પરાગરજને અશ્મિ તરીકે સાચવવા નીચે પૈકી કયું મદદરૂપ સાબિત થયું છે ?

A સ્પોરોપોલેનીન
B પોલન કીટ
C તૈલ ઘટક
D સેલ્યુલોઝયુક્ત અંતઃચોલ

Verified Solution

Answer & Solution

Correct Answer

(A) સ્પોરોપોલેનીન

Step-by-step Solution

Detailed explanation

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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From NEET

કોલમ\(- I\)માં આપેલ ધાતુ આયનોને કોલમ\(-II\) માં આપેલ ધાતુ આયનોની સ્પીન ચુંબકીય ચાકમાત્રાઓ સાથે જોડી સાચો કોડ નક્કી કરો.

કૉલમ\(-I\)	કૉલમ\(-II\)
\((a)\;Co^{+3}\)	\((i)\;\sqrt{8}\; B.M.\)
\((b)\;Cr^{+3}\)	\((ii)\;\sqrt{35}\; B.M.\)
\((c)\;Fe^{+3}\)	\((iii)\;\sqrt{3}\; B.M.\)
\((d)\;Ni^{+2}\)	\((iv)\;\sqrt{24}\; B.M.\)
	\((v)\;\sqrt{15}\; B.M.\)

\((a)\quad (b)\quad (c)\quad (d)\)

NEET 2018 Medium

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