606. A man suffering from diabetes mellitus drinks water more frequently as he has to eliminate from the blood extra :

1. 1. glucose

   
   
   

   2. insulin

   
   
   

   3. glucagon

   
   
   

   4. salt

   
   
   

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1. View Hint View Answer Discuss in Forum

   The diabetic person has higher sugar in blood. Glucose is a form of sugar.

   Correct Option: A

   The diabetic person has higher sugar in blood. Glucose is a form of sugar.

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607. The only plant cells without nuclei among the following are :
     

1. 1. Cambium cells
      

   
   
   

   2. Root hairs
      

   
   
   

   3. Companion cells
      

   
   
   

   4. Tracheid cells

   
   
   

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1. View Hint View Answer Discuss in Forum

   Cambium cells have no nucleus.

   Correct Option: A

   Cambium cells have no nucleus.

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608. Environmental pollution can be controlled by:
     

1. 1. Checking atomic blasts
      

   
   
   

   2. Manufacturing electric vehicles
      

   
   
   

   3. Sewage treatment
      

   
   
   

   4. All of the above

   
   
   

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1. View Hint View Answer Discuss in Forum

   All of the above

   Correct Option: D

   All of the above

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609. Substances which are used to bring down the temperature in high fever condition are called :

1. 1. Antiseptics

   
   
   

   2. Pyretics

   
   
   

   3. Antipyretics

   
   
   

   4. Antibiotics

   
   
   

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1. View Hint View Answer Discuss in Forum

   Antipyretics are used to bring down the temperature in high fever condition.

   Correct Option: C

   Antipyretics are used to bring down the temperature in high fever condition.

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610. Flowerless plants are termed as:

1. 1. Phanerogams

   
   
   

   2. Bryophytes

   
   
   

   3. Thallophytes

   
   
   

   4. Cryptogams

   
   
   

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1. View Hint View Answer Discuss in Forum

   Flowerless plants are termed as Cryptogamous.

   Correct Option: D

   Flowerless plants are termed as Cryptogamous.

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