41. Which Species of mollusca yields commercial pearl ?
(A) Pinectida
(B) helis
(C) Doris
(D) Octopics
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42. Which of the following branch of Botany deals with development of improved Plant Varieties ?
(A) Plant Biochemistry
(B) Plant Breeding
(C) Plant Embryology
(D) Plant Anatomy
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43. Which organism is commonly known as friends of farmers ?
(A) Honey bee
(B) Earthworm
(C) Cockroach
(D) Housefly
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44 Which of the following is a unique feature of flavr savr tomato ?
(A) Improved shelf life
(B) Resistance to insects
(C) Deep red colour
(D) Sweet in favour
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45 Histone proteins involved in DNA packaging have ___charge.
(A) Neutral
(B) Positive
(C) Negative
(D) Sometimes positive, sometimes negative
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46. Which of the following option is could for father of checetics ?
(A) Carolus Linnaeus
(B) G. J. Mendel
(C) F. H. C. Crick
(D) Birbal Sahni
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47. The central dogma explains the Transfer of genetic information from ________ to ________
(A) DNA to protein
(B) RNA to DNA
(E) DNA to RNA
(D) RNA to protein
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48. The World Environment Day is celebranction
(A) 5th June
(B) 5th May
(C) 5th April
(D) 5th July
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49. During transfer of every from level to the next every continuously
(A) Decreases
(B) Remains same
(C) Increases
(D) Fluctuates
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50. Which of the following is the first recombinant vaccine ?
(A) Hepatitis B
(B) AIDS
(C) Polio
(D) Small Pox
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51. If the co-ordinates of extremities of diarnetcr of a circle are (7, -1), (5, 3), then its centre and radius are –
(A) (1-2), 5
(B) (6, 1), √2
(C) (6, 1), √5
(D) (1, -2), √5
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52. PQRS is a Trepzium with PQ||RS.U and V are points on non-parallel sides PS and QR respectivly such that UV is parellel to PQ, then
(A) SU/RV=UP/VQ
(B) SU/VU=UP/RV
(C) SU.RV/UP.VQ
(D) SU.UP=RV.VQ
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53. In the given figure if ㄥAOC + ㄥBOD = 85°, then the value of ㄥCOD is –
(A) 115°
(B) 105°
(C) 95°
(D) 125°
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54. The selling price of an article is ₹ 1,840 and the discount given is 8%The marked price of the article is –
(A) ₹ 1,600
(B) ₹ 2,400
(C) ₹ 2,000
(D) ₹ 1,200
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55. The simple interest on ₹ 1,650 at the rate of 4% p.a. is less by ₹ 30 than the interest on ₹ 1,800 calculated at the same rate. The time period of money lent is –
(A) 5 Years
(B) 4 Years
(C) 3 Years
(D) 6 Years
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56. If 48% of x is equal to 80% of y, then x : y is –
(A) 3 : 5
(B) 5 : 2
(C) 5 : 4
(D) 5 : 3
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57. The ratio of ages of son and father is 1 : 13, After 10 Years the ratio becomes 1 : 3, then present age of son is –
(A) 6 Years
(B) 4 Years
(C) 2 Years
(D) 8 Years
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58. Factors of (1-3×2 + 3×4 – x6)
(A) (1 – x)4 (1 + x)2
(B) (1 – x)3 (1 + x)3
(C) (1 – x)2 (1 + x)4
(D) (x – 1)3 (x + 1)3
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59. If the three sides of a right angled triangle are in arithmetic progression, then the sides are –
(A) 3, 4, 5
(B) 2, 3, 4
(C) 1, 2, 3
(D) 4, 5, 6
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60. Solution of the equation
(A) x =3
(B) x =2
(C) x = 1
(D) x = 4
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