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WorksheetsScience week
Total questions: 30
Worksheet time: 5mins
Which of the following is a large blood vessel that carries blood away from the heart?
Vein
Artery
Capillary
Nerve
Which of the following is not a member of the vitamin B complex?
Thiamine
Riboflavin
Folic acid
Ascorbic acid
Chemistry is a branch of science which can be used for providing the services to mankind. Comment on the statement.
Strongly not
True
Bio-chemical compounds are used as....
Skin Treatments
Food preservatives
Cooking Oils
All of the above
Tell the composition of soap?
Sodium salt with fatty acids.
Potassium salt with fatty acids
Both a & b
Sodium and Potassium salt mixed with chemicals
The planet whose density is less than water and on keeping in the water it will start to float:
Mercury
Venus
Saturn
Mars
Who invented Transformer?
Faraday
Einstein
Parsons
C.R.T Wilson
How long does it take for the Earth
to go around the Sun?
One month
One year
One season
369-days
It is the father’s gene that
decides whether the baby is a boy or a girl.
True
False
Electrons are smaller than atoms.
True
False
What is the pH value of pure water?
6.5
6
7
9
Which of the following is the heaviest metal?
osmium
mercury
iron
nickel
Which of the following is not the components of photochemical smog that occurs in warm, dry and sunny climate?
NO2
O3
SO3
Unsaturated hydrocarbon
Fungi are plants that lack:
Oxygen
Carbon dioxide
Chlorophyll
None of these
What makes a reptile a reptile?
Cold blooded
Warm Blooded
Non-Hearing
Egg-laying
Which organ of the body produces the fluid known as bile?
Liver
Pancreas
Gall bladder
Kidney
Vaccination was started by.......
Jonas E. Salk
Paul Muller
Edward Jenner
Robert Frost
An electron possesses a negative charge of:
16 * 10-19 C
1.60 * 10-19 C
26 * 10-19 C
1.8 * 10-19 C
Which of the following is a conductor of electricity?
Silver
Copper
Aluminium
All of the above
Substances through which electricity cannot flow are called:
Conductors
Insulators
Wires
Battery
The hydrogen burning process is directly associated with:
Hydrolysis
Reduction
Oxidation
Hydrogenation
The rusting of the iron is the example of:
Oxidation
Reduction
Polymerisation
Galvanization
The radio isotope used to control the disease like blood cancer (Leukaemia) is:
Phosphorus-32
Cobalt-60
Iodine-131
Sodium-24
By the emission of which isomers are produced:
Alpha-ray
Beta-ray
Gama-ray
X-ray
Name the waste products secreted by Plants?
Carbon Dioxide
Oxygen
Water Vapour
All are correct.
What is the process of intake of nutrients by an organism as well as the utilisation of these nutrients by the organisms called?
Nutrition
Photosynthesis
Chloroplasts
Digestion
When an organism obtains its food from decaying organic matter of dead plants, dead animals and rotten bread, etc., it is called:
Parasitic nutrition
Autotrophic nutrition
Holozoic nutrition
Saprotrophic nutrition
What is used to make electromagnets?
Circular wire
Solenoid
Straight wire
Horse shoe magnet
The energy possessed by a body due to its position is called:
Kinetic Energy
Potential Energy
Mechanical Energy
Electrical Energy
When an object falls freely towards the ground, then its total energy:
Increases
Decreases
Remains constant
First increases then decreases
