RSMSSB LDC exam paper S to Z – 2018 English Paper (Answer Key) First Shift

21. Rainbow is formed due to the ______ sunlight by tiny water droplets.
(A) Polarization
(B) Reflection
(C) Dispersion
(D) Interference
Show AnswerAnswer – C

22. SI unit of the power of a lens is :
(A) Metre
(B) Horse power
(C) Diopter
(D) Watt
Show AnswerAnswer – C

23. A person suffering from shortsightedness can see objects lying in between 20 cm to 100 cm. To see objects lying at infinity he has to use which lens and of what focal length ?
(A) Convex lens, 120 cm
(B) Convex lens, 80 cm
(C) Convex lens, 20 cm
(D) Convex lens, 100 cm
Show AnswerAnswer – D

24 The objective of earthing in houses is :
(A) to provide high voltage to the equipments
(B) to provide as high resistance as possible for conduction of current to the ground
(C) to provide as low resistance as possible for conduction of current to the ground

(D) to provide high current to the equipments
Show AnswerAnswer – C

25. If an object is placed at infinity from a concave lens of focal length 15 cm, then the distance of virtual Image from the lens will be :
(A) 20 cm
(B) 15 cm
(C) 10 cm
(D) at infinity
Show AnswerAnswer – B

26. Which of the following colours is deviated the most while passing through the prism?
(A) Green
[B) Yellow
(C) Red
(D) Violet
Show AnswerAnswer – D

27. There are three copper wires of length and cross-sectional area given by
Respectively. The resistance is minimum for the wire of cross-sectional area –
(A) 2A
(B) A
(C) A/2
(D) It is same for all the three wires
Show AnswerAnswer – A

28. In an electric generator
(A) heat energy is converted into electrical energy
(B) chemical energy is converted into heat energy
(C) chemical energy is converted into electrical energy
(D) mechanical energy is converted into electrical energy
Show AnswerAnswer – D

29. _______ is used to develop Back-end of an application
(A) Database
(B) Statement
(C) GUI
(D) From
Show AnswerAnswer – A

30. Which one of the following is not a search engine ?
(A) Yahoo
(B) Chrome
(C) Google
(D) Bing
Show AnswerAnswer – B

31. ________ was a virus which was first detected on ARPANET.
(A) Concept
(B) StuXnet

(C) Creeper
(D) Storm Worm
Show AnswerAnswer – C

32. Any given Boolean expression can be implemented by using ________
(A) NAND and NOR gates
(B) AND geats only
(C) OR gates only
(D) NOT
Show AnswerAnswer – A

33. The first space ship sent out of the sloz system was :
(A) Pioneer – 1
(B) Mangalyan
(C) Chandrayan
(D) Pioneer – 10
Show AnswerAnswer – A

34. Who is Known as the father of supercomputing ?
(A) Alan Turing
(B) Charles Babbage
(C) Seymour Cray
(D) Vint Cerf
Show AnswerAnswer – C

35. MENCA, an instrument that flew in first Indian MARS Orbiter Mission, is basically a / an ________ spectrometer.
(A) X-Ray
(3) Optical
(C) Imaging
(D) Mass
Show AnswerAnswer – D

36. ________ is but an indian university satellite inspirched for academic purpeched
(A) SWAYAM
(B) PISNT
(C) PRETHAM
(D) SARAL
Show AnswerAnswer – D

37. The concentration of CO2 in the atmosphere is –
(A) 0.03%
(B) 2%
(C) 7%
(D) Zero
Show AnswerAnswer – A

38. Which of the following constitute the strueture of chromowane ?
(A) DNA and RNA

(B) RNA and Histones
(C) DNA and Histones
(D) DNA, RNA and Histones
Show AnswerAnswer – D

39. Which of the following is a cause of Heart Attack ?
(A) When insufficient blood reaches the heart
(B) When a blood clot enters to the arteries
(C) Increase in cholesterol levels of body
(D) All of these
Show AnswerAnswer – D

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