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Gene regulation: lac operon

6 solved questions

Every question from past board papers on Gene regulation: lac operon, newest paper first. Open any question for its full worked answer.

NEET UG 2024 question paper (official, booklet S6)

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  1. The lactose present in the growth medium of bacteria is transported to the cell by the action of:

    4 marks · See worked answer →

NEET UG 2023 question paper (official, booklet G6)

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  1. Match List I with List II.

    List I: A. Gene 'a'; B. Gene 'y'; C. Gene 'i'; D. Gene 'z'

    List II: I. β-galactosidase; II. Transacetylase; III. Permease; IV. Repressor protein

    Choose the correct answer from the options given below:

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NEET UG 2022 question paper (official, booklet R6)

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  1. In an E.coli strain i gene gets mutated and its product can not bind the inducer molecule. If growth medium is provided with lactose, what will be the outcome ?

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NEET UG 2019 question paper (official, booklet P1)

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  1. Match the following genes of the Lac operon with their respective products :

    (a) i gene (i) \(\beta\)-galactosidase

    (b) z gene (ii) Permease

    (c) a gene (iii) Repressor

    (d) y gene (iv) Transacetylase

    Select the correct option.

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NEET UG 2018 question paper (official, booklet EE)

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  1. All of the following are part of an operon except

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NEET UG 2016 Phase 1 question paper (official, booklet A)

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  1. Which of the following is required as inducer(s) for the expression of Lac operon ?

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