Subject :NSO Class : Class 4
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 3
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 7
Observe the given Venn
diagram carefully and identify the processes
represented by points 1, 2 and 3.
| 1 | 2 | 3 | |
| A | Burning of fossil fuel | Boiling potatoes | Baking a cake |
| B | Lighting a kerosene stove | Breaking of an egg shell | Photosynthesis |
| C | Burning of paper | Rusting of iron | Spoilage of food |
| D | Burning of LPG gas in kitchen | Crystallisation of copper sulphate | Browning of cut slices of apple |
how can a physican and chemical change occur in one change only ?
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Subject :NSO Class : Class 10
Identify the endocrine glands L, M and N in the given figure and select the option that correctly matches them with the function of hormone released by them.
| L | M | N | |
|---|---|---|---|
| A | Stimulates synthesis of melanin in skin |
Controls rate of metabolism |
Stimulates development of lymphocytes |
| B | Lowers blood calcium level |
Regulates circadian rhythm |
Controls rate of cellular oxidation |
| C | Controls rate of metabolism |
Helps in milk ejection from mammary glands |
Regulates water and mineral balance in body |
| D | Increases blood calcium level |
Stimulates development of secondary sexual characters in males and females |
Induces contractions of uterus during child birth |