Civil Service Preliminary Paper-1 Previous Year Solved Questions for the year 2012


81) Other than resistance to pests, what are the prospects for which genetically engineered plants have been created?
(A) To enable them to withstand drought
(B) To increase the nutritive value of the produce
(C) To enable them to grow and do photosynthesis in spaceships and space stations
(D) To increase their shelf life


82) What is the role of ultraviolet (UV) radiation in the water purification systems?
1. It inactivates/kills the harmful microorganisms in water.
2. It removes all the undesirable odours from the water.
3. It quickens the sedimentation of solid particles, removes turbidity and improves the clarity of water.

Which of the statements given above is/are correct?
(A) 1 only
(B) 2 and 3 only
(C) 1 and 3 only
(D) 1, 2 and 3


83) Graphene is frequently in news recently. What is its important?
1. It is a two-dimensional material and has good electrical conductivity.
2. It is one of the thinnest but strongest materials tested so far.
3. It is entirely made of silicon and has high optical transparency.
4. It can be used as ‘conducting electrodes’ requires for touch screens, LCD’s and organic LED’s

Which of the statements given above are correct?
(A) 1 and 2 only
(B) 3 and 4 only
(C) 1,2 and  only
(D) 1, 2, 3 and 4



84) With reference to ‘stem cells’, frequently in the news which of the following statements is/are correct?
1. Stem cells can be derived from mammals only.
2. Stem cells can be used for screening new drugs.
3. Stem cells can be used for medical therapies.

Select the correct answer using the codes given below:
(A) 1 and 2
(B) 2 and 3 only
(C) 3 only
(D) 1, 2 and 3



85) A team of scientists at Brookhaven National Laboratory including from India created the heaviest anti-matter (anti-helium nucleus). What is/are the implications of the creation of anti-matter?
1. It will make mineral prospecting and oil exploration easier and cheaper.
2. It will help probe the possibility of the existence of stars and galaxies made of anti matter.
3. It will help understand the evolution of the universe.

Select the correct answer using the codes given below:
(A) 1 only 
(B) 2 and 3 only
(C) 3 only
(D) 1, 2 and 3


86) Recently there has been a concern over the short supply of a group of elements called rare earth metals. Why?
1. China, which is the largest producer of these elements, has imposed some restrictions on their export.
2 Other than china, AustraliaCanadaChile, these elements are not found in any country.
3 Rare earth metals are essential for the manufacture of various kinds of electronic items and there is growing demand for these elements.

Select the correct answer using the codes given below:
(A) 1 only
(B) 2 and 3 only
(C) 1 and 3 only
(D) 1, 2 and 3


87) How do you distinguish between kuchipudi and bharatnatyam dances?
1.  Dancers occasionally speaking dialogues is found in kuchipudi dance but not in bharatnatyam.
2 . Dancing on the brass plate by keeping the feet on its edges is a feature of bharatnatyam but have such a form of movements.

Select the correct answer using the codes given below:
(A)  1 only
(B)  2 only
(C)  both 1 and 2
(D)  neither 1 nor 2


88) Lord Buddha’s image is sometimes shown with the hand gesture called “Bhumiparsh Mudra”. it symbolizes
(A) Buddha’s calling of the earth to watch over Mara and to prevent Mara from disturbing his meditation
(B) Buddha’s calling of the earth to witness his purity and chastity despite the temptations of Mara
(C) Buddha’s reminder to his followers that they all arise from the earth and finally dissolve into the earth and thus this life is transitory
(D)  both A and B are correct.



89) The religion of early Vedic Aryans was primarily of
(A) bhakti
(B) image worship and yajnas
(C) worship of nature and yajnas
(D) worship of nature and bhakti


90) With reference to the scientific progress of ancient India which of the statements given below are correct?
1. Different kinds of specialised surgical instruments were in common use by 1st century AD.
2. Transplant of internal organs in the human body had begun by the beginning of 3rdcentury AD.
3. The concept of sine of an angle was known in 5thcentury AD.
4. The concept of cyclic quadrilateral was known in 7thcentury AD.

Select the correct answer using the codes given below:
(A) 1 and 2 only
(B) 3 and 4 only
(C) 1, 3 and 4 only
(D) 1, 2, 3 and 4



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