CBSE Class-6 Science: Questions 83 - 89 of 318

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Question number: 83

» Getting to Know Plants » Root » Functions of Roots

MCQ▾

Question

Roots help to:

Choices

Choice (4) Response
a.

Anchor the plant

b.

Absorbs water and minerals

c.

Holding the soil together

d. All a. , b. and c. are correct

Question number: 84

» Changes Around Us » Can All Changes Always Be Reversed? » Changes and Their Properties

True-False▾

Following Statement is true or false:

Change of a state is a reversible change:

Question number: 85

» Sorting Materials Into Groups » Objects Around Us » Different Ways to Group Objects

MCQ▾

Question

Group of plants is:

Choices

Choice (4) Response
a.

Earthworm, Fish, Algae, Cactus

b.

Hydrilla, Cactus, Algae, Rose

c.

Rose, Algae, Cactus, Grasshopper

d.

Tree, Cactus, Hydrilla, grasshopper

Question number: 86

» Separation of Substances » Methods of Separation » Threshing

MCQ▾

Question

Threshing is defined as:

Choices

Choice (4) Response
a.

Method of separating husk from grains

b.

Method to separate grains from stalks

c.

Method to separate undesirable substances

d. Question does not provide sufficient data or is vague

Question number: 87

» Separation of Substances » Methods of Separation » Combination of Methods of Separation

MCQ▾

Question

A mixture of sand and salt will be separated by:

Choices

Choice (4) Response
a.

Using two methods of separation filtration and condensation

b.

Using two methods of separation filtration and evaporation

c.

Using two methods of separation decantation and filtration

d.

Using two methods of separation sedimentation and decantation

Question number: 88

» Separation of Substances » Methods of Separation » Winnowing

MCQ▾

Question

Method used to separate lighter material from heavier one is called as:

Choices

Choice (4) Response
a.

Hand picking

b.

Threshing

c.

Winnowing

d.

Sieving

Question number: 89

» Separation of Substances » Methods of Separation » Evaporation

MCQ▾

Question

Evaporation is used to obtain a:

Choices

Choice (4) Response
a.

Common salt dissolved in water

b.

Solid substance that has dissolved in water

c.

Common salt from sea-water

d. All a. , b. and c. are correct

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