General-Science

Competetivite Examination Important Science MCQ

1. A person is hurt on kicking a stone due to-

(A) Velocity
(B) Inertia
(C) Reaction
(D) Momentum

Ans- C

2. The book "La Balancitta" was written by-

(A) Sir Issac Newton
(B) Archimedes
(C) Galileo Galilei
(D) E. Rutherford

Ans- C

3. The fuse in our domestic electric circuit melts when there is a high rise in-

(A) Conductivity
(B) Capacitance
(C) Resistance
(D) Current

Ans- D

4. The value of Universal Gravitation constant was first found by-

(A) Sir Issac Newton
(B) Henry Cavendish
(C) Galileo Galilei
(D) Sir J. J. Thomson

Ans- B

5. Which of the following is an example for cantilever beam?

(A) Diving board
(B) Bridge
(C) See-saw
(D) Common balance

Ans- A

6. The value of gravitational acceleration at surface of earth is-

(A) 2.1 meter/square second
(B) 6.8 meter/square second
(C) 9.8 meter/square second
(D) Zero

Ans- C

7. It is difficult to cook rice-

(A) At the top of a mountain
(B) At Sea level
(C) Under a mine
(D) None of these

Ans- A

8. The ratio of the weight of an object on surface of earth and moon is-
(A) 1/2
(B) 1/4
(C) 1/6
(D) 1/8

Ans- C

9. The instrument used to see the distant objects on the Earth is-

(A) Terrestrial telescope
(B) Astronomical telescope
(C) Compound microscope
(D) Simple microscope

Ans- A

10. A dynamo is a device which-

(A) Converts mechanical energy into heat
(B) Coverts electrical energy into heat
(C) Converts mechanical energy into electrical energy
(D) Converts electrical energy into mechanical energy

Ans- C


Important science Questions for UPSC & other PSC competitive exams

1. The elements which are liquid at room temperature-

A. Mercury & Gallium
B. Mercury & Cesium
C. Mercury & Bromine
D. Mercury & Sodium

Ans: C

2. The substance such as metals from which wires can be drawn are called-

A. Mallable
B. Ductile
C. Sonorous
D. Brittle

Ans: B

3. The substances which can be hammered into thin sheet, are known as-

A. Mallable
B. Ductile
C. Sonorous
D. Brittle

Ans: A

4. The only metal which is liquid at room temperature-

A. Bromine
B. Gallium
C. Mercury
D. Cesium

Ans: C

5. Which one is not a chemical change?

A. Rusting of almirah
B. Electrolysis of water
C. Burning of fuel
D. Melting of butter

Ans: D

6. Which one is known as quick lime?

A. Calcium Oxide
B. Calcium Hydroxide
C. Calcium Carbonate
D. Calcium Chloride

Ans: A

7. Which one is known as baking powder?

A. Sodium Oxide
B. Sodium Hydroxide
C. Sodium Carbonate
D. Sodium Bicarbonate

Ans: D

8. Alpha particle scattering by gold leaf experiment resulted the invention of-

A. Electron
B. Neutron
C. Proton
D. Nucleus

Ans: D

9. Which one is not a sub atomic particle?

A. Electron
B. Neutron
C. Proton
D. Photon

Ans: D

10. Credit for the discovery of proton goes to-

A. Newton
B. Goldstien
C. Rutherford
D. Thomson

Ans: B



Science General Knowledge-
What is dry ice & what are its uses?

Dry ice is the solid form of carbon dioxide. It is also called as " Cardice " or as " card ice ".
At temperatures below −56.4 °C (−69.5 °F) and at below 5.13 atm pressure (the triple point ), carbon dioxide gas changes from a solid to a gas with not converting into liquid, through a process called sublimation.

Uses of Dry Ice-

*. Dry ice is used primarily as a cooling agent. It is useful for preserving frozen foods, ice cream, etc., where mechanical cooling is unavailable.
*. To remove floor tiles.
*. To remove skin imperfections.
*. In the poultry industry.
*. To lengthen the life of wet ice.
*. To make fog in the entertainment industry.
*. To shrink metal.
*. To retard chemical catalysts.
*. As a mosquito attractant for traps.
*. By airline caterers to keep food chilled.
*. By blood banks for shipping the blood.
Read More

WorldRecords

-English is the second most spoken language (Native speakers 512 million) & the first is Chinese Mandarin (more then 1 billion speakers).



