Question 1
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Question 2
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Question 3
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Question 4
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Question 5
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Question 6
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Question 8
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[blank_start]Deciduous[blank_end] forests have three to four layers of plant growth. Tall deciduous trees make up the [blank_start]top[blank_end] layer and create a moderately thick forest canopy. The second layer includes trees of shorter height . The third layer includes shrubs.Forest [blank_start]herbs[blank_end] make up the bottom-most fourth layer.
Answer
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Mangroves
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Coniferous
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Boreal
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Deciduous
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top
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bottom
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middle
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shrubs
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herbs
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trees
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short trees
Question 9
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Question 10
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If equal weights of all the three state of substance X are taken,which state will have the MAXIMUM number of molecules?
Question 11
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Question 12
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Question 13
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Our bodies are continuously growing. Small particles from the digested food are assembled to form large complex particles that make up the body material.
Answer
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Only immediately after eating food.
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Only immediately after digestion of food.
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Only immediately before digestion of food.
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It occurs all the time in our bodies.
Question 14
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Question 15
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Answer
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P to Q
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S to P
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R to S
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Q to S
Question 16
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Answer
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Problem 1
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Problem 2
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Problem 3
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Problem 4
Question 17
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Question 18
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Which of these characteristics is found in all insects?
Answer
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external skeleton
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jumping legs
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2 pairs of wings
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2 pairs of legs
Question 19
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Which of the following would be a chemical change?
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A metal on heating to a high temperature turns in to a liquid form.
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A metal gets a greenish coating on exposure to air.
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A metal is drawn in to wires.
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A metal is beaten in to sheets.
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A metal is slowly oxidised to produce rust.
Question 20
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Question 21
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Question 22
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Question 23
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Diseases are caused by microorganisms. [blank_start]Malaria[blank_end] is caused by an organism that is transferred by mosquitoes.Measles are a contagious disease caused by a [blank_start]virus[blank_end]. Common cold cannot be spread by flies.
Answer
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Malaria
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Cholera
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Chickenpox
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Polio
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bacteria
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virus
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protozoa
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fungi
Question 24
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Which of these statements gives a correct reason as to why our body needs water?
Answer
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to provide us with energy
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to helps us to eliminate waste
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to regulate body temperature
Question 25
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Question 26
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Combustion of fuels produces carbon dioxide. If it is present in excess, it traps the heat produced by sun rays in the atmosphere and prevents it from being reflected back. This causes over-heating of Earth, eventually resulting in [blank_start]global warming[blank_end].
Question 27
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Sweating helps to expel water, small amount of urea and salts through the sweat glands present in the skin. These are excreted in the form of sweat. Sweating also helps in [blank_start]cooling[blank_end] our body when the temperature is high
Question 28
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Question 29
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Question 30
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