46. A small pouch containing silica gel, is often found in bottles of medicine in tablet or powder form because silica gel

1. 1. Kill Bacteria

   
   
   

   2. Kill germs and spores

   
   
   

   3. Absorb moisture

   
   
   

   4. Absorbs all gas present inside the bottle

   
   
   

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   N/A

   Correct Option: C

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47. Which of the following diseases of milching animals are infectious
    1. Foot and mouth disease
    2. Anthrax
    3. Black quarter
    4. Cowpox
    Select the correct answer using the code given below

1. 1. 1, 2 and 3

   
   
   

   2. 2, 3 and 4

   
   
   

   3. 1 and 4

   
   
   

   4. 1,2,3 and 4

   
   
   

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   N/A

   Correct Option: C

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48. What may cause a person's ear to get hurt during take-off of landing on an aircraft?

1. 1. Stretching of the tympanic

   
   
   

   2. Damage to the middle ear ossicles

   
   
   

   3. Increased impulses to the cochlea

   
   
   

   4. Vibration in the bony labyrinths of the inner ear

   
   
   

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   N/A

   Correct Option: A

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49. By weaving thread of physics, chemistry and biology into a rich tapestry this remarkable scientist provided a unifying molecular view of the world. He taught the wonderful properties of vitamin C, first as a cure of common cold and later as preventing agent against cancer. One of science's major figures of all time referred to above is

1. 1. GN Lewis

   
   
   

   2. Linus Carl Pauling

   
   
   

   3. Fritz Landon

   
   
   

   4. Walter Heitle

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

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50. 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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