CUET · BIOLOGY · PYQ PAPER 2025

The formation of pomato is an example of:

A Micropropagation
B Totipotency
C Tissue culture
D Somatic hybridization

Verified Solution

Answer & Solution

Correct Answer

(D) Somatic hybridization

Step-by-step Solution

Detailed explanation

Somatic hybridization

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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Fructose is a ketohexose. The keto group is positioned at which carbon:

CUET 2025 Hard

Match List-I with List-II

List-I (Inverse Trigonometric Function)	List-II (Principal Value)
(A) \(\sin ^{-1}\left(-\frac{1}{2}\right)\)	(I) \(\pi / 6\)
(B) \(\cos ^{-1}\left(-\frac{1}{2}\right)\)	(II) \(-\pi / 6\)
(C) \(\tan ^{-1}(-\sqrt{3})\)	(III) \(2 \pi / 3\)
(D) \(\cot ^{-1}(\sqrt{3})\)	(IV) \(-\pi / 3\)

Choose the correct answer from the options given below :

CUET 2025 Medium

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List-l (Population interactions)	List-ll (Species A / Species B)
(A) Amensalism	(I) - / -
(B) Commensalism	(II) + / -
(C) Predation	(III) + / 0
(D) Competition	(IV) - / 0

List I	List ll
(A) hPL	(I) Maternal pituitary
(B) Relaxin	(II) Placenta
(C) Oxytocin	(III) Thyroid
(D) Thyroxine	(IV) Ovary