General Knowledge Quiz 99 about India. general knowledge quiz India. Test your general knowledge about India online for free. Free basic GK test online for you. India basic general knowledge quizzes for various entrance exams.
Q. Which of the following are Einstein’s discoveries?
1. Photoelectric affect and X-rays
2. Radioactivity and the theory of relativity
3. Photoelectric effect and the theory of relativity
4. Radioactivity and X-rays
View answer
Ans: 3
Q.The age of the earth can be estimated by –
1. Uranium dating
2. Carbon dating
3. Atomic clocks
4. Biological clocks
Ans: 1
Q.Radioactivity has applications in –
1. Medicine
2. Agriculture
3. Industry
4. All of these
Ans: 4
Q.The nucleus of an atom contains –
1. Protons and Neutrons
2. Protons and Electrons
3. Neutrons and Electrons
4. Only Neutrons
Ans: 1
Q.An electric bulb has a filament made of –
1. Copper
2. Iron
3. Lead
4. Tungsten
Ans: 4
Q.Which of the following devices converts electrical energy into mechanical energy?
1. Dynamo
2. Transformer
3. Electric motor
4. Inductor
Ans: 3
Q.The surface of a lake is frozen in severe winter, but the water at its bottom is still liquid. What is the reason?
1. Ice is a bad conductor of heat
2. Since the surface of the lake is at the same temperature as the air, no heat is lost
3. The density of water is maximum at 4°C
4. None of the above
Ans: 3
Q.The Red Data Books published by the International Union for Conservation of nature and Natural Resources (IUCN) contains lists of –
1. Endemic plant and animal species present in the biodiversity hotsposts
2. Threatened plant and animal species
3. Protected sites for conservation of nature and natural resources in various countries
4. None of the above
Ans: 2
Q.The term pH denotes the –
1. Temperature of solution
2. Vapour pressure of solution
3. Acidity or Basicity of solution
4. Ionic strength of solution
Ans: 3
Q.DDT is the name of a chemical that can be used as a/an –
1. Antiseptic
2. Insecticide
3. Antibiotic
4. Fertilizer
Ans: 2
