Science GK MCQ for all exam
Q181. Bakelite is formed by the condensation of
(a) Urea and formaldehyde
(b) Phenol and formaldehyde
(c) Phenol and acetaldehyde
(d) Melamine and formaldehyde
Answer: (b) Phenol and formaldehyde
Q182. Which one of the following is an antibiotic drug
(a) Quinine
(b) Sulphaguanidine
(c) Chloramphenicol
(d) Aspirin
Answer: (a) Quinine
Q183. Soap removes grease by
(a) Coagulation
(b) Adsorption
(c) Emulsification
(d) Osmosis
Answer: (c) Emulsification
Q184. In human body, Vitamin A is stored in
(a) Liver
(b) Skin
(c) Lung
(d) Kidney
Answer: (a) Liver
Q185. Iodised salt contains
(a) Free iodine
(b) Calcium iodide
(c) Magnesium iodide
(d) Potassium iodide
Answer: (d) Potassium iodide
Q186. Who discovered bacteria
(a) Fleming
(b) Lamble
(c) Temin
(d) Leeuwenhoek
Answer: (d) Leeuwenhoek
Q187. Which of the following gases is used in cigarette lighters
(a) Butane
(b) Methane
(c) Propane
(d) Radon
Answer: (a) Butane
Q188. The first human heart transplant was performed in
(a) America
(b) England
(c) South Africa
(d) Sooth Korea
Answer: (c) South Africa
Q189. What is vermiculture
(a) The science of raising worms
(b) The science of studying animals
(c) The science of studying fishes
(d) The science of killing worms
Answer: (a) The science of raising worms
Q190. Energy is stored in liver and muscles in the form of
(a) Carbohydrate
(b) Fat
(c) Protein
(d) Glycogen
Answer: (d) Glycogen
Q191. Thalassemia is a hereditary disease which affects
(a) Blood
(b) Liver
(c) Lungs
(d) Heart
Answer: (a) Blood
Q192. El NINO phenomenon is associated with
(a) Cloud Bursting
(b) Earthquake
(c) Global Warming
(d) Acid Rain
Answer: (c) Global Warming
Q193. We observe objects around us due to
(a) Refraction of light
(b) Reflection of light
(c) Absorption of light
(d) All of the above
Answer: (b) Reflection of light
Q194. Soap and detergents help remove dirt from clothes. It does so because of having two parts
(a) Hydrophilic, neutrophilic
(b) Both the hydrophobic
(c) Hydrophilic and hydrophobic
(d) Neutrophilic, Hydrophobic
Answer: (c) Hydrophilic and hydrophobic
Q195. Fuse wire is made of
(a) Pure zinc
(b) Pure lead
(c) Alloy of lead and tin
(d) Alloy of lead and zinc
Answer: (c) Alloy of lead and tin