-A cheetah does not Roar (Dahadna) like a lion; instead it purrs like a cat (meeaaow)

-Crane (Saras) sleeps standing on one leg.


>Do u know?
Which fish is known as 'Laughing Fish'?

Ans: Dolphin.

>The first Metro Railway in the world came to existence in London.


>Do u know
Who is known as the 'Father of Atom Bomb

Ans: Robert Oppenheimer

>Which metal is kept in wax?


-in Pakistan approximately

Muslims-175,376,000
Hindus-3200000
Christians-2800000
Buddhists-20000
Sikhs-20000
Zoroastrian/Parsis-5000


Que:- Which is the Parliament of China?
=> National Peoples Congress

Que:- Which country is known as 'Land of Snow'?
=> Canada


-Who was the first Woman to Contest Election for the post of president of india ?

>Luxmi Sehgal


>Do u know?
Who is known as the 'Father of Cloning'?

Ans: Ian Wilmut.


>Do u know?
Which is the harmful chemical contained in Cigarette?

Ans: Nicotine.

>Do u know?
Who is known as the 'Father of Cloning'?

Ans: Ian Wilmut.


>Do u know?
Which is the harmful chemical contained in Cigarette?

Ans: Nicotine.


-Where was the 1st printing press established in india ?

>Mumbai

-Which language were the most of Amir khusru's poems written ?

>Urdu



All babies are colour blind when they are born
-Which religion Promoted by Sathavahana Kings
>Hind
-Highest Award in India
>Bharat Ratan



>Where is located the headquarters of Northern Railway?

Ans: Newdelhi.


What is known as body builder?

Ans: Protein.


Which is the parliament of Nepal?

Ans: National Panchayath.



What is known as body builder?

Ans: Protein.


Which is the parliament of Nepal?

Ans: National Panchayath.


# Where in India did Facebook open its first office?
=> Hyderabad


>After over 20K Indian requests, which national symbol was added to FarmVille?
>Indian tricolour


>Do u know?
Who was known as 'Frontier Gandhi'?

Ans: Khan Abdul Gafar Khan.

>Who was the first Indian to become a member of the British House of Commons?

Ans: Dadabhai Naoroji.


>Do u know
Which country leads in gold Production?

Ans: China.


Do u know
Which country leads in gold Production?

Ans: China.


- The thermometer was invented in 1607 by Galileo.

- There are 60,000 miles of blood vessels in the human body.


U know?
India's 1st Bank 'Avadh Commercial Bank' established in 1818
2nd Bank 'Punjab National Bank' in 1894
3rd 'Presidency Bank'


The ist astronaut of Indian origin to perish aboard U.S.space shuttle in a tragic accident Dr.Kalpana Chawla Columbia space shuttle,1-2-2003


Do u know?
Who is the Creator of Mougli?

Ans: Rudyard Kipling.

>The number of Players in a Kabadi team is 7.



>Electricity doesn't move through a wire but through a field around the wire
Antarctica is the highest,driest,and coldest continent on Earth


Where is the centre of India's diamond industry?
Ans: Surat.


The coldest temperature ever measured on Earth was -129 Fahrenheit (-89 Celsius) at Vostok, Antarctica, on July 21, 1983.


Which Indian businessman was part of the design team at Intel that designed the Intel 80486 microprocessor?
=> Rajeev Chandrasekhar of BPL.


-The coldest temperature ever measured on Earth was -129 Fahrenheit (-89 Celsius) at Vostok, Antarctica, on July 21, 1983.


Do u know?
Which country is leading in Uranium production?

Ans: Canada.


Do You know ?

-The fastest human beings runs only about 30 kilometres per hour (18 miles per hour)


-The Great Buddha Statue Japan
-Made in 1252
-Height 13.35m
-Weight 93 tons
-Face 2.35m
-Mouth 0.82m
-Ear 1.90m
-knee to knee; 9.10m
Read More

WorldQuiz

Do You Know ?

Who is the Director of the film 'Slum dog Millionaire' ?

Ans : Danny Boyle

Fullform:
ADC- Analog to Digital Converter



Do You Know ?

Which is the biggest Snake in the World?

Ans: Anaconda

Which is the most intelligent animal?

Ans: Chimpanzee.



-Crocodiles are color-blind.

-Crocodiles are blind in the water but very keen of sight in the air.

-Dolphins sleep with one eye open.



You Know 11 Agust 1979 me Morbi Gujarat me Manchu Nadi (Rever) Par Bane Baand k Toot Jaane se 5000 Se bhi jyada Log Mare gay the.



