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On the basis of symptoms of chlorosis in...

On the basis of symptoms of chlorosis in leaves, a student inferred that this was due to deficiency of nitrogen. This inference could be correct only if we assume that yellowing of leaves apeared first in

A

old leaves

B

young leaves

C

young leaves folowed by mature leave

D

mature leaves followed by young leaves

Text Solution

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The correct Answer is:
A
Chlorosis is an appearance of yellow colour due to non-synthesis or destruction of chlorophyll. It causes due to deficiency of Mg, N, Fe, Ca,S. if chlorosis occurs due to the deficiency of nitrogen then first older leaves become yellow.
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ARIHANT NEET-MINERAL NUTRITION-Chapter Exercises (C) Medical Entrances gallery (Collection of questions asked in NEET & Various Medical Entrance Exams)
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  3. Necrosis, or death of tissue particularly leaf tissue, is due to the d...

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  4. Manganese is required in

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  6. The enzyme responsible for the reduction of molecular nitrogen to the ...

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  7. Which one depicts nitrogen-fixation?

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  8. Plant having nitrogen fixing bacteria is

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  9. Bacterium, which reduces nitrates in soil to nitrogen is

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  10. Which one of the following plant functions as symbiotic nitrogen-fixin...

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  12. Nitrifying bacteria are able to

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  18. Hydroponics is a system of growing plants in

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