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Test Paper 12
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1) Citrus Canker, plant disease is caused by _____ micro organism?
a) Fungi
b) Bacteria
c) Virus
d) None
b) Bacteria
2) Mode of transmission of Citrus Canker is ?
a) Water
b) Air
c) Both a and b
d) None of the above
b) Air
3) ______ among the following is a plant disease?
a) Citrus Canker
b) Rust of Wheat
c) Okra
d) All of the above
d) All of the above
4) _____ among the following are preservatives of micro organisms?
a) Sodium Benzoate
b) Sodium Meta Bi-Sulphite
c) Both a and b
d) None of the above
c) Both a and b
5) Squashes are preserved by ____?
a) Salts
b) Vinegar
c) Sugars
d) None of the above
c) Sugars
6) Pasteurization is discovered by ____?
a) Louis Pasteur
b) Williamson
c) Robert Koch
d) None of the above mentioned
a) Louis Pasteur
7) ______ among the following are natural fibres?
a) Cotton
b) Wool
c) Silk
d) All of the above
d) All of the above
8) Cellulose is made up of a large number of ______ units?
a) Glucose
b) Polymer
c) Both a and b
d) None of the mentioned
a) Glucose
9) _____ among the following is a man made fibre?
a) Nylon
b) Wool
c) Silk
d) None
a) Nylon
10) ______ among the following is a synthetic fibre?
a) Wool
b) Silk
c) Polyester
d) None
c) Polyester
11) Plastics which are deformed easily on heating are called?
a) Thermosetting Plastics
b) Hard Plastics
c) Thermo Plastics
d) All of the above
c) Thermo Plastics
12) _____ are examples of Thermoplastics?
a) Polythene
b) PVC
c) Both a and b
d) None of the above mentioned
c) Both a and b
13) Bakelite is a ______ plastic?
a) Thermosetting Plastic
b) Thermoplastic
c) Both a ad b
d) None
a) Thermosetting Plastic
14) ______ are the examples of Thermosetting Plastics?
a) Bakelite
b) Melamine
c) Both a and b
d) None of the mentioned
c) Both a and b
15) Polyester is actually made up of repeating units of ?
a) Esters
b) Ethers
c) Polythene
d) All of the above
a) Esters
16) A material which gets decomposed through natural process is called as?
a) Biodegradable
b) Non-Biodegradable
c) Sustainable
d) Non-Sustainable
a) Biodegradable
17) _____ is a biodegradable substance?
a) Cotton Cloth
b) Paper
c) Wood
d) All of the above
d) All of the above
18) _____ is a non biodegradable substance?
a) Tin
b) Aluminum
c) Plastic
d) All of the above
d) All of the above
19) The property of metals by which they can be beaten into thin sheets is called?
a) Metalizing
b) Malleability
c) Both a and b
d) None of the above
b) Malleability
20) The property of metal by which it can be drawn into wires is called____?
a) Metalizing
b) Malleability
c) Ductility
d) All of the above
c) Ductility
21) Metallic oxides are ________ in nature?
a) Acidic
b) Basic
c) Both a and b
d) None
b) Basic
22) Non metallic oxides are ______ in nature?
a) Acidic
b) Basic
c) Both a and b
d) None
a) Acidic
23) Non metals do not react with?
a) Oxides
b) Water
c) Dioxides
d) None
b) Water
24) The resources which are present in unlimited quantity in nature are called as?
a) Inexhaustible resources
b) Exhaustible resources
c) Unlimited resources
d) Limited resources
a) Inexhaustible resources
25) _____ are formed from dead remains of living organisms?
a) Coal
b) Petroleum
c) Natural Gas
d) All of the above
d) All of the above
26) Resources which are limited in nature are called as?
a) Exhaustible resources
b) Inexhaustible resources
c) Unlimited Resources
d) None
a) Exhaustible resources
27) _____ among the following are fossils fuels?
a) Coal
b) Petroleum
c) Natural Gas
d) All of the above
d) All of the above
28) The slow process of conversion of dead vegetation into coal is called as?
a) Hydration
b) Carbonization
c) Oxidation
d) Coal Formation
b) Carbonization
29) Coal is a _____?
a) Fossil Fuel
b) Inexhaustible Resource
c) Both a and b
d) None of the above mentioned
c) Both a and b
30) When heated in air, coal burns and produces _____?
a) Carbon dioxide Gas
b) Carbon Monoxide
c) Both a and b
d) None
a) Carbon dioxide Gas
31) ______ is a by-product of Coal?
a) Coke
b) Plastic
c) Carbon
d) None
a) Coke
32) Petrol and diesel are obtained from a natural resource called?
a) Coal
b) Coke
c) Coal Tar
d) Petroleum
d) Petroleum
33) CNG stands for?
a) Combined Natural Gas
b) Compressed Natural Gas
c) Carbonated Natural Gas
d) None of the mentioned
b) Compressed Natural Gas
34) CNG is used for ____?
a) Burning
b) Electrification
c) Power Generation
d) All of the above
c) Power Generation
35) Paraffin Wax is used in?
a) Ointments
b) Candles
c) Vaseline
d) All of the above
d) All of the above
36) Bitumen is used in _____?
a) Paints
b) Road Surfacing
c) Both a and b
d) None
c) Both a and b
37) ______ is used in Jet Aircrafts?
a) Petrol
b) Diesel
c) Kerosene
d) All of the above
c) Kerosene (unleaded kerosene (Jet A-1) or naphtha-kerosene blend (Jet B))
38) Petroleum is also called as?
a) White Gold
b) Black Gold
c) Red Gold
d) None
b) Black Gold
39) _____ among the following are the constituents of Petroleum?
a) LPG
b) Petrol
c) Lubricating Oil
d) All of the above
d) All of the above
40) Many useful substances are obtained from petroleum and natural gas are called as?
a) Petro-Chemicals
b) Petro-Byproducts
c) Both a and b
d) None
a) Petro-Chemicals
41) A chemical process in which substance reacts with oxygen to give heat is known as?
a) Reduction
b) Oxidation
c) Combustion
d) None
c) Combustion
42) The lowest temperature at which a substance catches fire is called as?
a) Ignition Temperature
b) Reduction Temperature
c) Both a and b
d) None
a) Ignition Temperature
43) The substances which have very low ignition temperature are called as?
a) Flammable substances
b) Inflammable substances
c) Ignited substances
d) None of the mentioned
b) Inflammable substances
44) LPG stands for?
a) Liquified Petroleum Gas
b) Liquid Petroleum Gas
c) Both a and b
d) None of the above
a) Liquified Petroleum Gas
45) Gas burns rapidly and produces heat and light. This process is called as?
a) Rapid Combustion
b) Combustion
c) Reduction
d) Oxidation
a) Rapid Combustion
46) A material suddenly burst into flames without any apparent cause is called as _____?
a) Rapid combustion
b) Spontaneous Combustion
c) High pressure Combustion
d) None
b) Spontaneous Combustion
47) Pyrometer is used to measure heat of furnace upto temperature ?
a) 300 degree Celsius
b) 3000 degree Celsius
c) 30000 degree Celsius
d) None
a) 3000 degree Celsius
48) Petroleum is a mixture of a large no of different ___________?
a) Hydro Carbons
b) Alkanes
c) Hydrogen molecules
d) All of the above
b) Hydro Carbons
49) _____ among the following are examples of fuels?
a) Wood
b) Charcoal
c) Petrol
d) All of the above
d) All of the above
50) Biodiesel is made from ?
a) Mustard Oil
b) Soybean oil
c) Both a and b
d) Petrodiesel
d) Soybean oil
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