QUESTIONS ON GENERAL SCIENCE AND TECHNOLOGY

1) Which of the following was the first digital wallet company in India ?
1) Paytm
2) Mobikwik
3) Freecharge
4) PayZip

Ans: Mobikwik 

2) 'OneerTM' is a/ an .........
1) Innovative technology for "Drinking Water Disinfection System"
2) Antiviral herbal medicine
3) Bio-fertilizer
4) Deadly bacteria

Ans: Innovative technology for "Drinking Water Disinfection System" 

3) Which was the first country to print plastic currency ?
1) Canada
2) Sweden
3) Australia
4) New Zealand

Ans: Australia

4) Which one is the first web browser invented in 1990
A) Internet Explorer
B) Mosaic
C) Mozilla
D) Nexus

Ans: Nexus

5) Who co-founded Hotmail in 1996 and then sold the company to Microsoft?
A) Shawn Fanning
B) Ada Byron Lovelace
C) Sabeer Bhatia
D) Ray Tomlinson

Ans: Sabeer Bhatia

6) Which state government has introduced a unique LIC policy of Rs 5.00 lakh for farmers of age group 18-59 years ?
1) Uttar Pradesh
2) Madhya Pradesh
3) Telangana
4) Maharashtra

Ans: Telangana 

7) World's First International Airport fully equipped with solar energy is located at -
1) Bengaluru
2) Kochi
3) Ahmedabad
4) Kozhikode

Ans: Kochi

8) Mark Zuckerberg is the owner of
A) Facebook
B) Google
C) Linux
D) Linkedln

Ans: Facebook

9) Which of the following was invented by Wilhelm Roentgen ?
1) Radio
2) X-Ray Machine
3) Electric Bulb
4) None of the above

Ans: X-Ray Machine

10) The depletion in the Ozone layer is caused by -
1) nitrous oxide
2) carbon dioxide
3) chlorofluorocarbons
4) methane

Ans: chlorofluorocarbons

11) What is Jarvik-7 ?
1) Electronic leg
2) Pace-maker
3) Artificial heart
4) Artificial eye

Ans: Artificial heart 

12) Which of the following is the best energy source in view of keeping environment clean?
1) Solar cells
2) Nuclear fission
3) Petroleum product
4) Forest product

Ans: Solar cells

13) In which decade were the first successful diode and triode vacuum tubes invented?
A) 1800s
B) 1880s
C) 1890s
D) 1900s

Ans: 1900s

14) Which of the following space agencies has launched the LISA Pathfinder ?
1) Japan Aerospace Exploration Agency
2) NASA
3) European Space Agency
4) China National Space Administration

Ans: European Space Agency 

15) Which of the following is a "Fire and Forget" anti tank missile?
1) Trishul
2) Agni
3) Akash
4) Nag

Ans: Nag

16) Paper was invented in -
1) India
2) Egypt
3) Greece
4) China

Ans: China

17) Who invented the Thermos Flask?
1) James Dewar
2) Thomas Alva Edison
3) Humphry Davy
4) Richard J. Galling

Ans: James Dewar 

18) Heavy Water is normally used by which of the following industries?
1) Pharma Industry
2) Paper Industry
3) Nuclear Power generation plants
4) Sugar plants

Ans: Nuclear Power generation plants 

19) The device used for locating submerged object sunder sea is-
1) Sonar
2) Radar
3) Laser
4) Maser

Ans: Sonar 

20) ISP stands for...
A) Internet Survey Period
B) Integrated Service Provider
C) Internet Security Protocol
D) Internet Service Provider

Ans: Internet Service Provider

IMPORTANT GENERAL SCIENCE QUESTIONS FOR GOVERNMENT EXAMS

1) Which among the following was first human-made plastic?
A) Bakelite
B) Polyethene
C) Celluloid
D) Nylon

Ans: Celluloid

2) The variety of coal in which the deposit contains recognisable traces of the original plant material is
A) Bitumen
B) Anthracite
C) Lignite
D) Peat

Ans: Peat

3) "Svedberg Unit” is a unit of _________?
A) Concentration
B) Size
C) Density
D) Time

Ans: Time

4) The Potassium graphite and Calcium Graphite can be mostly used as which among the following?
A) Moderators
B) Semiconductors
C) Superconductors
D) Lubricants

Ans: Superconductors

5) The minimum temperature at which a combustible substance catches fire is called:
A) fireless temperature
B) ignition temperature
C) static temper
D) optimum temperature

