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Conversion of a raw egg to boiled egg is an example of irreversible change. Suggest few more examples of irreversible change. 

Important Questions on Changes Around Us

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Science>Chemistry>Changes Around Us>Reversible and Irreversible Changes
Which of the following is not required for germination?
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Science>Chemistry>Changes Around Us>Reversible and Irreversible Changes
Plants differ from animals in having
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Science>Chemistry>Changes Around Us>Reversible and Irreversible Changes
Conversion of batter to idli is an example of_____ change.
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Science>Chemistry>Changes Around Us>Reversible and Irreversible Changes
Which one of the following is not a reversible change?
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Science>Chemistry>Changes Around Us>Reversible and Irreversible Changes
What are the conditions for a seed to grow into a new plant?
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Science>Chemistry>Changes Around Us>Reversible and Irreversible Changes
Which of these is needed for germination from seeds?
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Science>Chemistry>Changes Around Us>Reversible and Irreversible Changes

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In the process of seed germination the development of root takes place before the shoot and leaves emerge. What might be the possible reason for this?

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Science>Chemistry>Changes Around Us>Reversible and Irreversible Changes
Complete the pair:
Primary shoot : plumule :: Primary root : _____
MEDIUM
Science>Chemistry>Changes Around Us>Reversible and Irreversible Changes
Crescograph was prepared by
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Science>Chemistry>Changes Around Us>Reversible and Irreversible Changes
The food prepared by a plant is used for the _____ of the plant.
MEDIUM
Science>Chemistry>Changes Around Us>Reversible and Irreversible Changes

Steps involved in the course of seed germination are

(a) Emergence of radicle

(b) Hypocotyl straightens

(c) Imbibition of water

(d) Formation of hypocotyl hook

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Science>Chemistry>Changes Around Us>Reversible and Irreversible Changes
Which of the following is not a reversible change?
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Science>Chemistry>Changes Around Us>Reversible and Irreversible Changes
Which of these is not necessary for a seed to start growing?
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Science>Chemistry>Changes Around Us>Reversible and Irreversible Changes
Which of the following is not needed for germination?
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Science>Chemistry>Changes Around Us>Reversible and Irreversible Changes
Cooking of food can be classified as a _____ change. (reversible change/ irreversible change)
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Science>Chemistry>Changes Around Us>Reversible and Irreversible Changes
Select the correct match w.r.t. seed germination
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Science>Chemistry>Changes Around Us>Reversible and Irreversible Changes
The process by which a seed grows into a seedling is called _____. (germination/ dispersal)
MEDIUM
Science>Chemistry>Changes Around Us>Reversible and Irreversible Changes
Formation of curd from milk is a _____ change. ( chemical, physical )
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Science>Chemistry>Changes Around Us>Reversible and Irreversible Changes
The method that renders the seed coat permeable to water so that embryo expansion is not physically retarded is
EASY
Science>Chemistry>Changes Around Us>Reversible and Irreversible Changes
The conditions required for seed germination are ______.