51. Oral pills of birth control prevent

1. 1. Ovulation

   
   
   

   2. Fertilization

   
   
   

   3. Pregnency

   
   
   

   4. Entery of sperm in uterus

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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52. Fusion of two gametes called

1. 1. Fertilization

   
   
   

   2. Development

   
   
   

   3. Regeneration

   
   
   

   4. Pollination

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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53. Digestion of starch in mouth takes place by

1. 1. Amylase

   
   
   

   2. Ptyline

   
   
   

   3. Pepsin

   
   
   

   4. Lipase

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

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54. In test tube baby

1. 1. Fertilization of ova and development takes place in test tube.

   
   
   

   2. Fertilization of ova takes place in test tube which development of embryo occur in uterus.

   
   
   

   3. Fertilization takes place in uterus while development takes place in test tube.

   
   
   

   4. Development of ova take place in test tube without fertilization.

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

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55. The smallest structural and functional unit of nervous system is

1. 1. Centron

   
   
   

   2. Dendron

   
   
   

   3. Axon

   
   
   

   4. Neuron

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: D

   N/A

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