Regulation of lac operon can be visualised as regulation of enzyme synthesis by its
(A) substrate
(B)lactose
(C)carbohydrates
(D)All of these

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Lac operon will be switched on when
(A) lactose is less in the medium
(B)glucose is enough in the medium
(C)lactose is less than glucose
(D)lactose is more than glucose

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Repressor mRNA will be formed in
(A) absence of inducer
(B)presence of inducer
(C)both A and B
(D)presence of lac mRNA

Concept Questions :-

Gene Regulation:Lac Operon
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


The order and sequence of amino acids are defined by
(A) Nucleotides sequences in DNA
(B) Nucleotides sequences in mRNA
(C) Nucleotides sequences in template strand of DNA
(D) Nucleotides sequences in non- template strand of DNA

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Formation of peptide bond is
(A) active process
(B)passive process
(C)both active and passive process
(D)neither active nor passive process

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Which of the following is incorrect for protein synthesis
(A) Ribosomes are the cellular for protein synthesis
(B)23s rRNA act as catalyst for peptide bond formation in all organisms
(C)UTR are required for efficient translation process
(D)The ribosome proceeds to the elongation phase of protein synthesis

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


In bacteria catalytic RNA is found in
(A)60S subunit of ribosome
(B) 40S subunit of ribosome
(C) 30S subunit of ribosome
(D) 50S subunit of ribosome

Concept Questions :-

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Untranslated regions (UTRs) are present
(A) before the start codon and before stop codon
(B)after the start codon and before the stop codon
(C)before and after the start codon
(D)before start codon and after stop codon

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Polypeptides are
(A) dictated by DNA
(B)represented by mRNA
(C)Expresssion of t-RNA
(D)Both A and B

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Proteins are
(A) homopolymer
(B)heteropolymer
(C)homogenous mixture of amino acids
(D)heterogenous mixture of amino acids

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level: