Sail E0 Webinar

MCQs

Total Questions : 194 | Page 16 of 20 pages
Question 151. Proteins can interact with a DNA molecule by ____________________
  1.    fitting into the grooves
  2.    interacting with the base pairs
  3.    hydrophilic interactions
  4.    covalent linkages
 Discuss Question
Answer: Option A. -> fitting into the grooves
Answer: (a).fitting into the grooves
Question 152. What is the width of the DNA double helix?
  1.    1 nm
  2.    2 nm
  3.    3 nm
  4.    4 nm
 Discuss Question
Answer: Option B. -> 2 nm
Answer: (b).2 nm
Question 153. Which kinds of forces stabilize the DNA structure?
  1.    hydrophilic, covalent
  2.    hydrophobic, covalent
  3.    hydrophobic, van der Waals
  4.    hydrophilic, van der Waals
 Discuss Question
Answer: Option C. -> hydrophobic, van der Waals
Answer: (c).hydrophobic, van der Waals
Question 154. The supercoiled state of DNA was first discovered in the year __________
  1.    1943
  2.    1953
  3.    1963
  4.    1973
 Discuss Question
Answer: Option C. -> 1963
Answer: (c).1963
Question 155. In situ hybridization was aimed at determining the location of _______
  1.    satellite DNA
  2.    nucleus
  3.    mitochondria
  4.    autosomes
 Discuss Question
Answer: Option A. -> satellite DNA
Answer: (a).satellite DNA
Question 156. Amphioxus is a _____________________
  1.    cell organelle
  2.    marine animal
  3.    marine plant
  4.    reptile
 Discuss Question
Answer: Option B. -> marine animal
Answer: (b).marine animal
Question 157. Which hypothesis was proposed by Susuma Ohno in 1971?
  1.    2R hypothesis
  2.    2T hypothesis
  3.    2S hypothesis
  4.    2P hypothesis
 Discuss Question
Answer: Option A. -> 2R hypothesis
Answer: (a).2R hypothesis
Question 158. Whole genome duplication is termed as __________________
  1.    aneuploidy
  2.    polyploidization
  3.    polyploidy
  4.    polymorphism
 Discuss Question
Answer: Option B. -> polyploidization
Answer: (b).polyploidization
Question 159. Moderately repeated DNA sequences can vary from _______ percent of the total DNA.
  1.    10-20
  2.    20-80
  3.    20-50
  4.    50-80
 Discuss Question
Answer: Option B. -> 20-80
Answer: (b).20-80
Question 160. Gene duplication occurs by unequal crossing over.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True

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