Everyday Science MCQS
The gas used for artificial ripening green fruits?
Acetylene
Butane
Ethane
Methane
Which mineral is the core of aluminium?
Haematite
Mangeltite
Bauxite
Siderite
Which one among the following is not a source of renewable energy?
Wind energy
Solar energy
Fuel cell
Hydroelectricity
Temperature generally decrease towards the poles because:
Clod surfaces do not absorb solar energy as readily as warm surfaces
Air movement is generally towards the equator
Cold polar air masses prevent surface heating of the land
Progressively lesser solar e4nerfgy per unit area falls on the earth’s surface as we move to polar regions
Enzymes are sensitive to
Heat
Poisons
pH
All three
Two vessels contain milk and water mixed respectively in the ratio 3:1 and 5:3. Find the ratio in which these two are to be mixed to get an new mixture in which the ratio of milk to water is 2:1.
0.1673611111
0.1256944444
0.04305555556
0.08402777778
An important ancillary product used in the petrochemicals industry is —
Petrol
Mobil
Naphtha
Kerosene
What is the atomic number for hydrogen?
36
24
12
1
A men takes loans of Rs. 1000 at the beginning of each year at 5% per annum compound interest. Find the accumulated amount to the amount rupee , he will thus have at the end of 3 years
Rs. 3154.63
Rs. 3310.13
Rs. 3714.63
Rs.3745.73
The minimum of a plane mirror to see the full image of a person of a is equal to-
The height of the person
Half the height of person
One-fourth the height of the person
Double the height of the person
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