Sail E0 Webinar

MCQs

Total Questions : 222 | Page 17 of 23 pages
Question 161. Integrated octopine T DNA occurs as
  1.    two segments
  2.    three segments
  3.    four segments
  4.    single segment
 Discuss Question
Answer: Option A. -> two segments
Question 162. Liposomes mediated gene transfer in plants involves
  1.    plasmid DNA enclosed in a lipid bag
  2.    use of polyethylene glycol (PEG)
  3.    All of these
  4.    fusion of liposomes with protoplast
 Discuss Question
Answer: Option C. -> All of these
Question 163. Which of the following plant signal molecules regulate the expression of vir B, C, D and E in case of tobacco?
  1.    Both (a) and (b)
  2.    α-hydroxy syringone
  3.    None of these
  4.    Acetosyringone
 Discuss Question
Answer: Option A. -> Both (a) and (b)
Question 164. Which of the following is true about T DNA?
  1.    Integration of T DNA can occur at many different, apparently random, sites in the plant nuclear DNA
  2.    Integration of T DNA occurs at one site that may be random in the plant nuclear DNA
  3.    Integration of T DNA occurs only at one specific sites in the plant nuclear DNA
  4.    Integration of T DNA occurs at two specific sites in the plant nuclear DNA
 Discuss Question
Answer: Option A. -> Integration of T DNA can occur at many different, apparently random, sites in the plant nuclear DNA
Question 165. Which of the following is not true about the direct repeats flanking T-DNA?
  1.    They are conserved between nopaline and octopine Ti-plasmids
  2.    All of these
  3.    These repeats are transferred intact to the plant genome
  4.    These are important in integration mechanism
 Discuss Question
Answer: Option C. -> These repeats are transferred intact to the plant genome
Question 166. Opines that are present in crown gall tumour include
  1.    octopine
  2.    nopaline
  3.    agropine
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Question 167. Intermediate vectors containing T-DNA are conjugation deficient. Thus conjugation is mediated in presence of which of the following plasmid?
  1.    pRK 2013
  2.    none of these
  3.    either (a) or (b)
  4.    pRN 3
 Discuss Question
Answer: Option C. -> either (a) or (b)
Question 168. The left segment of octopine T-DNA (TL) is necessary for
  1.    all of these
  2.    conjugative transfer
  3.    tumour formation
  4.    enzymes for agropine biosynthesis
 Discuss Question
Answer: Option C. -> tumour formation
Question 169. Which of the following is not true for microinjection technique that involves transfer of DNA into protoplast?
  1.    All of these
  2.    The recipient cells are immobilized on artificial support or artificially bound to substarate
  3.    It employs needle with diameter greater than cell diameter
  4.    It is carried out with the help of micromanipulator
 Discuss Question
Answer: Option C. -> It employs needle with diameter greater than cell diameter
Question 170. The right segment of octopine T-DNA (TR) is necessary for
  1.    enzymes for agropine biosynthesis
  2.    all of these
  3.    conjugative transfer
  4.    tumour formation
 Discuss Question
Answer: Option A. -> enzymes for agropine biosynthesis

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

GPOE / GPA Combined 1 Free Mock Test SAIL JO E-0 2024
Chapter 3.1 : INTRODUCTION Chapter 3 : Sinter Plant SAIL E0 - GPOE/GPA 2024
Chapter 2.3 : COAL HANDLING PLANT - Set 1 Chapter 2 : Coke Ovens and Coal Chemicals SAIL E0 - GPOE/GPA 2024
Chapter 1.1 : INTRODUCTION Chapter 1 : Raw Material Handling Plant SAIL E0 - GPOE/GPA 2024
DSP Combined 1 Free Revision Test SAIL JO E-0