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Cigarette smoke contains thousands of ch...

Cigarette smoke contains thousands of chemicals and even small quantities of ……..

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Arsenic
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A dietician has to develop a special diet us ing two foods P and Q. Each packet (containing 30g) of food P contains 12 units of calcium, 4 units of iron, 6 units of cholesterol and 6 units of vitamin A. Each packet of the same quantity of food Q contains 3 units of calcium, 20 units of iron, 4 units of cholesterol and 3 units of vitamin A. The diet requires atleast 240 units of calcium, atleast 460 units of iron and almost 300 units of cholesterol. How many packets of each food should be used to maximise the amount of vitamin A in the diet? What is the maximum amount of vitamin A in the diet?

(Diet problem): A dietician has to develop a special diet using two foods P and Q. Each packet (containing 30 g) of food P contains 12 units oif calcium, 4 units iof iron, 6 units of cholesteroa and 6 units of vitamiin A. Each packet of the same quantity of food Q contains 3 units of calcium, 20 units of iron, 4 units of cholesterol and 3 units of vitamin A. The diet requires atleast 240 units of calcium, atleast 460 units of iron and at most 300 units of cholestero. How many packets of each food should be used to minimise the maount of vitamin A in the diet? What is the minimum amount of vitamin A?

FULL MARKS-RESPIRATION-ADDITIONAL QUESTIONS SOLVED(Fill in the Blanks)
  1. The reversible reaction of formation of carbonic acid from carbon diox...

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  2. ……….centre present in pons Varoli region of the brain moderates the fu...

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  3. ……...is the hormone secreted by kidneys to stimulate bone marrow to pr...

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  4. The increase in the nitrogen content in blood heads to a condition cal...

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  5. The skin turns bluish black during ………... poisoning

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  6. Dust, drugs, pollen grains, fish, prawns are common……… for asthma.

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  7. Cigarette smoking reduces the respiratory surtace of the alveolar wall...

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  8. Cough, shortness of breath and sputum in the lungs are the symptoms of...

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  9. Tuberculosis is caused by the bacterium .

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  10. Collection of fluid between the lungs and chest wall is the main sympt...

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  11. Long exposure to dust gives rise to innflammation leading to………

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  12. …….and asbestosis are occupational respiratory diseases resulting from...

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  13. ---- causes narrowing of blood vessels resulting in ncrease in blood p...

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  14. Smoking lowers …….... Count in men.

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  15. ………. is the chemical present in the cigarette smoke that causes addict...

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  16. Chronic obstructive pulmonary disease is due to…….

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  17. A non-smoker who inhales cigarette smoke involves in …..... smoking

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  18. Emphysema, chronic bronchitis and asthma, COPD, cancer may be caused d...

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  19. Cigarette smoke contains thousands of chemicals and even small quantit...

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  20. The……...present in the cigarette smoke damages the gaseous exchange

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