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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: - In cell cycle during which phase chromosomes are arranged in equatorial plate
- Which one of the following acts as secondary pollutant?
- What will happen if the stretch receptors of the urinary bladder wall are totally removed?
- Monascus purpureus is a yeast used commercially in the production of :
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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
- In cell cycle during which phase chromosomes are arranged in equatorial plate
- Which one of the following acts as secondary pollutant?
- What will happen if the stretch receptors of the urinary bladder wall are totally removed?
- Monascus purpureus is a yeast used commercially in the production of :
- Cuscuta is an example of
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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