The core enzyme which requires the factor for termination of RNA synthesis at some sites is known as
(A)Sigma factor
(B)Rho factor
(C)Gamma factor
(D)Alpha particle

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

Difficulty Level:


One-gene-one enzyme hypothesis was proposed by
(A)Ochoa and Kornberg
(B)Charles Yudofsky
(C)Hershey and Chase
(D) Beadle and Tatum

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

Difficulty Level:


Which is a natural genetic engineer of the plants?
(A)E.coli
(B)A. tumefaciens
(C)Rhizobium
(D)Pseudomonas

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

Difficulty Level:


The thermostable enzyme Taq polymerase used in PCR technique was discovered by
(A)Alec Jeffrey
(B)Karry Mullis
(C)Temin
(D)Baltimore

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

Difficulty Level:


In a DNA% of T is 20% then what will be the % of G?
(A)20%
(B)40%
(C)30%
(D)60%

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

Difficulty Level:


Role of DNA in heredity was discovered for the first time through experiments involving
(A)Transformation using E.coli
(B)Transduction involving bacteriophage
(C)The use of enzymes protease and nuclease
(D)Transformation using heat killed virulent and living non virulent D.pneumoniae

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

Difficulty Level:


In 125 amino acids, sequence of the codon for 25th amino acid is mutated to UAA, then
(A)A polypeptide of 24 amino acids is formed
(B) A polypeptide of 124 amino acids is formed
(C) A polypeptide of 25 amino acids is formed
(D) No polypeptides are formed

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

Difficulty Level:


If length of DNA is 1.36 mm , the number of base pair and nucleosomes in it will be
(A)4×10^12 and 2×10^4
(B)4×10^6 and 2×10^10
(C)4×10^6 and 2×10^4
(D) 4×10^6 and 2×10^12

Concept Questions :-

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

Difficulty Level:


If a codon consists of 3 bases and there are 5 different nitrogenous bases altogether. How many codons will be there?
(A)61
(B)125
(C)27
(D)64

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

Difficulty Level:


If a DNA have 5000 base pair , and amount of adenine is 15% then find out the number of nucleotide of guanine
(A)1750
(B)3500
(C)7000
(D)975

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

Difficulty Level: