While building a new house, which of the following things should be taken care of to keep house clean and free of germs?
AThere should be proper ventilation, so that clean air can enter the house.
BThere should be good drainage system in bathrooms and kitchen.
CWindows and doors should have wire mesh to avoid flies and mosquitoes from entering into house.
DAll of these
Read the given statements and select the correct option.
Statement 1 :Mammals are warm-blooded animals.
Statement 2 :Mammals maintain constant body temperature despite changes in environmental temperature.
ABoth statements 1 and 2 are true and statement 2 is the correct explanation of statement1.
BBoth statements 1 and 2 are true but statement 2 is not the correct explanation of statement1.
CStatement 1 is true but statement 2 is false.
DBoth statements 1 and 2 are false.
Select an INCORRECT statement regarding photosynthesis.
AFood is prepared by green leaves of a plant.
BWater required for making food is absorbed by roots.
CFor photosynthesis, oxygen is taken in through stomata
DSunlight required for photosynthesis is absorbed by chlorophyll.
A.R. Rehman is conducting a musical night in an open auditorium in New York. If a person who is sitting in the auditorium at a distance of 250 m from the stage and the other who is watching the live program on a television set sitting in front of it in Hyderabad, then the person who hear him first is the
A Person sitting in auditorium
B Person sitting in Hyderabad
C Both will hear at the time
D Cannot be said.
A tank 2 m high is half filled with water and then filled to the top with oil of density 0.80 g/cc. What is the pressure at the bottom of the tank due to these liquids (Take g = 10 m s-2)?
A1.8 × 103 N m-2
B0.9 × 103 N m-2
C1.8 × 104 N m-2
D0.9 × 104 N m-2.
why is the answer "c"