MEDIUM
Earn 100

Explain leaf necrosis?

Important Questions on Transportation of Food and Minerals in Plants

EASY
Deficiency symptoms of nitrogen and potassium are visible first in:
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A mineral deficiency is likely to affect older leaves more than younger leaves if
EASY
Which one of the following statements can best explain the term critical concentration of an essential element?
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Which of the following is not a deficiency symptom of minerals?
HARD
Chlorosis is produced in the leaves due to the deficiency of Fe, Mg, Mn, S or N of these essential elements, those that are exclusive constituents of chlorophyll molecule are
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Which elements when deficient can stop cell division?
MEDIUM
You observe that a plant's younger leaves, not the older ones, are yellowing. You recall that the cause of plant sickness can be diagnosed by which leaves are yellowing. What is the most likely cause of your plant's blight?
MEDIUM
What are the indications of mineral deficiencies in plants?
EASY
Read the given statements and select the correct option.
Statement 1 : Deficiency symptoms of N, K and Mg are first visible in the senescent leaves.
Statement 2 : Biomolecules containing these elements are broken down in the older leaves, making these elements available for mobilising to younger leaves.
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Which one of the following is a fat-soluble vitamin and its related deficiency disease?
MEDIUM
The yellowing of leaves called chlorosis is usually caused by the deficiency of:
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What are the indications for mineral deficiency in plants?
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Which of the following is not caused by the deficiency of minerals?
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Iron is not a constituent of chlorophyll but its deficiency causes Chlorosis. Give reason.
MEDIUM
Write the difference between Necrosis and Chlorosis.