Q1. Which is the substance obtained on a commercial scale from the sea water besides sodium chloride?
Q2. Match thefollowing
Q3. The presence of what distinguishes a plant cell from an animal cell?
(b) Cell wall
(c) Cell membrane
Q4. Which among the following is used in the treatment of tuberculosis ?
Q5. Which hill stations name means place of the thunderbolt ?
Q6. Bhilai Steel Plant was built withcollaboration of
(a) Germany .
(b) Soviet Union
(c) United Kingdom
Q7. Which day was declared as the Direct Action Day by the Muslim League ?
(a) 3rd September 1946
(b) 16th August 1946
(c) 16th May 1946
(d) 4th December 1946
Q8. The gift edged market in the capital market of India refers to
(a) long-term private securities
(b) market dealing in existing securities.
(c) market for corporate securities
(d) market for Government securities
Q9. Which of the following are used for accurately measuring very small time intervals ?
(b) Quartz clocks
(c) Atomic clocks
(d) White dwarfs
Q10. The propagation of sound waves in a gas involves
(a) adiabatic compression and rarefaction
(b) isothermal compression and rarefaction
(c) isochoric compression and rarefaction
(d) isobaric compression and rarefaction
Q11. The polymerisation of which of the following is used in manufacturing of polythene in industry ?
Q12. What is the maximum Water Vapour content in the atmosphere?
(a) 2 to 3 per cent
(b) 3 to 4 per cent
(c) 4 to 5 per cent
(d) 5 to 6 per cent
Q13. Where is India’s super computer PARAM located ?
Q14. Insufficient blood supply In human body is referred as
Q15. What is the common in AIDSmumps and poliomyelitis?
(a) Young children get affected most readly
(b) No effective vaccine has yetbeen developed for them
(c) These are caused by viruses
(d) Their germs can be transmitted through blood transfusions
Q16. Sodium bicarbonate is commercially known as
(a) Washing soda
(b) Baking soda
(c) Caustic soda
(d) Soda lime
Q17. Which of the following is used to increase the antiknocking property of petrol
(a) Tetramethyl lead
(b) Tetraethyl lead
(c) Trimethyl lead
(d) Triethyl lead
Q18. A periscope works on the principle of
(b) total internal reflection
Q19. Gall bladder stones are deposits of
Q20. Forestsecosystems that have suffered a tremendous destruction of habitat comprise
(a) Tropical deciduous forests
(b) Temperate forests
(c) Tropical rain forests
(d) Neither of the above
1 b 2 b 3 a 4 a 5 d 6 b 7 b 8 b 9 c 10 a 11 d 12 b 13 b 14 a 15 c 16 b 17 b 18 b 19 d 20 c
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