Sign Up


Have an account? Sign In Now

Sign In


Forgot Password?

Don't have account, Sign Up Here

Forgot Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.


Have an account? Sign In Now

You must login to ask question.


Forgot Password?

Need An Account, Sign Up Here
Sign InSign Up

Discussion Forum

Discussion Forum Logo Discussion Forum Logo

Discussion Forum Navigation

  • NCERT Solutions
  • MCQ Online Test
  • हिंदी मीडियम
Search
Ask A Question

Mobile menu

Close
Ask a Question
  • NCERT Solutions
  • MCQ Online Test
  • हिंदी मीडियम
Home/class 12/Page 2

Discussion Forum Latest Questions

Ganpati
Ganpati
Asked: February 26, 2024In: Class 12 Chemistry

What are the functions of glucocorticoids and mineralocorticoids released by the adrenal cortex?

Glucocorticoids control carbohydrate metabolism, modulate inflammatory reactions, and respond to stress, while mineralocorticoids regulate water and salt excretion by the kidneys.

chapter 10chemistryclass 12
  • 1 1 Answer
  • 14 Views
  • 0 Votes
Answer
Ganpati
Ganpati
Asked: February 26, 2024In: Class 12 Chemistry

Describe the role and chemical nature of hormones, using examples.

Hormones act as intercellular messengers, and they vary in chemical nature. Examples include steroids (estrogens, androgens), polypeptides (insulin, endorphins), and amino acid derivatives (epinephrine, norepinephrine). Hormones help maintain biological balance, as seen in insulin and glucagon regulating blood glucose levels.

chapter 10chemistryclass 12
  • 1 1 Answer
  • 15 Views
  • 0 Votes
Answer
Ganpati
Ganpati
Asked: February 26, 2024In: Class 12 Chemistry

Explain the relationship between DNA and protein synthesis in cells.

While proteins are synthesized by various RNA molecules, the instructions for protein synthesis are encoded in DNA. DNA provides the genetic information used by RNA in the cell’s protein synthesis process.

chapter 10chemistryclass 12
  • 1 1 Answer
  • 6 Views
  • 0 Votes
Answer
Ganpati
Ganpati
Asked: February 26, 2024In: Class 12 Chemistry

What is the primary function of DNA, and how does it contribute to heredity?

DNA serves as the chemical basis of heredity, maintaining species identity over time. It undergoes self-duplication during cell division, transferring identical DNA strands to daughter cells.

chapter 10chemistryclass 12
  • 1 1 Answer
  • 15 Views
  • 0 Votes
Answer
Ganpati
Ganpati
Asked: February 26, 2024In: Class 12 Chemistry

Explain the complementary base pairing in DNA and the types and functions of RNA molecules.

Adenine pairs with thymine, and cytosine pairs with guanine through hydrogen bonds in DNA. RNA has a single-stranded helical structure, with messenger RNA (m-RNA), ribosomal RNA (r-RNA), and transfer RNA (t-RNA) serving different functions.

chapter 10chemistryclass 12
  • 1 1 Answer
  • 6 Views
  • 0 Votes
Answer
Load More Questions

Sidebar

Ask A Question

Subscribe

  • Popular
  • Answers
  • Mrinal Garg

    Which is the best website providing NCERT Solutions?

    • 116 Answers
  • Richa

    NCERT Books

    • 31 Answers
  • manishq1

    Where can I get NCERT books in PDF format?

    • 26 Answers
  • Richa

    NIOS

    • 15 Answers
  • Richa

    NCERT Solutions

    • 12 Answers
  • Piyush365
    Piyush365 added an answer Suraj is fascinated by the sight of the steam engine… June 19, 2025 at 4:23 am
  • Piyush365
    Piyush365 added an answer Suraj entered the tunnel because he was curious and wanted… June 19, 2025 at 4:23 am
  • Piyush365
    Piyush365 added an answer The story conveys multiple morals: the value of bravery, the… June 19, 2025 at 4:23 am
  • Piyush365
    Piyush365 added an answer The central themes in “The Tunnel” include adventure, human-nature relationships… June 19, 2025 at 4:23 am
  • Piyush365
    Piyush365 added an answer In the end, Suraj travels on the night mail train… June 19, 2025 at 4:23 am

Explore

  • Home
  • Questions

© 2025 Tiwari Academy. All Rights Reserved