List of top Science Questions

The alkene in the following is:
Useful substance in making water bacteria free is:
Which of the following metals produces hydrogen gas with cold water?
Which of the following metals produces hydrogen gas with cold water?
On which of the following does the resistance of an electrical conductor not depend?
In which combination the four resistors be connected to have minimum resultant resistance?
One needs the help of which of the following rules to know the direction of the magnetic field produced due to a current carrying conductor?
The alkene in the following is:
The sun appears whitish:
The unit of the power of the lens is:
To have a real and enlarged image of an object by a concave mirror, the position of the object should be:
When a beam of white light falls on the surface of a triangular prism of glass, it splits, after emerging out from the prism, into various colours with different deviations. Which colour has maximum deviation?
Measure of mass of water vapour for a given mass of dry air (in g/kg) is referred to as
Arrange the coal types from lowest to highest rank?
(A) Brown coal
(B) Sub bituminous
(C) Hard coal
(D) Soft coal
Choose the correct answer from the options given below:
Identify the correct classification of resources based on supply.
Which macro-nuutrient intake during training session is advisable to be concentrated upon with highest percentage in daily diet.
Which of the following statements are correct with regard to daily energy requirements?
A. Proteins are major source of energy
B. For every kg. of body weight 1.3 calories of energy is required every 24 hrs.
C. 25% of fat is required in the diet.
D. Approximately 60% of energy shall come from carbohydrate
E. The consumption of excess fat, prior to exercise increase the performance.
Choose the correct answer from the options given below :
Name the component which protect and regulates various body processes.
Glycogen-storage can be used by an individual during____.
Newton's first law of motion is also known as -
If a gear 'A' having 50 teeth and running at a speed of 200 rpm is driving to another gear 'B' having 125 rpm. How many number of teeth are there in gear 'B'?
A 6-hour storm with hourly intersities of 7, 18, 25, 12, 10 and 3mm per hour produced a run off 33 mm. Then the Φ index is
What is the effective atomic number (EAN) of [Cd(NH3)4]2+ ?
The correct statements are:
A. Energy payback time (EPBT) should be less than life of PV System
B. Life cycle conversion efficiency (LCCE) should be less than one
C. Energy production factor (CEPF) on life time basis should be more than one
D. Carbon emission is more if electrical power is generated by PV in comparision to the electrical power generated by conventional power plant
Choose the correct answer from the options given below:
The Gondwana coals formed during-