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Fall of immature leaf is due to the deficiency of
Options
(a) sodium
(b) sulphur
(c) zinc
(d) phosphorus
Correct Answer:
zinc
Explanation:
Zinc plays an important role in the synthesis of tryphtophan which is precursor of auxin.Its deficiency causes immature fall of young leaves due to formation of abscission layer which is prevented by auxin and zinc plays an important role in auxin formation.Sulphur is a component of protoplasm and favours root formation.Phosphorus is essential constituent of DNA,RNA and nucleoproteins.It is an energy carrier and forms a part of ATP,ADP and NADP.
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- HMP shunt is an alternative to
- Rhododendron is characteristic of vegetation of
- During anerobic respiration in plant, sucrose is converted into
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Topics: Transport and Nutrition in Plants
(163)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- To yield milk, cow is given
- HMP shunt is an alternative to
- Rhododendron is characteristic of vegetation of
- During anerobic respiration in plant, sucrose is converted into
- Tendrils exhibit
Topics: Transport and Nutrition in Plants (163)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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