Please select a subject first
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Distinguish between the following.
Periodic change and non-periodic change
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Distinguish between the following.
Natural change and man-made change
Concept: undefined >> undefined
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Under which different types can the following changes be classified?
Conversion of milk into yoghurt.
Concept: undefined >> undefined
Under which different types can the following changes be classified?
Bursting of a cracker.
Concept: undefined >> undefined
Under which different types can the following changes be classified?
Occurrence of an earthquake.
Concept: undefined >> undefined
Under which different types can the following changes be classified?
Revolution of the earth around the sun.
Concept: undefined >> undefined
Under which different types can the following changes be classified?
Stretching of a spring.
Concept: undefined >> undefined
Give reason.
While purchasing canned food, its expiry date should be checked.
Concept: undefined >> undefined
Give reason.
A dry handkerchief gets wet at once on dipping in water, but it takes longer for a wet handkerchief to dry.
Concept: undefined >> undefined
Select the correct option:
The substance which form a strong temporary magnet is:
Concept: undefined >> undefined
Complete the chart below.
| S. No. | Foodstuff | Adulterant |
| 1. | ______ | Metanyl yellow |
| 2. | Black pepper | ______ |
| 3. | ______ | Iron filings |
| 4. | Honey | ______ |
Concept: undefined >> undefined
Give scientific reasons.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
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Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
Concept: undefined >> undefined
Give examples of 3 plants that have:
leaves which close at night
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Give examples of 3 plants that have:
single-seeded fruits
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What are the similarities and differences between:
leaves of banana and mango
Concept: undefined >> undefined
Certain property is mentioned below. Find a leaf corresponding to the property and describe that plant.
Leaves with smooth surface
Concept: undefined >> undefined
Certain property is mentioned below. Find a leaf corresponding to the property and describe those plants.
Leaves with rough surface
Concept: undefined >> undefined
Certain property is mentioned below. Find a leaf corresponding to the property and describe that plant.
Fleshy leaf
Concept: undefined >> undefined
Certain properties are mentioned below. Find a leaf corresponding to the property and describe those plants.
Spines on leaf
Concept: undefined >> undefined
