Sail E0 Webinar

MCQs

Total Questions : 108 | Page 1 of 11 pages
Question 1.  The accepted hypothesis for DNA replication is
  1.    conservative theory
  2.    dispersive theory
  3.    semi-conservative theory
  4.    evolutionary theory
 Discuss Question
Answer: Option C. -> semi-conservative theory
Question 2.  When DNA polymerase is in contact with guanine in the parental strand, what does it add to the growing daughter strand?
  1.    Phosphate
  2.    Cytosine
  3.    Uracil
  4.    Guanine
 Discuss Question
Answer: Option B. -> Cytosine
Question 3.  Telomeres are usually rich in which nucleotide?
  1.    Adenine
  2.    Guanine
  3.    Thymine
  4.    Cytosine
 Discuss Question
Answer: Option B. -> Guanine
Question 4.  The chromosomal DNA complexes with
  1.    three types of histone as H1, H2A and H4
  2.    five types of histone as H1, H2A, H2B, H3 and H4
  3.    four types of histone as H1, H2A, H3 and H4
  4.    two types of histone as H1 and H4
 Discuss Question
Answer: Option B. -> five types of histone as H1, H2A, H2B, H3 and H4
Question 5.  Taylor, Woods and Hughes labeled Vicia DNA by allowing new DNA synthesis in the presence of radioactive thymine. After DNA replication (S phase of the cell cycle), it was observed that
  1.    only one chromatid of a chromosome was labeled
  2.    both chromatids of a chromosome were labeled
  3.    both (a) and (b)
  4.    neither chromatid was labeled
 Discuss Question
Answer: Option B. -> both chromatids of a chromosome were labeled
Question 6.  Which is the largest among the followings?
  1.    Nucleotide
  2.    Nitrogenous base
  3.    Phosphate
  4.    Carbon
 Discuss Question
Answer: Option A. -> Nucleotide
Question 7.  In DNA double helix, the two DNA chains are held together by
  1.    covalent bonds between the pair of bases
  2.    hydrogen bonds between the pair of bases
  3.    ionic bonds between the pair of bases
  4.    none of the above
 Discuss Question
Answer: Option B. -> hydrogen bonds between the pair of bases
Question 8.  The 5' and 3' numbers are related to the
  1.    length of the DNA strand
  2.    carbon number in sugar
  3.    the number of phosphates
  4.    the base pair rule
 Discuss Question
Answer: Option B. -> carbon number in sugar
Question 9. . The most common liquid volumes in molecular biology are measured in
  1.    ml
  2.    μl
  3.    nl
  4.    1
 Discuss Question
Answer: Option B. -> μl
Question 10.  Messelsen and Stahl model of replication was called
  1.    conservative replication
  2.    semi-conservative replication
  3.    dispersive replication
  4.    Cri du Chat
 Discuss Question
Answer: Option B. -> semi-conservative replication

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

DSP Combined 1 Free Revision Test SAIL JO E-0
GPOE / GPA Combined 1 Free Revision Test SAIL JO E-0
BSP Plant Specific Review Test SAIL JO E-0
BSL Combined 1 Free Revision Test SAIL JO E-0
GFM Combined 1 Free Revision Test SAIL JO E-0