21. Function of vellamen is

1. 1. Respiration

   
   
   

   2. protection of tissue

   
   
   

   3. Absorption of moisture

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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22. Food prepared by plant is transported to different part of plant through

1. 1. Xylem

   
   
   

   2. Cortex

   
   
   

   3. Phloem

   
   
   

   4. Pith

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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23. Hydrophytes float on the water surface due to presence of

1. 1. Collenchyma

   
   
   

   2. Scelerenchyma

   
   
   

   3. Aerenchyma

   
   
   

   4. Mesenchyma

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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24. Whose living cell provides tensility and mechanical strength

1. 1. Collenchyma

   
   
   

   2. Sclerenchyma

   
   
   

   3. Phloem

   
   
   

   4. Sclereids

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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25. Procambium stituated just behind the apical meristem give rise to

1. 1. Primary vascular bundles and primary cambium

   
   
   

   2. Only vascular cambium

   
   
   

   3. Only corck cambium

   
   
   

   4. Only primary vascular bundles

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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