RSMSSB LDC Exam Paper 2018 in English (Answer Key)

41. The dark coloured amorphous substance that is highly resistant to microbial action and undergoes decomposition at an extremely slow rate is called ____
(A) leachate
(B) decomposer
(C) humus
(D) detritus
Show AnswerAnswer – C

42. ‘GMO is –
(A) Genetically Mutant Organism
(B) Genetically Mixed Organism
(C) Genetically Modified Organism
(D) Genetically Modern Organism
Show AnswerAnswer – C

43. Which of the following disease is caused by a bacterium ?
(A) Polio
(B) Filariasis
(C) Typhoid
(D) Haemophilia
Show AnswerAnswer – C

44. Which hormone deficiency in the body causes diabetes ?
(A) Thyroxine
(B) All of these
(C) Adrenaline
(D) Insulin
Show AnswerAnswer – D

45. Who trap the maximum sun energy ?
(A) Grasses
(B) Animals
(C) Algae
(D) Trees
Show AnswerAnswer – C

46. A thick fleshy grows horizontally, having dry scale leaves, terminal buds. adventitious roots called as –
(A) Bulb
(B) Rhizome
(C) Tuber
(D) Corm

Show AnswerAnswer – B

47. Genes which code for a pair of contrasting traits are known as –
(A) Alleles
(B) Progenies
(C) Hybrids
(D) Filials
Show AnswerAnswer – A

48. Sex determination in human beings is based on ________ method.
(A) XO
(B) Zw
(C) XX-XY
(D) XX
Show AnswerAnswer – C

49. A food chain always starts with –
(A) Excretion
(B) Respiration
(C) Photosynthesis
(D) Digestion
Show AnswerAnswer – C

50. What are the symptoms of Rh disease ?
(A) Fast heart rate
(B) All of these
(C) Large abdomen
(D) Lack of energy
Show AnswerAnswer – B

51. A cylindrical vessel of base radius 20 cm filled up to a height of 32 cm with juice. The juice is filled in cylindrical glass of radius 4 cm upto a height of 8 cm. How many such glasses can be filled ?
(A) 20
(B) 120
(C) 100
(D) 50
Show AnswerAnswer – C

52. If P(9a-2, -5) divides line segment joining the points A(3a+1,-3) and B(8a, 5) in the ratio 3:1, then the values of a and b are –
(A) a=1, 6 =3
(B) a=1, b=-3
(C) a=-1, b =-3
(D) a=-1, 6 =3
Show AnswerAnswer – B

53. The two opposite vertices of a square are (-1,2) and (3, 2), then the coordinates of the other two vertices are –

(A) (1,0) and (1,4)
(B) (-1,0) and (1,-4)
(C) (1,0) and (-1, 4)
(D) (-1,0) and (-1, 4)
Show AnswerAnswer – A

54. In figure ZXYZ=64º and XY is produced to point P. If ray YQ bisect ∠ZYP, then the value of ∠XYQ is
(A) 122°
(B) 302°
(C) 116°
(D) 105°
Show AnswerAnswer – A

55. Successive discounts of p% and q% : equivalent to a discount of
(A) (p+4)%
(B) (p+q/2)%
(C) (p+q-pq/100)%
(D) (p+q- pq/100)%
Show AnswerAnswer – D

56. ₹ 4,000 was divided into two parts such a way that first part was invested at 3% and the second at 5% per annum. If the whole simple interest from both the investments for one year is ₹ 144 Then the amount of the first part is
(A) ₹ 2,700
(B) ₹ 2,400
(C) ₹ 2,500
(D) ₹ 2,800
Show AnswerAnswer – D

57. A man spends 75% of his income. His income increases by 20% and his expenditure also increases by 10%, then the percentage increase in his savings is –
(A) 10%
(B) 50%
(C) 25%
(D) 20%
Show AnswerAnswer – B

58 The ratio of an external angle and an internal angle of a regular polygon is 1:5. The number of sides in the polygon is –
(A) 12
(B) 10
(C) 8
(D) 6
Show AnswerAnswer – A

59. Mohan bought two cows in ₹ 30,000. By selling one at a loss of 15% and other at a gain of 19%, he found that the selling price of both cows is the same. The cost price of both the cows are –
(A) ₹ 17,500, ₹ 12,500
(B) ₹ 20,000, ₹ 10,000

(C) ₹ 18,000, ₹ 12,000
(D) ₹ 15,000, ₹ 15,000
Show AnswerAnswer – A

60. The circumference of two circles are in the ratio 2:3, then the ratio of their areas
is –
(A) 2:3
(B) 4:9
(C) 9:4
(D) 3:2
Show AnswerAnswer – B

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