Industrial development Bank was created in the year__________?
A) 1961
B) 1959
C) 1960
D) 1965
The light from the sun reaches on the earth after 8.3 minutes whereas the light reflected form the moon reaches us in __.
A) 1.3 second
B) 1.5 second
C) 2 second
D) 8.7 seconds
Explanation: The closest object to us is the Moon. Its average distance is about 240,000 miles, so light from the Moon takes (240,000 miles divided by 186.000) 1 and 1/3 seconds to get from the Moon to Earth.
Which pair of matter is biodegradable?
A) Meat and paper
B) Vegetables and computer
C) Plastic bottle and paper
D) Polythene bag and meat
Explanation: Biodegradable materials are substances that can be decomposed or broken down by microorganisms and other living organisms.
Non-Biodegradable materials are substances that cannot be decomposed or broken down by microorganisms and other living organisms rather leading to pollution.
The species which are very likely to become extinct in near future are called:
A) Extinct species
B) Threatened species
C) Endangered species
D) None of the above
Explanation: “Endangered” means a species is in danger of extinction throughout all or a significant portion of its range. “Threatened” means a species is likely to become endangered within the foreseeable future.
The inert gas used in advertising board is:
A) Helium
B) Neon
C) Argon
D) Xenon
Explanation: Neon is a noble gas. It is used in advertising sign lamps as it emits a reddish-orange glow when an electric current flows through it.
The main cause of skin cancer is:
A) Oxides of sulphur
B) Oxides of nitrogen
C) Chlorofluorocarbons
D) Carbon monoxide
Explanation: CFCs contribute to the loss of the defensive ozone sub caste, which blocks ultraviolet shafts from the sun. This exposes further people to UV radiation, which can beget skin cancer.
