Hydathodes are
Correct answer: B. water secreting glands
- A. hormones secreting glands
- B. water secreting glands
- C. nectar secreting glands
- D. enzymes secreting glands
Explanation
Hydathodes are holes in leaf magrin through which water is secreted out during guttation.
This question appeared on the ETEA MDCAT 2011 paper, which you can sit online with every answer explained.
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About Plant Nutrition and Transport
Plants require macronutrients and micronutrients for growth, and mineral deficiencies produce recognizable symptoms. Transport involves water and minerals through xylem by transpiration pull, cohesion and adhesion, while phloem translocates sugars from sources to sinks. Root pressure and transpiration are distinct mechanisms.
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