General Science Questions and Answers | General Knowledge


Potassium Permanganate is used for purifying drinking water, because

   A.) it is a sterilising agent
   B.) it is a reducing agent
   C.) it dissolves the impurities of water
   D.) it is an oxidising agent

Answer: Option 'D'

it is an oxidising agent


'Pencillin' which is used as an antibiotic is obtained from 

   A.) Algae
   B.) Fungi
   C.) Bacteria
   D.) Lichens

Answer: Option 'B'



When a gas is turned into a liquid, the process is called

   A.) deposition
   B.) sublimation
   C.) evaporation
   D.) condensation

Answer: Option 'D'



The gases used in different types of welding would include

   A.) oxygen and hydrogen
   B.) oxygen and acetylene
   C.) oxygen, acetylene and argon
   D.) oxygen, hydrogen, acetylene and nitrogen

Answer: Option 'B'

oxygen and acetylene


Garampani sanctuary is located at

   A.) Diphu, Assam
   B.) Gangtok, Sikkim
   C.) Junagarh, Gujarat
   D.) Kohima, Nagaland

Answer: Option 'A'

Famous for Hot water springs and homeland for Hoolock Gibbons and Golden Langurs, The Garampani Wildlife Sanctuary is situated in Karbi Anglong of Diphu area. One of the oldest Sanctuary containing Hot water spring and waterfalls and surrounded by Nambour Sanctuary having 51 rare species of Orchid. It has a total area of 6 sq. Km.


What does airbag, used for safety of car driver, contain?

   A.) Sodium nitrite
   B.) Sodium azide
   C.) Sodium bicarbonate
   D.) Sodium peroxide

Answer: Option 'B'

Sodium azide


At present, scientists can determine the arrangement or relative positions of genes of DNA sequences on a chromosome. How does this knowledge benefit us?
1. It is possible to know the pedigree of livestock.
2. It is possible to understand the causes of all human diseases.
3. It is possible to develop disease-resistant animal breeds.
Which of the statements given above is/are correct?

   A.) 1 and 2 only
   B.) 2 only
   C.) 1 and 3 only
   D.) 1, 2 and 3

Answer: Option 'D'

1, 2 and 3


The Van Vihar National Park is loacted in which state?

   A.) Andhra Pradesh
   B.) Madhya Pradesh
   C.) Telangana
   D.) Bihar

Answer: Option 'B'

The Van Vihar National Park is located in Bhopal, the capital city of Madhya Pradesh. It covers an area of about 4.45 and is home to Bengal Tiger, Asiatic Lions, wild cats, Indian Wolf, Sloth Bear, Red Fox, Indian Jackal, Wild Dog, Mongoose, Striped Hyena, Mugger Crocodile, Gharial, Snakes, Python, etc.


Why is Golden Rice pale yellow in color?

   A.) Rich in Chlorophyll
   B.) Rich in Phycobilins
   C.) Rich in Beta-Carotene
   D.) None

Answer: Option 'A'

Golden Rice (Oryza sativa) denotes a genetically modified rice capable of biosynthesizing and accumulating β-carotene (provitamin A) in the endosperm, yielding a characteristic yellow color in the polished grains. Golden rice was developed to help cope with vitamin A deficiency, a problem that prevails in developing countries, affecting millions (Underwood, 2000; UNICEF, 2000). Vitamin A deficiency causes mortality and growth retardation in children and frequently impairs vision, leading to blindness. It also contributes indirectly to anemia by interfering with iron bioavailability.

The endosperm of Golden Rice (Oryza sativa) is yellow due to the accumulation of β-carotene (provitamin A) and xanthophylls. The product of the two carotenoid biosynthesis transgenes used in Golden Rice results in Pale Yellow color.


Nobel Prize is established in?

   A.) 1901
   B.) 1951
   C.) 1911
   D.) 1931

Answer: Option 'A'



Ecology Deals With

   A.) Environment
   B.) Birds
   C.) Organisms and their Environment
   D.) Living beings

Answer: Option 'C'

Ecology is the branch of science which deals with the study of Ecosystem (relation between the Organisms and their Environment.)


What invisible force holds you onto the earth, so that you don't simply fall off?

   A.) wind
   B.) magnetism
   C.) gravity
   D.) speed

Answer: Option 'C'



As you go down into a well, your weight

   A.) increases slightly
   B.) remains exactly the same
   C.) decreases slightly
   D.) None of the above

Answer: Option 'C'

decreases slightly


How many years it takes for Pluto to Orbit the Sun?

   A.) 76 yrs
   B.) 144 yrs
   C.) 198 yrs
   D.) 248 yrs

Answer: Option 'D'

It takes 248 yrs for Pluto to orbit the Sun.


The blue colour of the clear sky is due to

   A.) Reflection of light
   B.) Diffraction of light
   C.) Dispersion of light
   D.) Refraction of light

Answer: Option 'C'

A clear cloudless day-time sky is blue because molecules in the air dissipate blue light from the sun more than they dissipate red light. When we look towards the sun at sunset, we see red and orange hues on the grounds because the blue light has been scattered out and away from the line of sight.

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