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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.
Related Questions: - Rough endoplasmic reticulum synthesises
- The figure depicts a diagrammatic view of the female reproductive system of humans
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- Which one of the following is used as vector for cloning genes into higher organisms?
Topics: Transport and Nutrition in Plants
(163)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Rough endoplasmic reticulum synthesises
- The figure depicts a diagrammatic view of the female reproductive system of humans
- Identify the cells whose secretion protects the lining of gastrointestinal
- Vegetative propagation in mint occurs by:
- Which one of the following is used as vector for cloning genes into higher organisms?
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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