Fall of immature leaf is due to the deficiency of

Fall Of Immature Leaf Is Due To The Deficiency Of Biology Question

Fall of immature leaf is due to the deficiency of


(a) sodium
(b) sulphur
(c) zinc
(d) phosphorus

Correct Answer:



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:

  1. Cytoplasm and nucleus are separated by a membrane which is
  2. The lower most layer of atmosphere in which man and other living organisms exist
  3. The placenta is attached to the developing seeds near the
  4. The breaking of haemoglobin into heme and globin takes place in
  5. What is the work of centrosome?

Topics: Transport and Nutrition in Plants (165)
Subject: Biology (4113)

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.