CUET · CHEMISTRY · PYQ PAPER 2023

The carbohydrate metabolism and modulation of inflammatory reactions are controlled by which hormone ?

A Insulin
B Glucagon
C Glucocorticoids
D Thyroxine

Verified Solution

Answer & Solution

Correct Answer

(C) Glucocorticoids

Step-by-step Solution

Detailed explanation

Glucocorticoids

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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Answer the question on basis of passage given below :
A ketone \([A]\) which undergoes haloform reaction gives compound \([B]\) on reduction. Compound
\([B]\) on heating with sulphuric acid gives compound \([C]\) which forms monozonide \([D]\). The
compound \([D]\) on hydrolysis in the presence of zinc dust gives compound \([E]\).
Compound \([E]\) on oxidation gives \(C _2 H _4 O _2\) [F]
Compound \([ F ]\left( C _2 H _4 O _2\right)\) on treatment with chlorine, in the presence of small amount of red phosphorus, gives :

CUET 2023 Medium

Match List-I with List-II

List-I	List-II
(A) The vectors \(\lambda \hat{i}+\hat{j}+2 \hat{k}\) and \(\hat{i}+\lambda \hat{j}+\hat{k}\) are perpendicular if \(\lambda\) is equal to	(I) 1
(B) The vectors \(3 \hat{i}+6 \hat{j}-\hat{k}\) and \(2 \hat{i}+\lambda \hat{j}-2 \hat{k}\) are collinear if \(\lambda\) is equal to	(II) -1
(C) The number of vectors of unit-length which are perpendicular to both the vectors \(\vec{a}=\hat{i}+\hat{j}+2 \hat{k}\) and \(\vec{b}=3 \hat{i}-\hat{j}+5 \hat{k}\) is	(III) \(2 / 3\)
(D) If \(\|\vec{a}\|=1\) and \(\vec{a}+\vec{b}=\overrightarrow{0}\), then \(\|\vec{b}\|\) is equal to	(IV) 2

Choose the correct answer from the options given below :

CUET 2025 Medium

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List-I	List-ll
A. \(HCl + ZnCl _2\)	I. Reducing agent
B. \(LiAlH _4\)	II. Grignard reagent
C. PCC	III. Oxidising agent
D. Ethyl magnesium bromide	IV. Lucas reagent