TLS 
Triyambak Life Sciences

Nurturing Life Sciences

TLS Online

Nurturing Life Sciences

Store
Login

Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 41474
TLS Online TPP Program

#Question id: 2659


The correct option regarding the lac operon in E.coli from the following is

#SCPH05 I Biotechnology
  1. Lac operon is switched on in the absence of lactose

  2. Lac repressor binds to the lac promoter

  3. β-galactosidase is the only enzyme produced in large quantities when lac operon is turned on

  4. lac operon messenger RNA is a polycistronic mRNA


Answer:- Option(s): 4


To access the video solutions, Please subscribe TPP program.

Subscribe Now 
More Questions
TLS Online TPP Program

#Question id: 26895

#SCPH06 I Botany

Which factor is important in maintaining some grassland and shrub climax communities?

TLS Online TPP Program

#Question id: 26896

#SCPH06 I Botany

Higher annual precipitation (> 400cm) at which average temp 30 degreeC, which Types of Terrestrial biome is?

TLS Online TPP Program

#Question id: 26897

#SCPH06 I Botany

Which statement is incorrect about Tropical rain forest ?

TLS Online TPP Program

#Question id: 26898

#SCPH06 I Botany

Which of the following characteristics is incorrect consider in Hot desert?

TLS Online TPP Program

#Question id: 26899

#SCPH06 I Botany

Which statement is correct about Temperate Grassland?

TLS Online TPP Program

#Question id: 26900

#SCPH06 I Botany

Tundra is___

TLS Triyambak Life Sciences Nurturing Life Sciences
TLS Android APP TLS IOS APP

Company

  • About us
  • Careers
  • Terms of service
  • Privacy policy

Help & Support

  • User Guidelines
  • Refund Policy

Products

  • TLS APP
  • TPP APP

Contact Us

117/429-4 Q Block, behind Hotel DNG Grand, Sharda Nagar, Kanpur,
Uttar Pradesh 208025
India
Phone: +91 9919149001, +917007912133
Email: info@triyambak.org

© 2025 Copyright Triyambak Life Sciences Pvt Ltd. All Rights Reserved