SCIENCE TEST
Ultimate Science Challenge
Test your knowledge with our engaging Science Quiz! This quiz consists of 36 questions covering various topics in science, ensuring a comprehensive assessment of your skills and understanding.
Prepare yourself for:
- Multiple-choice questions
- Wide-ranging science topics
- Instant feedback on your answers
A solid is dissolved in water. Which one of the following methods can be used to separate it?
(a) Filtration
(b) Decantation
(c) Distillation
(d) Evaporation
Petroleum contains
(a) petrol
(b) methanol
(c) oil
(d) water
Which of the following method is used when there is a difference in size and colour of desirable and undesirable constituents?
A) Handpicking
(b) Threshing
(c) Filtration
(d) Decantation
The components of a solution of sugar in water can be separated by
(a) filtration
(b) crystallisation
(c) decantation
(d) sedimentation
At water treatment plants, the river water is filtered by using
(a) filter paper
(b) porcelain filters
(c) cloth filters
(d) sand filters
The process of separating grains from the stalks is called
(a) handpicking
(b) threshing
(c) decantation
(d) evaporation
Iodine can be recovered from tincture of iodine by the process of
(a) filtration
(b) distillation
(c) evaporation
(d) decantation
A mesh which is used to separate things on the basis of their difference in size
(a) sieve
(b) thresher
(c) filter paper
(d) none of these
The process of conversion of water into vapour is called
(a) condensation
(b) evaporation
(c) sedimentation
(d) decantation
The process of separation of tea leaves by strainer is called
(a) filtration
(b) sedimentation
(c) evaporation
(d) condensation
Which of the following mixtures cannot be separated by using water as solvent followed by filtration and evaporation?
(a) Sand and sugar
(b) Salt and chalk powder
(c) Sand and sulphur
(d) Blue vitriol and sand
The property which forms the basis of sieving is
(a) difference in weight
(b) difference in colour
(c) difference in shape
(d) difference in size
When no more salt dissolves in water at a particular temperature, then the solution at that temperature is called
(a) unsaturated
(b) saturated
(c) supersaturated
(d) none of these
Which one of the following is the natural source of light?
(a) Electric bulb
(b) Sun
(c) Tube light
(d) Moon
The object which does not have light of its own is
(a) shining mirror
(b) light bulb
(c) star
(d) lighted match box
Stars are
(a) luminous
(b) non-luminous
(c) both of these
(d) none of these
Which is an example of a magnetic substance?
(a) Iron
(b) Nickel
(c) Cobalt
(d) All of these
Magnets have a shape
(a) cylindrical
(b) ball ended
(c) horse shoe
(d) all of these
When a bar magnet is brought near iron dust, most of the dust sticks
(a) near the middle
(b) equally everywhere
(c) near two ends
(d) at the middle and ends
A freely suspended bar magnet rests in
North south directions
East west directions
Any direction
Upside down
Which one of the following statements is correct?
(a) Several kinds of plants and animals may share the same habitat.
(b) All the animals and plants in a habitat are adopted to it.
(c) Both the statements are correct.
(d) None of these is correct.
Animals and plants have certain features which make them to survive in a particular habitat. This is called
(a) adaptation
(b) speciation
(c) specialisation
(d) evolution
Which is a biotic component of environment?
(a) Plants
(b) Animals
(c) Microorganisms
(d) All of these
Which is not an abiotic component of environment?
(a) Soil
(b) Bacteria
(c) Water
(d) Air
Which of the following floats on water?
(a) Wax
(b) Marble
(c) Coin
(d) Eraser
Which of the following is a matter?
(a) Air
(b) Steel
(c) Water
(d) All of these
Which of the following is not a matter?
(a) Carbon
(b) Air
(c) Milk
(d) Sadness
Anything that has a mass and occupies space is called
(a) classification
(b) volume
(c) matter
(d) air
Mixtures need to be separated because
(a) to remove undesirable substances
(b) to get desirable substances
(c) to obtain highly pure substances
(d) all of the above
The method of separation used to separate stones from rice is
(a) handpicking
(b) threshing
(c) winnowing
(d) all of these
Butter is separated from milk by
(a) sedimentation
(b) filtration
(c) churning
(d) decantation
The separation of grains from husk is done by the process of
Handpick
Sieving
Winnow
Threshing
Filtration is a method to separate the components of a
(a) solution
(b) mixture of a liquid and an insoluble substance
(c) both (a) & (b)
(d) pure substance
Which is an example of an animal found in mountain region?
(a) Leopard
(b) Yak
(c) Mountain goat
(d) All of these
What are the characteristics of a desert plant?
(a) No leaves or very small leaves
(b) Spines
(c) Deep roots
(d) All of these
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