46 .Roentgen discovered
A.  Electrocardiograph
B.  Xâ'rays
C.  Anti polio vaccine
D.  Encephalograph
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47 .Which of the following is a secondary air pollutant?
A.  Acid rain
B.  CO2
C.  SO2
D.  Dust particles
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48 .Which major event in Indian history is also called as 'White Flowing River'?
A.  Quit India Movement
B.  Partition of India
C.  Dandi March
D.  Operation Bluestar
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49 .Which of the following is not a function of the Control Unit?
A.  Interpret instructions
B.  Read instructions
C.  Execute instructions
D.  Direct operations
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50 .Yellow color of urine is due to presence of
A.  Cholesterol
B.  Lymph
C.  Urochrome
D.  Bile juice
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51 .A prescribed set of well-defined instructions for solving mathematical problems is called ________
A.  A compiler
B.  An algorithm
C.  A code
D.  A description
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52 .Which one of the following strongly threatens biodiversity?
A.  Inaccessible habitates in the Himalayas
B.  Eragile ecosystems such as mangroves and wetlands
C.  Creation of biosphere reserves
D.  Desstruction of natural habitates and regetation and Jhum cultivation
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53 .A computer consists of
A.  central processing unit
B.  All of the above
C.  motherboard
D.  hard disk drive
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54 .DNA is made of repeating units called
A.  Peptides
B.  Aminoacids
C.  Ribozomes
D.  Nucleotides
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55 .Amrita Pritam's work A Revenue Stamp is
A.  A novel
B.  A biography
C.  A book of stories
D.  An autobiography
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56 .The State which has the highest percentage of literate unemployed in India is
A.  Kerala
B.  Manipur
C.  Andhra Pradesh
D.  Gujarat
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57 .An object with a constant speed
A.  also has a constant velocity
B.  might be accelerated
C.  is not accelerated
D.  is always accelerated
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58 .Cyclonic rainfall largely occurs in
A.  Egypy
B.  U.K
C.  India
D.  Mexico
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59 .KYC norms for e-wallets made mandatory from