51. Consider the following statements
    1. Caffine, a constituent of tea and coffee is a diuretic
    2. Citric acid is used in soft drink
    3. Ascorbic acid is essential for formation of bones and teeth
    4. Citric acid is good substitution of ascorbic acid in our nutrition
    Which of the statement given above are correct?

1. 1. 1 and 2

   
   
   

   2. 1,2 and 3 only

   
   
   

   3. 3 and 4

   
   
   

   4. 1,2,3 and 4

   
   
   

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   N/A

   Correct Option: B

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52. Regular intake of fresh fruits and vegetables is recommended in the diet since they are a good source of antioxidants help a person to maintain health and promote longevity?

1. 1. They activate the enzymes necessary for vitamin synthesis in the body and help prevent vitamin deficiency.

   
   
   

   2. They prevent excessive oxidation of carbohydrates, fats and proteins in the body and help avoid unnecessary wastage of energy

   
   
   

   3. They neutralize the free radicals produced in the body during metabolism

   
   
   

   4. They activate certain genes in the cells of the body and help delay the ageing process

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

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53. With reference to human nutrition consider the following statement
    1. Bananas are richer source of carbohydrate than apples
    2. Bananas contain some amount of protein also
    3. Spinach has no protein at all
    4. Potatoes are richer source of protein than peas
    Which of these statement are correct?

1. 1. 1 and 2

   
   
   

   2. 2, 3, and 4

   
   
   

   3. 1, 3, and 4

   
   
   

   4. 1, 2, 3, and 4

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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54. It begins as a single cell and grows into a merciless disease that claims millions of lives year after year. But scientists are steadily unlocking its mysteries and the fight against it, may now have reached a dramatic turning point. Now discoveries promise better theropies and hope in the war against. The disease referred to in the above quotation is

1. 1. Cancer

   
   
   

   2. AIDS

   
   
   

   3. Tuberculosis

   
   
   

   4. Alzheimer's disease

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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55. Due contraction of eyeball, a long sighted eye see only

1. 1. Farther objects which is corrected by using convey lens

   
   
   

   2. Farther objects which is corrected by using concave lens

   
   
   

   3. Nearer objects which is corrected by using convey lens

   
   
   

   4. Nearer objects which is corrected by using concave lens

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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