185.

Which one of the following types of Laser is used in Laser Printers?

A. Semiconductor laser
B. Excimer Laser
C. Dye Laser
D. Gas Laser
Answer» A. Semiconductor laser
186.

The power of a lens is measured in :

A. diopters
B. aeon
C. lumen
D. candela
Answer» A. diopters
187.

The television technology in which a new form of light-emitting crystals which can be printed onto flexible plastic sheets to produce a paper-thin display that can be rolled up and carried in a pocket is:

A. QD-TV
B. SED-TV
C. Pixel Plus
D. Slingbox
Answer» A. QD-TV
Chapter: Chemistry
188.

Amalgam‘ is a term used for an alloy of a metal with:

A. Copper
B. Mercury
C. Lead
D. Aluminium
Answer» B. Mercury
189.

Gammaxene, D.D.T. and Bleaching powder are important compounds of :

A. Chlorine
B. Nitrogen
C. Sulphur
D. Phosphorus
Answer» A. Chlorine
190.

L.P.G. is a hydrocarbon consisting of a mixture of:

A. Methane and Butane
B. Propane and Butane
C. Ethane and Propane
D. Ethane and Butane
Answer» B. Propane and Butane
191.

What is Kerogen oil?

A. Its an unconventional oil produced from the pyrolysis, hydrogenation, or thermal dissolution of Oil Shales
B. Its a light crude oil contained in petroleum-bearing formations of shales
C. Its an unconventional oil produced from the pyrolysis, hydrogenation, or thermal dissolution of environmental wastes
D. It‘s a new form of vegetable oil prepared artificially in laboratory
Answer» A. Its an unconventional oil produced from the pyrolysis, hydrogenation, or thermal dissolution of Oil Shales
192.

Which among the following was first human-made plastic?

A. Bakelite
B. Polyethene
C. Celluloid
D. Nylon
Answer» C. Celluloid
193.

Which among the following is the correct impact of the London Forces in the Cycloalkanes?

A. The melting and boiling points get increased
B. The Melting and boiling points get decreased
C. There is not impact on the melting and boiling points
D. The melting point increases but boiling point decreases
Answer» A. The melting and boiling points get increased
194.

Gargling with a solution of table salt is known to provide relief for a sore throat because ___ ?

A. It kills bacteria
B. It works as analgesic
C. It dehydrates water from inflammatory tissues by Osmosis
D. Placebo effect
Answer» C. It dehydrates water from inflammatory tissues by Osmosis
195.

The Potassium graphite and Calcium Graphite can be mostly used as which among the following?

A. Moderators
B. Semiconductors
C. Superconductors
D. Lubricants
Answer» C. Superconductors
196.

Which among the following minerals is also known as Horn Silver?

A. Silver Iodide
B. Silver Chroride
C. Zinc Phosphate
D. Silver Sulphide
Answer» B. Silver Chroride
197.

Consider the following particles in relation to the matter:
π-Meson (Pi-meson)
Photon
Which among the above are considered to be mass less and charge less?

A. Only 1
B. Only 2
C. Both 1 & 2
D. Neither 1 nor 2
Answer» B. Only 2
198.

Polymetallic Modules (PMN) predominantly contain_____?

A. Calcium
B. Magnesium
C. Manganese
D. Copper
Answer» C. Manganese
199.

The colors in the fine cut diamond are because of which among the following?

A. Variance in transparency of diamond
B. Variance in index of refraction
C. Presence of Impurities
D. Existence of definite planer layers
Answer» C. Presence of Impurities
200.

Benzoepin, Parrysulfan, Phaser, Thiodan, Thionex etc. are the names of which among the following pesticides?

A. Kepone
B. Paraquat
C. Endosulfan
D. Toxaphene
Answer» C. Endosulfan

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