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BASIC SCIENCE - SOLVED QUESTIONS - SET 3


1. The Recent outbreak of Ebola is a fatal disease caused by
(a) Bacteria 
(b) Virus
(c) protozoan 
(d) Insects

  
2. The main active constituent of tea and coffee is
(a) Nicotine 
(b) caffeine
(c) Alcohol  
(d) Aspirin



3. Which one among the following radiations carries maximum energy?
(a) Ultraviolet rays 
(b) Gamma Rays
(c) X-rays  
(d) IR Rays


4. Which one of the following is a good conductor of electricity?
(a) Iron 
(b) Copper
(c) Steel 
(d) Human Body



5. Who is regarded as the father of modern chemistry?
(a) Rutherford 
(b) CV Raman
(c) Einstein  
(d) Lavoisier


6. The hardest form of carbon is
(a) Graphite  
(b) Diamond
(c) Charcoal  
(d) Coke



7. The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is
(a) Carbon 
(b) Oxygen
(c) Nitrogen 
(d) Calcium


8. The National Chemical Laboratory is situated in
(a) New Delhi  
(b) Bengaluru
(c) Pune 
(d) Thiruvananthapuram



9. Iron pipes are coated with zinc to prevent corrosion. This method is called
(a) Galvanization 
(b) Condensation
(c) Sedimentation 
(d) Crystallization


10. Gobar gas mainly consist of
(a) Methane 
(b) Carbon Monoxide
(c) Ethylene  
(d) Acetylene



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