IMPORTANT QUESTIONS

1. Q331 What happens to the food in small intestine?

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2. Q332 How does diaphragm help in inhalation?

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3. Q333 Blinking of eyes is a____

   • (1)reflex action
   • (2)Involuntary action
   • (3)voluntary action only
   • (4)can be a or b

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4. Q334 What are the two main types of reflexes? Give one example for each.

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5. Q335 Veins and arteries carry blood. Which of these carry blood away from the heart?

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6. Q336 Why is a basic substance used to treat a honey-bee sting?

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7. Q337 Name one electrovalent compounds in which one atom combines with one other atom

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8. Q338 What will be the current drawn by an electric bulb of 40 W when it is connected to a source of 220V?

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9. Q339 What happens after we throw away the waste ?

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10. Q340 Why are the traffic light signals (or danger signals) of red colour?

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