A : Jar for nutrient solution culture contains a split cover with holes which hold a bent tube for aeration. R : Regular aeration of culture solution is necesaary for proper growth and activities of roots.A. If both Assertion & Reason are true and the reason is the correct explanation of the assertion.B. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion.C. If Assertion is true statement but Reason is false.D. If both Assertion and Reason are false statements.

A : Jar for nutrient solution culture contains a split cover with hole

1.	A : Jar for nutrient solution culture contains a split cover with holes which hold a bent tube for aeration. R : Regular aeration of culture solution is necesaary for proper growth and activities of roots.A. If both Assertion & Reason are true and the reason is the correct explanation of the assertion.B. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion.C. If Assertion is true statement but Reason is false.D. If both Assertion and Reason are false statements.
Answer» Correct Answer - A

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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 inA. old leavesB. young leavesC. young leaves folowed by mature leaveD. mature leaves followed by young leaves
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