- Charles Drawings and G Mendet
- C.Woese and R Franclin
- James Watson and Francis Crick
- M.Wilkuns and J.Black
- c
-
Both Scientists discover the structure of DNA in 1953.
Everyday Science MCQs
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The basic physical and functional unit of heredity is called:
- Gene
- Cell
- Chromosome
- Chromosome
- a
-
Genes are made up of DNA.
DNA stands for Deoxyribonucleic Acid.
The reaction which releases or give off heat energy is called:
- Indothermic Reaction
- Endothermic Reaction
- Exothermic Reaction
- Isothermal Reaction
- c
The study of heat changes in chemical reactions is called:
- Electro Chemistry
- Thermo Chemistry
- Organic Chemistry
- Bio Chemistry
- b
Which one among the following is an example of decomposition reaction?
- The formation of Hydrogen and Oxygen from water
- The formation of Ammonia from Nitrogen and Hydrogen
- The burning of Coal to give carbon dioxide.
- The reaction of Sodium and Chlorine to form Sodium Chloride.
- a
Our Solar System is located in which Galaxy?
- Milky Way Galaxy
- Silky Way
- Magelianic Clouds
- Cygnus
- a
The most common device used to measure the atmospheric pressure is:
- Barometer
- Thermometer
- Altimeter
- Chlorimeter
- a
-
Barometer was invented by Italian Physicist Evengalista Torricielli in 1673.
Law of Mass of Conservation was given by:
- John Dalton
- Antoine Lavoisier
- Cavendish
- Albert Einstein
- b
-
Mass is neither created nor destroyed in chemical reactions (Law of Mass of Conservation).
Law of Mass of Conservation was presented by Antoine in 1789.
Emission of Chlorofluorocarbon (CFCs) in the atmosphere destroys:
- Clouds
- Air
- Ozone Layer
- Oxygen
- c
-
The chemical formula of Chlorofluorocarbon is CC12F2.
The process of photosynthesis produces glucose and _____
- Carbon Dioxide
- Carbon Monoxide
- Oxygen
- Water
- c
-
The process to make food for plant by light is called Photosynthesis.
There are two types of Photosynthesis which are Oxygenic and Anoxygenic.
