Q.1 Which among the following are the sources of Mercury poisoning ? 1) Fluorescent lamps 2) Volcanoes 3) Waste disposal 4) Coal fired power plants Codes: A) 1 & 3 B) 1,3,4 C) 1,2,3,4 D) 3 & 4 Ans. C Q.2 In context with the Gasification, which among the following are correct ? 1) The power derived from gasification and combustion of the gas is considered to be a source of renewable energy 2) It converts organic or fossil fuel based carbonaceous materials into carbon monoxide, hydrogen and carbon dioxide. 3) Gasification of fossil fuels is currently widely used on industrial scales to generate electricity Codes: A) 1 & 3 B) 2 & 3 C) 1 & 2 D) 1,2,3 Ans. D Q.3 In context with the Cold chain , which among the following statements are correct ? 1) It is a temperature-controlled supply chain for the storage & distribution purpose 2) It ensures the shelf life of products such as fresh agricultural produce, seafood,etc. Codes: A) Only 1 B) Only 2 C) Both are correct D) Both are incorrect Ans. C Q.4 Which of the following are the limitations in the use of hydrogen as a fuel ? 1) High storage vessel pressure 2) Low energy content 3) Filling of hydrogen in vehicles 4) Transportation & Storage Codes: A) 1,3,4 B) 2,3,4 C) 1,2,3 D) 1,2,3,4 Ans. D Q.5 In context with the Nanomites, which among the following are correct ? 1) These are the nanosized particles for killing infected cells in body 2) These are biological as well as non-biological nano particles Codes: A) Only 1 B) Only 2 C) Both are correct D) Both are incorrect Ans. A These are non-biological nano particles Q.6 In context with the Bt Cotton, consider the following statements : 1) It is the only genetically modified crop approved in India 2) It is resistant for the growth of the pests Codes: A) Only 1 B) Only 2 C) Both are correct D) Both are incorrect Ans. A Conditions are positive for the growth of the pests Q. 7 Rainbow colours in the compact disk are due to which of the following factors ? 1) Diffraction 2) Interference 3) Reflection Codes: A) 1 & 3 B) 2 & 3 C) 1 & 2 D) 1,2,3 Ans. D Q.8 Statements: 1) Arab league, EU, Vatican city & Red Cross have the observer status in the United nation 2) All the observers do not have voting rights 3) All the observers do not have a speaking rights in the UN General Assembly Codes: A) 1 & 3 B) 2 & 3 C) 1 & 2 D) 1,2,3 Ans. C EU have a speaking rights in the UN General Assembly Q.9 Statements: 1) Trans fats are considered beneficial for the human body 2) Double bond chemistry of the fat molecules in Trans fats causes a Plaque formation 3) Omega-3 fatty acids are considered healthier than the saturated fatty acids Codes : A) 1 & 3 B) 2 & 3 C) 1 & 2 D) 1,2,3 Ans. B Trans fats are considered dangerous for the human body