(D) The grey spot disease in oats is a well-known physiological disorder caused by the deficiency of Manganese $(Mn)$.Manganese is essential for the a

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(D) The grey spot disease in oats is a well-known physiological disorder caused by the deficiency of Manganese $(Mn)$.Manganese is essential for the activation of various enzymes involved in photosynthesis,respiration,and nitrogen metabolism.When $Mn$ levels are insufficient,the leaves develop characteristic greyish-brown spots,leading to reduced growth and yield.

Class 11 Biology Mineral Nutrition Deficiency Symptoms of Essential Elements

Easy

Grey spots on oats are caused by the deficiency of which element?

A
$Fe$
B
$Cu$
C
$Zn$
D
$Mn$

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Class 11

Biology Questions

Chapter

Mineral Nutrition

Subtopic

Deficiency Symptoms of Essential Elements

Which of the following is not caused by the deficiency of mineral nutrition?

MediumAIPMT 1997

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Match the mineral deficiency disorders given in Column $I$ with their symptoms given in Column $II$.
Column $I$ (Disorder) Column $II$ (Description)
$i$. Chlorosis $a$. Localised death of tissues in leaves
$ii$. Necrosis $b$. Premature fall of flowers,fruits and leaves
$iii$. Mottling $c$. Yellowing of leaves due to absence of chlorophyll
$iv$. Abscission $d$. Appearance of green and non-green patches on leaves

Choose the correct option from below.

Column $I$ (Disorder)	Column $II$ (Description)
$i$. Chlorosis	$a$. Localised death of tissues in leaves
$ii$. Necrosis	$b$. Premature fall of flowers,fruits and leaves
$iii$. Mottling	$c$. Yellowing of leaves due to absence of chlorophyll
$iv$. Abscission	$d$. Appearance of green and non-green patches on leaves

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