CUET · BIOLOGY · PYQ PAPER 2023

The process of cutting out of DNA fragments from agarose gel and their extraction from gel piece is known as:

A Purification
B Elution
C DNA fingerprinting
D Transformation

Verified Solution

Answer & Solution

Correct Answer

(B) Elution

Step-by-step Solution

Detailed explanation

Elution

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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Match List I with List II

List I (Acronym)	List ll (Description)
(A) ZIFT	(I) Transfer of an ovum from a donor into the fallopian tube of another female.
(B) GIFT	(II) Semen collection from husband/healthy donor is artificially introduced into the uterus of the female.
(C) IUT	(III) Transfer of zygote or embryo of upto 8 blastomeres into fallopian tube.
(D) IUI	(IV) Transfer of embryo with more than 8 blastomeres into uterus.

Choose the correct answer from the options given below:

CUET 2023 Easy

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List I	List ll
(A) Maize	(I) Perisperm
(B) Black Pepper	(II) False fruit
(C) Ground Nut	(III) Albuminous seed
(D) Strawberry	(IV) Ex-albuminous seed