Physics Plants are dried up in winter due to frost because Evaporation does not take place Photosynthesis does not take place at such low temperature There is mechanical loss of tissues and drought condition prevails Respiration does not take place at low temperature Evaporation does not take place Photosynthesis does not take place at such low temperature There is mechanical loss of tissues and drought condition prevails Respiration does not take place at low temperature ANSWER DOWNLOAD EXAMIANS APP
Physics When temperature difference between liquid and its surroundings is doubled, the rate of loss of heat will: Four times Three times Remain same Double Four times Three times Remain same Double ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to convert solar energy into electricity is Electrochemical cell Photovoltaic cell Daniell cell Galvanic cell Electrochemical cell Photovoltaic cell Daniell cell Galvanic cell ANSWER DOWNLOAD EXAMIANS APP
Physics A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because A parachute has a larger surface area and air resistance is more Stone is heavier than parachute None of these Special mechanisms are present in parachute A parachute has a larger surface area and air resistance is more Stone is heavier than parachute None of these Special mechanisms are present in parachute ANSWER DOWNLOAD EXAMIANS APP
Physics The function of ball bearings in a wheel is : To convert kinetic friction into rolling friction To convert static friction into kinetic friction Just for convenience To increase friction To convert kinetic friction into rolling friction To convert static friction into kinetic friction Just for convenience To increase friction ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer Is used to decrease or increase AC voltage Converts DC to AC Converts electrical energy into mechanical energy Converts AC voltage to D.C. voltage Is used to decrease or increase AC voltage Converts DC to AC Converts electrical energy into mechanical energy Converts AC voltage to D.C. voltage ANSWER DOWNLOAD EXAMIANS APP
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