Question
Match List I with List II
cellspacing="0" cellpadding="0"> List I List II A. Sulphur I. Reddish colour on green leaves or stem appearing on older leaves B. Phosphorus II. Chlorosis starting from leaf tips appearing on older leaves C. Nitrogen III. Youngest leaf is brownish or dead (e.g. on beet) D. Boron IV. Mottled yellow-green leaves with yellowish veins appearing on younger leaves Choose the correct answer from the options given below:Solution
Sulphur deficiency leads to mottled yellow-green leaves with yellowish veins appearing on younger leaves, P deficiency cause reddish color on green leaves appearing on older leaves. Nitrogen deficiency leads to chlorosis starting from leaf tip appearing on older leaves
When acid reacts with metal carbonate, _______ is/are formed.
The mine explosions are mostly caused by the combination of air with which gas?
Itai-Itai disease is caused by exposure to which metal?
Which of the following pollutants is the major contributor to photochemical smog?
Pepperonil, ethyl acetate, butyraldehyde and nitrate are some common adulterants used in ____________
Which substance is also known as 'Oil of Vitriol'?
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Calcium cyanamide, used as a fertilizer, is commercially known as ______.
The combining power of an element is called its:
The first nuclear reactor made in India is named: