PST Test: 21-January-2013 morning


1. 'Elements of life' are ___ in number: 4 (I think they are Carbon, Hydrogen, Nitrogen & Oxygen) Ali bhai please confirm this question others options were 4, 10, 110 & 125. I think they should be these 4 elements
2. National animal of Pakistan: Markhor
3. 2 x^2=??. If x = -2, then: +8
4. (-4)(-4)= +16
5. Khatris are considered: warrior.
6. Sodium Carbonate is washing soda: TRUE
7. Pick the ODD one out from: Asia, Africa, Australia, Atlantic. Answer: Altantic, as it is an ocean and others are continenents
8. Pores on leaves called: stomata
9. Producers manufacture food by photoshynthesis. TRUE
10. Area of cylinder: pi x r^2
11. Opposite of start: stop
12. Queue means: line
13. Staple food of sub continent: Wheat
14. 'Karez' is underground irrigation system: TRUE (It is practiced in Baluchistan)
15. Indus platue is in: Pakistan
16. 2nd most populous nation: India
17. National Anthem written by: Hafiz Jhallendary
18. Humiyuan built Taj Mahal: FALSE (Shah Jahan built it)
19. Moon to Earth distance is 240000 miles: TRUE
20. Afghanistan capital: Kabul
21: Part above land surface: thuurh (in sindhi )or tanaa (in urdu) stem (in English)
22. Animal famous for desert riding: camel
23. Army & Navy headquarter in: Wah cantt
24. Hetrogenous mixture of subtances called solution: FALSE
25. 1st Prime Minister of Pakistan: Liaquat Ali Khan
26. Deficency of _______ causes lack of blood clotting: Vitamin K
27. Deficency of iodine causes: Goiter
28. City of lights: Karachi
29. Pure subtance can be an element or a mixture: FALSE (it can be an element or a compound)
30. Null set is subset of every set: TRUE
31. 72% is equal to: 0.72
32. 6 added in certain number the sum is 9: Number is 3
33. Percent means "For each hundred" : (True)
34. Sum of two angle 180 is: Supplementary Angle
35. (1,2,3,4,5,6.......) called: infinite numbers
36. "a+b = b+a" is called: Commutative property of addition
37. Sodium carbonate is formula for washing soda. TRUE

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Those who wait they get. (Own Creation)