HSSC Senior Scientific Assistant (19-11-2023)Total Questions: 10081. Properties of the Distribution of Sampling Means include which of the following?(a) Normal (Bell-Shaped) Distribution for Reasonably Large Sample Sizes(b) Mean Equal to the Population Mean(c) Spread of the Distribution Related to Population Variation and Sample Size(d) All of the above(e) UnattemptedCorrect Answer: (d) All of the above82. The Reserve Bank of India was set up on the basis of the recommendations of the:(a) Hilton-Young Commission(b) Hunter Commission(c) Radhakrishnan Commission(d) Narasimham Committee(e) UnattemptedCorrect Answer: (a) Hilton-Young Commission83. The __________ is a statistical test that is used to compare proportions between two different groups.(a) t-test(b) p-test(c) Chi-square test(d) None of these(e) UnattemptedCorrect Answer: (c) Chi-square test84. __________ is the method of choice for the separation of volatile substances or the volatile derivatives of certain non-volatile substances.(a) Paper chromatography(b) Thin layer chromatography(c) Gas liquid chromatography(d) None of the above(e) UnattemptedCorrect Answer: (c) Gas liquid chromatography85. The Breeding Centre situated in Morni, Panchkula district is a purpose-built centre for the breeding of:(a) blue peafowls(b) chinkara(c) pheasants(d) Indian vulture(e) UnattemptedCorrect Answer: (c) pheasants86. The value of 2.3 × 2.3 - 0.3 × 0.3 ÷ 2.3 × 2.3 - 2 × 2.3 × 0.3 + 0.3 × 0.3 is:(a) 0.0125(b) 0.25(c) 1.3(d) 0.5(e) UnattemptedCorrect Answer: (c) 1.387. __________ is the probability of disease, given a positive test result.(a) Negative predictive value(b) Positive predictive value(c) Both positive and negative values(d) None of the above(e) UnattemptedCorrect Answer: (b) Positive predictive value88. Haryana State Industrial and Infrastructural Development Corporation had developed a Textile Park at:(a) Barhi(b) Manesar(c) Rai(d) Saha(e) UnattemptedCorrect Answer: (a) Barhi89. In spectroscopy, phototubes are having a wavelength range of __________ nm.(a) 150-1000(b) 150-2000(c) 150-3000(d) None of these(e) UnattemptedCorrect Answer: (a) 150-100090. The total number of medals won by India in 2020 Tokyo Olympics was:(a) 4(b) 7(c) 9(d) 2(e) UnattemptedCorrect Answer: (b) 7Submit Quiz« Previous12345678910Next »