CUET · BIOLOGY · PYQ PAPER 2023

Which one of the given assisted reproductive technologies (ART) involves transfer of fertilized egg into the fallopian tube?

A IUI
B ZIFT
C GIFT
D ICSI

Verified Solution

Answer & Solution

Correct Answer

(B) ZIFT

Step-by-step Solution

Detailed explanation

ZIFT

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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The value(s) of \(x\) for which the matrix \(A=\left[\begin{array}{ccc}x-1 & 1 & 1 \\ 1 & x-1 & 1 \\ 1 & 1 & x-1\end{array}\right]\) is singular, is/are :

CUET 2023 Hard

Match List-I with List-II

List-I (Structure of ether)	List-II (Common name)
(A) \(C_{6}H_{5}OCH_{2}CH_{3}\)	(I) Methyl n-propyl ether
(B) \(C_{6}H_{5}O(CH_{2})_{3}CH_{3}\)	(II) Methyl phenyl ether
(C) \(C_{6}H_{5}OCH_{3}\)	(III) n-Heptyl phenyl ether
(D) \(CH_{3}OCH_{2}CH_{2}CH_{3}\)	(IV) Ethyl phenyl ether
(D) \(CH_{3}OCH_{2}CH_{2}CH_{3}\)	(IV) Ethyl phenyl ether

Choose the correct answer from the options given below:

CUET 2025 Medium

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LIST I	LIST II
A. Penicillium notatum	I. Ethanol
B. Trichoderma polysporum	II. Citric acid
C. Saccharomyces cerevisiae	III. Antibiotics
D. Aspergillus niger.	IV. Cyclosporin A

List - I	List - II
(A) Part/Compound/Gases	(I) C
(B) Electrodes	(II) B
(C) Water which contains organic compounds	(III) D
(D) Gases	(IV) E