PSC GK 3

21. Silent Valley, which has been raised to the status of National park, is situated in?
A. J&K
B. Tamilnadu
C. West Bengal
D. Kerala

22. White lung cancer is caused by?
A. Asbestos
B. Paper
C. Textiles
D. Silica

23. Bhopal gas tragedy occurred due to?
A. Methane
B. Phosgene
C. Methyl-isocyanate
D. Methyl amine 

24.There is no atmosphere on the moon because
A. it is close to the earth
B. it revolves around the earth
C. its acceleration due to gravity is low
D. its acceleration due to gravity is high 

25.The taste buds for bitter taste are present at the......
A. centre of tongue.
B. back of tongue.
C. tip of tongue.
D. edges of tongue. 

26. After vigorous exercise, a person may experience pain in muscles due to ....
A, break down of glucose and release of energy.
B. accumulation of Pyruvic acid.
C. formation and accumulation of Lactic Acid.
D. formation of ethyl alcohol. 

27. Metal which is a constituent of Haemoglobin?
A. Cu
B. Al
C. Zn
D. Fe

28. How many times a solution of pH = 3 be diluted to get a solution of pH = 6 ?
(1) 2
(2) 10
(3) 100
(4) 1000

29. Which of the following is a biodegradable waste?
(1) Plastics
(2) Polythene
(3) Glass
(4) None of these

30. A Bit Stands for ???
A. Binary Digit
B. Binary Data
C. Binary Deci
D. None of the above