Important General Science Questions

  👉 What is the chemical name of Laughing gas? Ans - Nitrous oxide

Give an example of a gas lighter than air?
Ans – Hydrogen

👉 Name the gas heavier than air?
Ans – Carbon dioxide

The substance used in glowing and matches is
Ans - Phosphorus

👉 Who is called the most intelligent creature after humans?
Ans - Dalifan

👉 What is Bamboo?
Ans – Grass

👉 Which gas is mainly present in cow dung?
  Ans – Methane

👉 Which gases are there in cooking gas?
Ans — Propane, Butane

Which gas is used to ripen fruits?
Ans - Acetylene

The disease called Goitre is due to whose deficiency?
Ans – Iodine

Which method is adopted to determine the age of 'fossils'?
Ans - Carbon dating method

👉 Why does the kerosene oil in the lantern go up in the light?
Ans - Due to capillarity

👉 How many carats is pure gold?
Ans - 24 carat

👉 What are the thick roots hanging down from the trunk of the banyan tree called?
Ans - column root

What are the primary colours?
Ans - Blue, Yellow, Green

👉 Due to which the rain drops become round?
Ans - Due to surface tension

Which mixture of gases do divers breathe?
Ans- Oxygen and Helium

Which gas was leaked in Bhopal gas accident?
Ans - Methyl isocyanate

The purest form of water is
Ans - Rain water

👉 Which gas is called Noble Gas?
Ans- Helium

Which plant is used to make biodiesel?
Ans- Ratanjot (Jatropha)

👉 Name the virus of 'bird flu' and 'swine flu'?
Ans- H5 N1 and H1N1 respectively

Which vitamin is obtained from the rays of the sun?
Ans - Vitamin-D

Which silver compound was mainly used in photography?
Ans - Silver Bromide

Diamond and graphite are a form of what?
Ans - of carbon

What is the order of energy equivalent to 1 kg of matter?
Ans - 1017 joules

👉 That amount of electricity, which collects 108 grams of silver on the cathode, what is it called?
Ans - One Faraday

Which satellite was launched and put into orbit on September 23, 2009, out of 6 microsatellites of different countries?
Ans - Oceansat-2

What is studied in Entomology?
Ans - of insects

With which subject is ecology related?
Ans - from the environment

What is studied in Genetics?
Ans - of heredity and chromosome

What is the rotation speed of the earth?
Ans - 28 km/min

Which mammal has the biggest eyes?
Ans- Deer

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