Ans: ignition temperature

6) The father of medicine is
A) Hippocrates
  B) R.H. Whittakar
  C) Carolus Linnaeus
  D) Anton Van Leeuwenhoek

Ans: Hippocrates

7) Carbon, diamond and graphite are together called
A) Allotropes
B) Isomers
C) Isomorphs
D) Isotopes

Ans: Allotropes

8) Which among the following is the most important characteristic of Noble metals?
A) Luster
B) Non reactive nature
C) Preciousness
D) Rare availabil

Ans: Non reactive nature

9) Which among the following is most electronegative element?
A) Chlorine
B) Flourine
C) Bromine
D) All of them have same electronegativity

Ans: Flourine 

10) King of chemicals is ...................
A) Sulphuric acid
  B) Nitric acid
  C) Hydrochloric acid
  D) Lactic acid

Ans: Sulphuric acid

11) Whenever an alkali metal such as Lithium or Sodium reacts with water , which among the following gas is produced?
A) Oxygen
B) Hydrogen
C) Ozone
D) Carbondioxide

Ans: Hydrogen

12) Which among the following is a common salt in Detergents?
A) Sulphate
B) Nitrate
C) Sulphonate
D) Carbonate

Ans: Sulphate

13) Which among the following metal is highest electrical conductivity as well as highest thermal conductivity?
A) Gold
B) Silver
C) Platinum
D) Iron

Ans: Silver 

14) Calamine is an ore of which among the following?
A) Zinc
B) Copper
C) Mercury
D) Iron

Ans: Zinc

15) Lime water also known as ...................
A) Calcium hydroxide
  B) Ammonium hydroxide
  C) Sodium hydroxide
  D) Magnesium hydroxide

Ans: Calcium hydroxide

16) Milk of magnesia known as .....................
  A) Calcium hydroxide
  B) Ammonium hydroxide
  C) Sodium hydroxide
D) Magnesium hydroxide

Ans: Magnesium hydroxide

17) The popular drug “Acetylsalicylic Acid” is commonly known by which among the following names?
A) Paracetamol
B) Aspirin
C) Salsalate
D) Wintergree

Ans: Aspirin 

18) “Oil of mirbane” is the most common name of which among the following?
A) Phenol
B) Toluene
C) Phenolphthalein
D) Nitrobenzene

Ans:  Nitrobenzene

19) What is the common name of analgesic and antipyretic drug acetylsalicylic acid?
A) Paracetamol
B) Aspirin
C) Wintergreen
D) Trazodone

Ans: Aspirin

20) The volume of water stored in a dam or reservoir is expressed in
  A) Litres
  B) Milli litres
C) Thousand million cubic
  D) Metres

Ans: Thousand million cubic

IMPORTANT GOVERNMENT EXAM QUESTIONS ( RRB )

1) Alcohol is used as a thermometric liquid when it is desired to measure

A. High temperature
B. Very high temperature
C. Low temperature
D. None of the above

  Answer: Low temperature  


2) Heart, Brain, Lungs, Spinal Cord, Kidney and Liver are called

A. Vice Organs
B. Organs of the human body
C. Digestive system
D. Vital Organs

  Answer: Vital Organs  


3) Pneumonia is an infection of the

A. Nervous
B. Blood
C. Skin
D. Lungs

  Answer: Lungs  


4) A Universal blood donor has blood type

A. O
B. A
C. B
D. AB

  Answer: O  


5) Which of the following is/are digestive enzymes?

A. Trypsin
B. Lipase
C. Pepsin
D. All of the above

  Answer: All of the above  



6) Haemoglobin is used to transport _______ in humans.

A. Oxygen
B. Carbon Dioxide
C. Both are correct
D. Both are incorrect

  Answer: Oxygen  


7) Soda water contains

A. Carbonic acid
B. Sulphuric acid
C. Carbon dioxide
D. Nitrous acid

  Answer: Carbon dioxide  



8) What is the most basic criteria used to decide whether something is alive?

A. Walking
B. Breathing
C. Molecular movements
D. Life processes

  Answer: Life processes  



9) The most important ore of aluminium is

A. Galena
B. Calamine
C. Calcite
D. Bauxite

  Answer: Bauxite  


10) Most soluble in water is

A. Camphor
B. Sulphur
C. Common salt
D. Sugar

  Answer: Sugar  


11) Which of the following processes are essential for maintaining life?

