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You Are On Multi Choice Question Bank SET 3163
158151. Distance travelled by a body in unit time is called:
(A): acceleration (B): velocity (C): speed (D): momentum
158152. Rear view mirrors used in vehicles are :
(A): convex mirror (B): concave mirror (C): plane mirror (D): none of these
158153. If current I passes through a resistance R for t seconds what is the heat produced?
(A): IRt (B): PRt (C): IR (D): I2R
158154. The force that keeps the planets in their orbits around sun is :
(A): electric force (B): magnetic force (C): nuclear force (D): gravitational force
158155. A Device that uses ultrasonic waves to measure distance, direction and speed of underwater objects is called :
(A): RADAR (B): SONAR (C): LASER (D): None of these
158156. Unit of pressure is :
(A): Pascal (B): Newton (C): Joule (D): Watt
158157. An astronaut goes from the earth to the moon. Which of the following is correct?
(A): his mass increases (B): his mass decreases (C): his weight decreases (D): no change in his weight
158158. When the driver of a moving bus suddenly applies brake, passengers fall forward due to:
(A): friction (B): inertia (C): impulse (D): momentum
158159. The material used in safety fuse in electrical circuits is :
(A): tungsten (B): copper (C): alloy of tin and lead (D): alloy of copper and tin
158160. The isotope of carbon which is known by the name bucky balls :
(A): Graphite (B): Diamond (C): Fullerene (D): Coal
158161. The number of molecules of H2O present in 36g of H2O is :
(A): 1 (B): 1 x (6.022 xlO23) (C): 2 (D): 2 x (6.022 x 1023)
158162. Which of the following elements posses least ionization energy?
(A): Li (B): Cs (C): Fr (D): F
158163. Cryolite is the mineral of which metal?
(A): A1 (B): Fe (C): Zn (D): Cu
158164. The enzyme which converts sucrose into glucose and fructose is :
(A): Zymase (B): Invertase (C): Diastase (D): Maltase
158165. The chemicals which are used to reduce the body temperature are called :
(A): Antipyretics (B): Analgesics (C): Antiseptics (D): Antibiotics
158166. The number of neutrons present in the element DF19 is :
(A): 9 (B): 10 (C): 11 (D): 19
158167. The IUPAC name of the compound (CH3)4C is
(A): Tetra methyl methane (B): Tetra methyl ethane (C): 2-Methyl propane (D): 2, 2-Dimethylpropane
158168. The catalyst used in contact process is :
(A): Powdered Fe (B): Mn02 (C): v2o5 (D): CuCl2
158169. Vitamin required for the formation of the pigment rhodopsin :
(A): D (B): A (C): E (D): K
158170. An animal that lacks gall bladder:
(A): Man (B): Tiger (C): Dog (D): Horse
158171. Fehling’s Solution is used to detect the presence of:
(A): Lipids (B): Starch (C): Glucose (D): Sucrose
158172. 20-25% of Carbon dioxide is transported from tissues to lungs as :
(A): Bicarbonates (B): Carbaminohaemoglobin (C): Dissolved in plasma (D): Carboxyhaemoglobin
158173. Which of the following organs contain voluntary muscles?
(A): Heart (B): Stomach (C): Liver (D): Forelimb
158174. The nitrogen base present only in RNA:
(A): Uracil (B): Thymine (C): Guanine (D): Cytosine
158175. The Theory of Natural Selection was proposed by :
(A): Lamarck (B): Wallace (C): Darwin (D): Cuvier
158176. The pH of saliva is
(A): 5.8 (B): 7.8 (C): 6.1 (D): 6.7
158177. Diabetes insipidus is caused due to the deficiency of the hormone :
(A): ADH (B): Insulin (C): Glucagon (D): Thyroxine
158178. A blood group that posses both antibodies 'a' and ‘b’ but no antigen is :
(A): A (B): O (C): AB (D): B
158179. Which phytohormone is known as ‘fruit ripening hormone’?
(A): Auxin (B): Gibberellins (C): Cytokinin. (D): Ethylene
158180. The mineral element involved in the opening and closing of stomata is :
(A): Potassium (B): Sodium (C): Manganese (D): Calcium
158181. Photosynthesis is maximum in :
(A): Blue light (B): Red light (C): Green light (D): Yellow light
158182. Which cell organelle is commonly knownas ‘power house’ of the cell?
(A): Endoplasmic reticulum (B): Chloroplast (C): Mitochondria (D): Golgi apparatus
158183. Pollination in paddy is by :
(A): Insects (B): Animals (C): Water (D): Wind
158184. In the food chain, producers form the :
(A): First trophic level (B): Second trophic levelSecond trophic level (C): Third trophic level (D): Fourth trophic level
158185. Father of green revolution in India is :
(A): Borlaug (B): M.S. Swaminathan (C): P. Maheswari* (D): R.H. Whittaker
158186. Which one of the following is not a green house gas?
(A): CO2 (B): CH4 (C): CFC4 (D): O2
158187. In plants, water rises upwards through :
(A): Cambium (B): PhloemPhloem (C): Xylem (D): Endodermis
158188. Stem cutting is employed in propagation of:
(A): Coconut (B): Tapioca (C): Mango (D): Cotton
158189. The train istime.
(A): on (B): inin (C): by (D): at
158190. They won't attend the meeting :
(A): did they? (B): will they? (C): won’t they? (D): does they?does they?
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