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. 18899
TLS Online TPP Program

#Question id: 111


Sterols are steroids which have

#XL - Q Biochemistry
  1. a hydroxyl group at position C-17.

  2. a hydroxyl group at position C-3.

  3. hydroxyl groups at both position C-3 and C-17.

  4. 5 fused rings instead of 4 fused rings.


Answer:- Option(s): 2


To access the video solutions, Please subscribe TPP program.

Subscribe Now 
More Questions
TLS Online TPP Program

#Question id: 10387

#XL - R Botany

Action spectrum stimulated phototropism in oat coleoptiles. The “three finger” pattern in the 400–500 nm region is characteristic of-

TLS Online TPP Program

#Question id: 10389

#XL - R Botany

The amount of light absorb by the plant per square meter (µmol m–2) known as

TLS Online TPP Program

#Question id: 10390

#XL - R Botany

Phytochromobilin autocatalytically attaches to the PHY apoprotein through

TLS Online TPP Program

#Question id: 10391

#XL - R Botany

Several of the structural domains in phytochrome, the N-terminal half of phytochrome contains;

TLS Online TPP Program

#Question id: 10394

#XL - R Botany

The interconversion of phytochrome Pr to Pfr form proposed by

TLS Online TPP Program

#Question id: 10395

#XL - R Botany

Which of the following responses is not shown Photoreversibility and Reciprocity?

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