Science (Mixed) Quiz Based on NCERT for SSC 2016 Quiz

Q1. Which gas is commonly used in anesthesia?
(a) methane 
(b) nitrous oxide 
(c) nitrogen 
(d) hydrogen peroxide

Q2. Ultrasonics are sound waves of frequency— 
(a) greater than 20,000 Hz 
(b) less than 10,000 Hz 
(c) equal to 1000 Hz 
(d) None of these

Q3. An iron ball weighing 10 kg on the earth will weigh in space—
(a) less than 10 kg 
(b) more than 10 kg 
(c) exactly 10 kg 
(d) zero

Q4. Which mirror used by a dentist to examine the teeth of patients?
(a) Concave 
(b) Convex 
(c) Plane 
(d) Cylindrical

Q5. Which one of the following liquids is very good conductor of heat? 
(a) Mercury 
(b) Water 
(c) Ether 
(d) Benzene

Q6. Sound above what level (in decibel) is considered hazardous noise pollution ? 
(a) 30 dB 
(b) 40 dB 
(c) 60 dB 
(d) 80 dB

Q7. Tube light is filled with—
(a) sodium vapour 
(b) argon gas at low pressure 
(c) mercury vapour at low pressure 
(d) mercuric oxide and argon gas

Q8. In which of the following chlorophyll does not exist? 
(a) Algae 
(b) Fungi 
(c) Bryophytes 
(d) Pteridophytes

Q9. Which one of the following elements is a metalloid? 
(a) Arsenic
(b) Silicon
(c) Aluminium
(d) Both (a) & (b)

Q10. In which type of coal percentage of carbon is the highest? 
(a) Peat 
(b) Lignite 
(c) Bituminous 
(d) Anthracite

Q11. Which one of the following metals occurs in nature in free state? 
(a) Gold 
(b) Sodium 
(c) Aluminium 
(d) Copper

Q12. Stainless steel contains 
(a) Fe + Cr + Ni 
(b) Fe + Ni + Cu 
(c) Fe + Cr + Cu 
(d) Fe + C + Ni

Q13. Which one among the following is not a mixture? 
(a) Graphite 
(b) Glass 
(c) Brass 
(d) Steel

Q14. The biofertilizer used for the paddy crops is 
(a) Blue-green algae 
(b) Rhizobium species 
(c) Fungal root fungal 
(d) Azetobactor species

Q15. Butter paper is an example of …………. object. 
(a) a transparent
(b) a translucent 
(c) an opaque 
(d) a luminous 





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