Sail E0 Webinar

MCQs

Total Questions : 37 | Page 2 of 4 pages
Question 11. Which of the following proteins first binds to TATA box during transcription?
  1.    TF II D
  2.    RNA polymerase
  3.    TF II A
  4.    TF II B
 Discuss Question
Answer: Option A. -> TF II D
Question 12. A level of regulation, demonstrated by the termination of transcription if tryptophan is abundant, by the tryptophan operon in E.coli cells is called
  1.    corepression
  2.    activation
  3.    desiccation
  4.    attenuation
 Discuss Question
Answer: Option D. -> attenuation
Question 13. Which of these catalyzes the synthesis of RNA from a DNA template?
  1.    DNA gyrase
  2.    DNA ligase
  3.    RNA polymerase
  4.    DNA polymerase
 Discuss Question
Answer: Option C. -> RNA polymerase
Question 14. An mRNA transcript of a gene contains
  1.    a stop codon
  2.    a terminator
  3.    a start codon
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Question 15. Which of the following enzyme(s) is/are required for lactose fermentation?
  1.    Transacetylase
  2.    All of these
  3.    β-galactosidase
  4.    Galactoside permease
 Discuss Question
Answer: Option B. -> All of these
Question 16. The components found in all prokaryotic transcription terminators is
  1.    none of these
  2.    Rho factor
  3.    a poly-U region
  4.    a hairpin structure
 Discuss Question
Answer: Option D. -> a hairpin structure
Question 17. A specific __________ factor helps RNA polymerase bind to late promoters and transcribe late genes.
  1.    beta
  2.    delta
  3.    sigma
  4.    gamma
 Discuss Question
Answer: Option C. -> sigma
Question 18.  Which of the following enzyme is used for synthesis of RNA under the direction of DNA?
  1.    RNA polymerase
  2.    DNA ligase
  3.    DNA polymerase
  4.    RNA ligase
 Discuss Question
Answer: Option A. -> RNA polymerase
Question 19.  Which eukaryotic RNA polymerase makes tRNA's?
  1.    RNA polymerase 1
  2.    RNA polymerase 2
  3.    RNA polymerase 3
  4.    Any of these
 Discuss Question
Answer: Option C. -> RNA polymerase 3
Question 20.  Which of the following component of RNA polymerase facilitates the recognition of promoter sequences?
  1.    a subunit
  2.    b subunit
  3.    s subunit
  4.    c subunit
 Discuss Question
Answer: Option C. -> s subunit

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

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI
Tabulation - Test Paper 2 Data Interpretation Reasoning & DI
Test Paper 1 Direction Sense Test Reasoning & DI
ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0
GFM Combined 1 Free Revision Test SAIL JO E-0