TLS 
Triyambak Life Sciences

Nurturing Life Sciences

TLS Online

Nurturing Life Sciences

Store
Blog
Login

Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 31618
TLS Online TPP Program

#Question id: 4932


Which of the following is the best hypothesis regarding origins of nucleic acids?

#10. Ecological Principles
  1. DNA first

  2. RNA first

  3. DNA and RNA formed simultaneously

  4. Protein first


Answer:- Option(s): 2


To access the video solutions, Please subscribe TPP program.

Subscribe Now 
More Questions
TLS Online TPP Program

#Question id: 5762

#8. Inheritance Biology

An individual cell homozygous for a mutant allele of the gene for a human enzyme contains no detectable activity for that enzyme. The mutation is best described as

TLS Online TPP Program

#Question id: 5763

#8. Inheritance Biology

A mutation that causes a mutant phenotype only under restrictive conditions

TLS Online TPP Program

#Question id: 5764

#8. Inheritance Biology

A wild-type chromosome can be represented as ABC * DEFGH, and from this a chromosomal aberration arises that can be represented AFED * CBGH. This is known as (* = centromere)

TLS Online TPP Program

#Question id: 5765

#8. Inheritance Biology

How many different trisomics could be formed in a plant with a diploid number of 12?

TLS Online TPP Program

#Question id: 5766

#8. Inheritance Biology

Turner syndrome in humans is caused by which chromosomal conditions?

TLS Online TPP Program

#Question id: 5767

#8. Inheritance Biology

 An enzyme that repairs thymine dimers in visible light in E. coli

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

Company

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

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

© 2026 Copyright Triyambak Life Sciences Pvt Ltd. All Rights Reserved