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WorksheetsScience Quiz
Total questions: 60
Worksheet time: 30mins
When plants of the same kind are cultivated at one place on a large scale is called:
Cultivation
Agriculture
Farming
Crop
Kharif Crops are
Maize, soyabean, groundnut and wheat
Maize, soyabean, groundnut and gram
Maize, soyabean, groundnut and cotton
Maize, soyabean, groundnut and mustard
Tilling is defined as
The process of loosening and turning of the soil
Adding manure and fertilizers
Protecting from weeds
None of the above
Organic substance obtained from the decomposition of plant or animal wastes is/are known as:
Fertilizer
Manure
Both of the above options
None of the above
Which of the below is not correct?
Advantages of manure:
It enhances the water holding capacity of the soil
It makes the soil porous due to which exchange of gases becomes easy
It increases the number of friendly microbes
It protects the crop from both frost and hot air currents
Which is not a traditional method of irrigation?
Moat (pulley system)
Drip system
Chain pump
Dhekli
Polio is caused by:
Bacteria
Protozoa
Fungi
Virus
Who is the discoverer of vaccine for small pox?
Edward Jenner
Louis Pasteur
Alexander Fleming
None of these
Which of the given below is a communicable disease?
Cholera
Common cold
Chicken pox
All of these
Female Aedes mosquito acts as a carrier of which virus?
Dengue
Malaria
Corona
None of these
Anthrax is a dangerous human and cattle disease caused by :
Protozoa
Fungi
Virus
Bacterium
T he process of conversion of sugar into alcohol is called:
Infection
Fixation
Moulding
Fermentation
Which is used for making parachutes and ropes for rock climbing?
Rayon
Nylon
Proton
Cotton
PET is a very familiar form of polyester. What is the full form of 'T' in PET?
Terephthalate
Tamarind
Terylene
None of these
5 R principle consists of :
Reduce, Rearrange, Reuse, Recycle and Refuse
Return, Recap, Reboot, Reuse and Refuse
Refuse, Reduce, Resize ,Regenerate and Routine
Reduce, Reuse,Recycle, Recover and Refuse
The property of metals by which they can be beaten into sheets :
Ductibility
Sustainability
Fertility
Malleability
Which is a very reactive non-metal?
Phosphorus
Sodium
Potasium
Non of these
Which is known as 'black gold'?
Coal
Carbon Dioxide
Natural gas
Petroleum
Which organisation advises people how to save petrol/diesel while driving in India?
PCRA
NHAI
AAI
DRDO
When did Nylon first produce?
1954
1945
1931
1914
When magnesium burns to form magnesium oxide and produces --- and ----.
heat and sound
sound and energy
heat and light
light and sound
Combustion is defined as
A chemical process in which substances reacts with oxygen to give off heat
A physical process in which substances reacts with oxygen to give off heat
A chemical process in which substances reacts with carbon dioxide to give off heat
A physical process in which substances reacts with carbon dioxide to give off heat
Ignition temperature is defined as
Temperature is not required to ignite
The highest temperature at which a substance catches fire
The lowest temperature at which a substance catches fire
None of these
More than five thousand years ago small pieces of pinewood dipped in sulphur were used as matches in which country?
India
China
Egypt
Rome
Which substances are used for making match stick?
A mixture of antimony trisulphide, potassium chlorate and white phosphorus with some glue and starch
A mixture of antimony bisulphate, magnesium chlorate and white phosphorus with some glue and starch
A mixture of antimony trisulphide, magnesium chlorate and white phosphorus with some glue and starch
A mixture of antimony bisulphate, potassium chlorate and white phosphorus with some glue and starch
The rubbing surface of match box has powdered glass and a little ........
Red Sulphate
Brown Phosphorus
Red Phosphorus
Red Magnesium
For fires involving electrical equipment and inflammable materials like petrol, which is the best extinguisher?
O2
H2O
CO2
NaCH4
The type of combustion in which a material suddenly bursts into flames, without the application of any apparent cause is called
Rapid Combustion
Spontaneous Combustion
Explosion
Fast Combustion
The calorific value of a fuel is expressed in a unit called
kJ per kg
kG per kj
kI per kl
lG per kg
Among wood, hydrogen, coal, petrol, CNG, cow dung cake, diesel and methane, which has the highest calorific value?
