NEET · Biology · STD 12 - 5. molecular basis of inheritance

Match List \(I\) with List \(II\) .

List \(I\) List \(II\)

\(A\). Frederick Griffith \(I\). Genetic code

\(B\). Francois Jacob and Jacque Monod \(II\). Semi-conservative mode of DNA replication

\(C\). Har Gobind Khorana \(III\). Transformation

\(D\). Meselson and Stahl \(IV\). Lac operon

Choose the correct answer from the options given below:

A \(A-III, B-IV, C-I, D-II\)
B \(A-II, B-III, C-IV, D-I\)
C \(A-IV, B-I, C-II, D-III\)
D \(A-III, B-II, C-I, D-IV\)

Verified Solution

Answer & Solution

Correct Answer

(A) \(A-III, B-IV, C-I, D-II\)

Step-by-step Solution

Detailed explanation

Frederick Griffith series of experiment witness miraculous transformation in the bacteria. The elucidation of \(Lac\) operon was a result of a close association between geneticist, Francois Jacob and a biochemist, Jacques Monod.

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 with respect to chronology of evolution of life forms :

List I	List II
A. About 65 mya	I. Jawless fish probably evolved
B. About 500 mya	II. The dinosaurs suddenly disappeared from the earth
C. About 350 mya	III. Seedweeds and few plants probably existed
D. About 320 mya	IV. Invertebrates were formed and became active

Choose the correct answer from the options given below :

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List \(I\)	List \(II\)
\(A\). Frederick Griffith	\(I\). Genetic code
\(B\). Francois Jacob and Jacque Monod	\(II\). Semi-conservative mode of DNA replication
\(C\). Har Gobind Khorana	\(III\). Transformation
\(D\). Meselson and Stahl	\(IV\). Lac operon