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. 18632
TLS Online TPP Program

#Question id: 5543


What is the purpose of the chorion in terrestrial vertebrate embryos?

#XL - T Zoology
  1. To keep the embryo moist

  2. To exchange oxygen and carbon dioxide with the environment

  3. To absorb nutrients stored in yolk

  4. To store nitrogenous waste


Answer:- Option(s): 2


To access the video solutions, Please subscribe TPP program.

Subscribe Now 
More Questions
TLS Online TPP Program

#Question id: 3657

#XL - S Microbiology

Mutations in excision repair genes or a translesion DNA polymerase cause:

TLS Online TPP Program

#Question id: 3658

#XL - S Microbiology

In E. coli, the UvrABC endonuclease removes _____________and other bulky lesions by recognizing the distortion these produce in the double helix.

TLS Online TPP Program

#Question id: 3659

#XL - S Microbiology

In eukaryotes, gap filling in BER involves predominantly DNA polymerase β whereas the longer gaps generated in NER are filled by:

TLS Online TPP Program

#Question id: 3661

#XL - S Microbiology

______________ short fragment of DNA produced during replication of the lagging strand.

TLS Online TPP Program

#Question id: 3662

#XL - S Microbiology

______________ refers change to the DNA that affects expression of a gene but is not inherited.

TLS Online TPP Program

#Question id: 3663

#XL - S Microbiology

_______________ is a specific RNase which cuts RNA–DNA hybrids; involved in replication of ColE1-like plasmids.

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