21. Incomplete break down of sugar in anaerobic respiration from

1. 1. Fructose and water

   
   
   

   2. Glucose and CO₂

   
   
   

   3. Alcohol and CO₂

   
   
   

   4. Water and CO₂

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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22. IAA was first isolated from

1. 1. Corn germ oil

   
   
   

   2. Gibberella

   
   
   

   3. Human urine

   
   
   

   4. Rhizopus

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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23. 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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24. 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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25. 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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