86. The oxygen in photosynthesis is released from

1. 1. CO₂

   
   
   

   2. H₂O

   
   
   

   3. Both CO₂ and H₂O

   
   
   

   4. Chlorophyll

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

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87. Nastic movements differ from tropic movement in being

1. 1. Movement of variation

   
   
   

   2. Non directional

   
   
   

   3. Directional

   
   
   

   4. Stimulated by chemicals

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

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88. Which one of the following gas comes out during photosynthesis?

1. 1. Oxygen

   
   
   

   2. Carbon dioxide

   
   
   

   3. Hydrogen

   
   
   

   4. Chlorine

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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89. The principle pathway of water translocation in angiosperms is

1. 1. Sieve cell

   
   
   

   2. Sieve tube elements

   
   
   

   3. Xylem vessel system

   
   
   

   4. Xylem and phloem

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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90. In Krebs cycle

1. 1. Pyruvic acid is converted into CO₂ and H₂O

   
   
   

   2. ADP is converted CO₂

   
   
   

   3. Glucosed is converted into CO₂

   
   
   

   4. Pyruvic acid is converted into ATP

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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