Edzy
AI TutorResourcesToolsCompareBuy
SearchDownload AppLogin
Edzy

Edzy for Classes 6-12

Edzy is a personal AI tutor for CBSE and State Board students, with curriculum-aligned guidance, practice, revision, and study plans that adapt to each learner.

  • Email: always@edzy.ai
  • Phone: +91 96256 68472
  • WhatsApp: +91 96256 68472
  • Address: Sector 63, Gurgaon, Haryana

Follow Edzy

Browse by Class

  • CBSE Class 6
  • CBSE Class 7
  • CBSE Class 8
  • CBSE Class 9
  • CBSE Class 10
  • CBSE Class 11
  • CBSE Class 12
Explore the CBSE resource hub

Explore Edzy

  • Study Resources
  • Free Study Tools
  • Best Apps for Board Exams
  • Edzy vs ChatGPT
  • About Us
  • Why We Built Edzy
  • Blog
  • CBSE AI Tutor

Support & Legal

  • Help & FAQs
  • Accessibility
  • Privacy Policy
  • Terms & Conditions
  • Refund Policy
  • Cookie Policy
  • Site Directory

© 2026 Edzy. All rights reserved.

Curriculum-aligned learning paths for students in Classes 6-12.

AO
Question Practice

What is the significance of polymerase chain reaction (PCR) in rDNA technology?

Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.

MCQ_SA
CBSE
Class 12
Biotechnology
Biotechnology
An Overview of Recombinant DNA...
Question Bank

What is the significance of po...

Single Answer MCQ
Q-00095768

What is the significance of polymerase chain reaction (PCR) in rDNA technology?

1

It helps in separating DNA fragments by size.

2

It allows for the cloning of specific DNA sequences exponentially.

3

It degrades unwanted DNA sequences.

4

It synthesizes peptides from DNA templates.

Previous QuestionNext Question

Video Explanation

Answer

Solution:

Watch Video Solution

Login to get access

Keep Practising

Students who asked this also explored

Continue with nearby questions to strengthen the same chapter concept while you still have the context fresh in mind.

Q1.

What was the key finding of Avery, MacLeod, and McCarty in 1944?

Single Answer MCQ
View explanation
Q2.

Who proposed the double helical structure of DNA?

Single Answer MCQ
View explanation
Q3.

Which enzyme is known for its role in cutting DNA at specific sequences?

Single Answer MCQ
View explanation
Q4.

What significant technique was developed by Stanley Cohen and Herbert Boyer?

Single Answer MCQ
View explanation