Which statement is incorrect regarding soaps and detergents?
(a) Synthetic detergents are decomposed by microorganism.
(b) Synthetic detergents are more soluble in water than soaps.
(c) Synthetic detergents can be used for washing even in hard waters.
(d) Soaps are biodegradable.
One gas that has a heat trapping capacity exceeding any other gas listed below is:
(a) Nitrogen oxides
(b) Sulphur hexafluoride
(c) Trifluromethyl sulphur pentafluoride
Which of the following is a blue-white supergiant?
The ozone depleting substances from emission of ship exhausts are:
(a) Oxides of carbon, sulphur and nitrogen.
(b) Oxides of carbon and nitrogn
(c) Oxide of sulphur and nitrogen
(d) Oxide of carbon and sulphur
Sometimes computers and cash registers in a foodmart are connected to a UPS system. What does UPS mean?
(a) Uninterruptible Power Supply
(b) Under Paneling Storage
(c) Uniform Product Support
(d) United Parcel Service
1. Oxygen in respiration process
2. Watyer vapour in biological activities
3. Carbon dioxide in photosynthesis
Which of the above is/are correct?
(a) Only 1
(b) Both 1 and 3
(c) Both 2 and 3
(d) All of these
Consider the following statements:
1. Hepatitis B can cause liver cancer
2. Hepatitis B is several times more infectious than HIV/AIDS
Which of the statement(s) given above is/are correct?
(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2
The technique used to transmit audio signals in television broadcasts is:
(a) Time Division Multiplexing
(b) Pulse Code Modulation
(c) Frequency Modulation
(d) Amplitude Modulation
The 'Sultanipata' is a famous book which mentions cow as Annada (giver of grains), Vannada (giver of wealth), Sukhada (giver of happiness). The book is related to
The most significant aspect of Chola administration was the local administration of the village. The detailed information of the local self-government comes from
(a) Kuttam inscription
(b) Manigramam inscription
(c) Uttarmerur inscription
(d) Aihole inscription