Petrol
Methane
CNG
Hydrogen
Which is believed to cause global warming?
Hydrogen Peroxide
Carbon Dioxide
Carbon Monoxide
Methane
Which causes acid rain?
Sulphur Oxide and Nitrogen
Sodium Oxide and Oxygen
Carbon dioxide and Nitrogen
Pottasium and Carbon
Three different of a flame are
Dark zone, luminous zone and non-luminous zone
White zone, grey zone and black zone
Orange zone, yellow zone and black zone
Outer zone, middle zone and inner zone
Incomplete combustion of a fuel produces which gas?
Carbon dioxide
Carbon monoxide
Nitrogen oxide
Helium
Fuel formed from the dead remains of living organisms
Petrol
Coal
Natural Gas
All of these
Which is incorrect among the options?
Coal is used in thermal power plants to produce electricity
Coal is used in various industries as a fuel
Coal was used in railway engines to produce steam to run the engine
Coal is used to constructing building
Carbonisation is a process of
Conversion of coal by burning of fire wood
forming of carbon by burning of candle
conversion of dead vegetation into coal
None of these
Products of coal are
Petrol, coke, coal gas
Coal tar, LPG, coke
CNG, LPG, Biogas
Coal tar, coke, coal gas
Which is used in manufacturer of steel and in the extraction of many metals?
Coal gas
Coal tar
Coke
Coca cola
Napthalene balls are obtained from
Caol tar
Coke
Coal gas
None of these
For the first time (1810), where the coal gas was used for lighting the street light?
London
America
India
China
The world's first oil well was drilled in
Manchester, UK
New York, USA
Pennsylvania, USA
Dublin, Ireland
Which is known as 'Black Gold'?
Coal tar
Coal gas
Coal
Petroleum
Petroleum products are
LPG, Petrol, Bitumen
Kerosene, Diesel
Lubricating oil, Paraffin wax
All of these
In India, natural gas has been found in
Tripura
Rajasthan
Maharashtra
All of the above
In India, which agency is responsible to advise people how to save petrol/diesel while driving?
CPRA
PCAR
PCRA
ACRP
Metals can be distinguished from non-metals on the basis of their
Chemical property
Physical property
Both of the above
None of the above
Malleability is defined as
The property of metals by which they can be beaten into thin sheets
The property of metal by which it can be drawn into wires
The property of metal producing ringing sounds
None of the above
Ductility is defined as
The property of metal by which it can be beaten into thin sheets
The property of metal by which it can be drawn into wires
The property of metal by producing ringing sounds
None of the above
Examples of non-metals are
Sulphur
Carbon
Phosphorus
All of the above
When a copper vessel is exposed to moist air for long, it acquires a dull ..... coating?
Blue
Grey
Black
Green
Mixture of copper hydroxide and copper carbonate produces which color?
White
Green
Blue
Black
Which of the following is the reaction when a copper vessel is exposed to moist air for long?
Cu + H2O + CO2 ........> Cu(OH2) + CuCO3
2Cu + H2O + CO2 + O2 ........> Cu(OH2)
2Cu + H2O + CO2 ........> Cu(OH2) + CuCO3
2Cu + H2O + CO2 + O2 ........> Cu(OH2) + CuCO3
To prevent the contact of phosphorus with atmospheric oxygen, it is stored in
Petrol
Kerosene
Water
Liquid paraffin
The smallest unit of an element is
Electron
Neutron
Proton
Atom
Substance which possess character of both metals and non-metals is called
Asteroid
Meteor
Metalloid
None of the above
Metal react with acids to produce which gas?
Oxygen
Nitrogen
Helium
Hydrogen
Which is a very familiar form of polyester?
PET
PAT
PATE
TAPE
Fibre was obtained by chemical treatment of wood pulp
Nylon
Rayon or artificial silk
Polyester
Terylene
Yeast is used in the production of
Sugar
Alcohol
Oxygen
Hydrochloride acid