A. Nutrition
B. Respiration
C. Transportation
D. All of the above

  Answer: All of the above  


12) The opening and closing of the stomatal pores is a function of the

A. Guard cells
B. Chloroplast
C. Xylem
D. Phloem

  Answer: Guard cells  



13) The process of dissolving an acid or a base in water is a highly

A. Exothermic reaction
B. Endothermic reaction
C. Sublimation reaction
D. Redux reaction

  Answer: Exothermic reaction  



14) The pH of acid rain is

A. More Than 5.6
B. Less than 5.6
C. Equal to 7
D. More than 7

  Answer: Less than 5.6  



15) Tomato contains

A. Acetic acid
B. Citric acid
C. Methanoic acid
D. Oxalic acid

  Answer: Oxalic acid  



16) Digestion of food stars in:

A. Intestine
B. Stomach
C. Liver
D. Mouth

  Answer: Stomach  



17) The greatest number of stars exists in

A. A Galaxy
B. Star Cluster
C. The Soler System
D. Comet

  Answer:  A Galaxy  



18) A re-usable space rocket is called

A. Apollo
B. Satellite
C. Space shuttle
D. Skylab


  Answer:  Space shuttle  



19) Which of the following diseases is caused by Virus?

A. Typhoid
B. Malaria
C. Diabetes
D. Flu

  Answer: Flu  



20) Which of the following ‘synthetic fibres’ was discovered first?

A. Nylon
B. Teryline
C. Polythene
D. Rayon

  Answer: Nylon  

MOST IMPORTANT GOVERNMENT EXAM QUESTIONS

1) Athlete’s foot is a dangerous disease caused by

A. Fungus
B. Fly
C. Virus
D. Vitamin deficiency

 Answer: Fungus


2) The heavenly body nearest to the earth is the

A. Venus
B. Sun
C. Moon
D. Saturn

 Answer: Moon


3) Second’s pendulum is a pendulum which executes one oscillation in

A. Half a second
B. One second
C. Two seconds
D. None of these

 Answer: Two seconds


4) Small pox is a deadly and highly contagious

A. Bacterial Disease
B. Viral disease
C. Fungal disease
D. Vitamin deficiency disease

 Answer: Viral disease


5) Quartz crystals normally used in quartz clocks etc. is chemically

A. Silicon dioxide
B. Germanium oxide
C. a mixture of germanium oxide and silicon dioxide
D. Sodium silicate

 Answer: Silicon dioxide


6) Which of the gas is not known as green house gas?

A. Methane
B. Nitrous oxide
C. Carbon dioxide
D. Hydrogen

 Answer: Hydrogen


7) Bromine is a

A. Black solid
B. Red liquid
C. Colourless gas
D. Highly inflammable gas

 Answer: Red liquid


8) Who invented the microscope?

A. Joseph Niepce
B. Blaise Pascal
C. Linus Pauling
D. Zacharias Janssen

 Answer: Zacharias Janssen


9) Which of the following elements has the lowest melting point?
A. Zinc
B. Titanium
C. Sulphur
D. Fluorine

 Answer: Fluorine


10) Which of the following is an antibiotic?

A. Paracetamol
B. Aspirin
C. Sulphadizine
D. Penicillin


 Answer: Penicillin


11) Intelligent behaviour directly depends upon

A. Memory
B. Instincts
C. Innate behaviour
D. Reflex

 Answer: Memory


12) SI unit of magnetic flux is

A. Weber
B. Tesla
C. Henry/meter
D. Weber/meter2

 Answer: Weber


13) Trachoma is a disease of the

A. Liver
B. Eyes
C. Lungs
D. Kidneys

 Answer: Eyes


14) The hardest substance available on earth is

A. Gold
B. Iron
C. Diamond
D. Platinum

 Answer: Diamond


15) The variety of coal in which the deposit contains recognisable traces of the original plant material is

A. Bitumen
B. Anthracite
C. Lignite
D. Peat

 Answer: Peat


16) Tetraethyl lead is used as

A. Pain killer
B. Fire extinguisher
C. Mosquito repellent
D. Petrol additive

 Answer: petrol additive


17) Which of the following is a radioactive element?

A. Cobalt
B. Uranium
C. Argon
D. Chromium

 Answer: Uranium


18) Which group is not concerned with the solar system?

A. Nebulae
B. Asteroids
C. Nervous system
D. Planets


 Answer: Nervous system


19) Which of the following substances or chemicals is obtaind from plants?

A. Insulin
B. Qunine
C. Chloromycetin
D. Aspirin

 Answer: Qunine


20) The mass density of Kerosene is:

A. More than water
B. Equal to water
C. Less than water
D. None of the above

 Answer: Less than water