FULLfORM
>GPRS-General Packet Radio Service

>GSM-The Global System for Mobile Communications (GSM)

>CDMA-Code Division Multiple Access



You Know 11 Agust 1979 me Morbi Gujarat me Manchu Nadi (Rever) Par Bane Baand k Toot Jaane se 5000 Se bhi jyada Log Mare gay the.


FULLfORM
>GPRS-General Packet Radio Service

>GSM-The Global System for Mobile Communications (GSM)

>CDMA-Code Division Multiple Access


Do u know?
Which state is known as 'Milk basket of India'?

Ans: Haryana.

In the human boday insulin is produced by Pancreas.


-Currency Converter Value in India
British 71.85 Rs
Euro 62.93
American 44
China 6.6
Indian 1
Japan 0.54
Pakistan 0.51
Shri Lanka 0.39


*ON AVERAGE EVERY YEAR, U WILL CONSUME 12 PUBIC HAIRS WHILE EATING IN RESTAURANTS.
*ON AVERAGE, A 4yr OLD CHILD WILL ASK 437 QUESTIONS EVERY DAY


You Know In which organ of the body is the cerebrum found?

The Brain

-What Gas do plants absorb from the atmosphere?

Carbon Dioxide


-Which chemical element is represented by the symbol N ?

Nitrogen

-Which chemical element is represented by the symbol Zn?

Zinc



You Know Who First Indian Woman Judge in Supreme Court ?

Mrs. Meera Sahib Fatima Biwi

The first woman Air Vice-Marshal P. Bandopadhyaya


You Know In which organ of the body is the cerebrum found?

The Brain

-What Gas do plants absorb from the atmosphere?

Carbon Dioxide



You Know Who First Indian Woman Judge in Supreme Court ?

Mrs. Meera Sahib Fatima Biwi

The first woman Air Vice-Marshal P. Bandopadhyaya



The ist astronaut of Indian origin to perish aboard U.S.space shuttle in a tragic accident Dr.Kalpana Chawla Columbia space shuttle,1-2-2003



SCIENCE
-What is H2O?
Water

-Blood is filtered by which pair of organs?
Kidneys
-In which organelle of a living cell is DNA
Nucleus


In which country was recently discovered an species of early human ancestor called Australopithecus sediba ?

Ans-South Africa


-What date was the Bomb dropped on Hiroshima ?

6 August 1945

-Who was the first ever American World Chess Champion ?

Bobby Fischer


>Dr. M.S. Swaminathan is known as father of INDIAN GENETICS.
>When a person dies, hearing is last sense to go. Ist sense lost is sight.



-What date was the Bomb dropped on Hiroshima ?

6 August 1945

-Who was the first ever American World Chess Champion ?

Bobby Fischer


>Dr. M.S. Swaminathan is known as father of INDIAN GENETICS.
>When a person dies, hearing is last sense to go. Ist sense lost is sight.


Que: Why "James Bond" assigned number 007?
Ans: 007 is the ISD code of USSR.


Kya aap jaante hain? HAWA MEHAL Kaha hai aur ye kisne aur kab Banaya tha ?

> Jaipur Me hai,
> Maharana Pratap ne
> 1799 Me banya tha.


You Know The aeroplanes was used in war for the first time by Italians(14 Oct.1911)

You Know First In India Talkie Film Alam Ara (1931)


Do u know?
Which Poisonous gas affects the haemoglobin in the blood?

Ans: Carbon Monoxide.

'White Plague' is another name of Tuberculosis.



WOh Kon Sha Janwar He,Jo Peda Hone Ke Do Mahine {Manth} Baad Tak Sota He Or Bacho {Chind} Ki Tarah Rota Hai?
=> Bear {Bhalu}


Do u know?
Which is the Parliament of China?

Ans: National Peoples Congress.

Which country is known as 'Land of snow'?

Ans: Canada.


WOh Kon Sha Janwar He,Jo Peda Hone Ke Do Mahine {Manth} Baad Tak Sota He Or Bacho {Chind} Ki Tarah Rota Hai?
=> Bear {Bhalu}


Do u know?
Which is the Parliament of China?

Ans: National Peoples Congress.

Which country is known as 'Land of snow'?

Ans: Canada.


