SCIENCE TEST

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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

36 Questions9 MinutesCreated by ExploringStar42

A solid is dissolved in water. Which one of the following methods can be used to separate it?

(a) Filtration

(b) Decantation

(d) Evaporation

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

(d) Decantation

The components of a solution of sugar in water can be separated by

(a) filtration

(b) crystallisation

(d) sedimentation

At water treatment plants, the river water is filtered by using

(a) filter paper

(b) porcelain filters

(d) sand filters

The process of separating grains from the stalks is called

(a) handpicking

(b) threshing

(d) evaporation

Iodine can be recovered from tincture of iodine by the process of

(a) filtration

(b) distillation

(d) decantation

A mesh which is used to separate things on the basis of their difference in size

(a) sieve

(b) thresher

(d) none of these

The process of conversion of water into vapour is called

(a) condensation

(b) evaporation

(d) decantation

The process of separation of tea leaves by strainer is called

(a) filtration

(b) sedimentation

(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

(d) Blue vitriol and sand

The property which forms the basis of sieving is

(a) difference in weight

(b) difference in colour

(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

(d) none of these

Which one of the following is the natural source of light?

(a) Electric bulb

(b) Sun

(d) Moon

The object which does not have light of its own is

(a) shining mirror

(b) light bulb

(d) lighted match box

When a bar magnet is brought near iron dust, most of the dust sticks

(a) near the middle

(b) equally everywhere

(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.

(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

(d) evolution

Which is a biotic component of environment?

(a) Plants

(b) Animals

(d) All of these

Anything that has a mass and occupies space is called

(a) classification

(b) volume

(d) air

Mixtures need to be separated because

(a) to remove undesirable substances

(b) to get desirable substances

(d) all of the above

The method of separation used to separate stones from rice is

(a) handpicking

(b) threshing

(d) all of these

Filtration is a method to separate the components of a

(a) solution

(b) mixture of a liquid and an insoluble substance

(d) pure substance

Which is an example of an animal found in mountain region?

(a) Leopard

(b) Yak

(d) All of these

What are the characteristics of a desert plant?

(a) No leaves or very small leaves

(b) Spines

(d) All of these

SCIENCE TEST

Ultimate Science Challenge

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