31. Leaf fall can be prevented with the help of

1. 1. Abcisic acid

   
   
   

   2. Auxins

   
   
   

   3. Florigen

   
   
   

   4. Cyfokinins

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: D

   N/A

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32. Indol acetic acid is a/an

1. 1. Enzyme

   
   
   

   2. Fungicide

   
   
   

   3. Amino acid

   
   
   

   4. Auxin

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: D

   N/A

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33. In Plant water is transported through

1. 1. Campium

   
   
   

   2. Phloem

   
   
   

   3. Wylem

   
   
   

   4. Epidermis

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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34. Translocation of food occur through

1. 1. Sieve tube / phloen cell

   
   
   

   2. Tracheids

   
   
   

   3. Xylem vessels

   
   
   

   4. Letex duct

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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35. Gibberellin brings about

1. 1. Yellowing of leaves

   
   
   

   2. Promotion of rooting

   
   
   

   3. Elongation of genetically dwarf plants

   
   
   

   4. Dwarfing of genetically tall plants

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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