-You Know India Nuclear explosion at Pokhran May 18 1974

-Indian satellite 'Aryabhatta' launched, National emergency declared 19-4-1975


Coal Gas ka Use Road par ujala karne k liye hota hai.

isme

Hydrogen- 38-55% Methene 22-25 % Carbon Mono Oxide 4-15%, Oxigen O-1.5% Hoti hai.


-You Know Indira Gandhi returns to power at centre, India launches first satellite using its own satellite launching vehicle (July 18 1980)


Do u know?
What is known as Eastern Coast of India?

Ans: Coromandal.

Which is the oldest mountain range in India?

Ans: The Aravallis.



You know bichu (cancer) apni life me ek baar hi bache deti hai. kio k oske bache oske pet ko kha kar hi pet se niklte hai or mar jati hai


You know ? india me 91 Redio Station hai

America ne Neotran Bamb ka experiment kab kya tha ?

1977 century.


-What is the largest mammal in the world?
Blue Whale

-Which is the smallest ocean in the world?
Arctic Ocean


U Know
China Railway High-Speed (CRH) is World's fastest train which runs at an average speed train of 350 km per hour


-What is the largest mammal in the world?
Blue Whale

-Which is the smallest ocean in the world?
Arctic Ocean


Do u know?
Which is the closest spiral galaxy to our solar system?
-
Ans: Andromeda.
-
Liquid with highest dencity is Mercury.


Mere Pyare Dosto kya Aap Jante Hain.

Who has been appointed the new Chief Justice of India?

Ans: Justice R. C. Lahoti


Who took the first hat-trick in an ODI?
Jalaluddin(Pak)

Who scored a century off only 67 balls in the 2003 World Cup?
John Davison(Can)



Who in late 2006 became the first batsman to score 3000 Test runs without a single hundred?
=>Shane Warne
Warne's highest score is 99 vs NZ.



Manushya ki aankh 17 hazar colour ko alag-alag pehchan sakti hai.
-
World me chipkali ki lagbhag 3000 prajati milti hai.


-The Largest Church in The World?
Bascilica of St.Peter,Vatican City,Rome
The Tallest Statue in The World
Motherland,Volgagra d Russia


You know? World ki sabse big masjid lahore (pakistan) ki badshahi masjid hai.
>Esme 10,00,000 log namaj padh sakte hai.
>Ye 1671 me bana tha


You Know India me Ajadi k Baad Pehla Note (Rupee) Kab Chape The ?

10 Rs-1957
100 Rs-1962
5 Rs-1970
2 Rs-1976
20 Rs & 50 Rs 1983



You Know

In which country was started "Operation Moshtarak " on February 13, 2010?

Ans- Afghanistan



>You Know How Long Does it Take for Light from the Moon to Reach the Earth ?

1.26 secs

>Who was the author of an all time best seller "Love story" who recently died on January 17, 2010?

Ans-Erich Segal

>Kya aap Jante Hain?

Who among the following has won the Miss Universe 2004 crown?

Ans: Jennifer Hawkins

>longest highway in the world is-trans-Canada

>Rajasthan's 1st ATM, Run by Solar Energy-Shahpura, Jaipur

>Country of Copper -Zambia


You Know
-Ants dont sleep.
-A snail can sleep for 3years.
-An ostrich's eye is bigger than its brain.
-Most lipstick contains fish scales.


Do you know ?
World ka sabse bada bridge konsa he ?
>BAILY BRIDGE
Wo India ke LADAKH me he Jiski hight 18,379 he.
Usko 1982 me banaya gaya tha


ou know? Gandhiji ko rastrapita ki upadhi kesne di thi?
-
Ans-SARDAR PATEL

Thanks Frnds Ur Great Spt
40000+Member


Do u know?
Who is the author of the book 'My Presidential Years'?

Ans: R. Venkataraman.

Rain drops are spherical due to Surface Tension



>You know

Which planet is known as the 'Twin of Earth'?

Ans: Venus.

Which element has the largest atom?

Ans: Cesium.

>Do u know?
What is the unit of Electric Current?

Ans: Ampere.

The first General Election in India was in the year 1952.


>1829-Prohibition of Sati
>1835-Education Resolution
>1853-Railway opened from Bombay to Thane; Telegraph line from Calcutta to Agra



>longest highway in the world is-trans-Canada
>Rajasthan's 1st ATM, Run by Solar Energy-Shahpura, Jaipur
>Country of Copper -Zambia


>1857-First War of Indian Independence
1858-British Crown takes over the Indian Government
>1861-Indian Councils Act Indian High Courts Act
Read More