Solved question paper for BT Dec-2020 (B-TECH 1st-2nd)

Solved Question Paper

Biotechnology Dec-2020

PTU • B-TECH • Civil Engineering • 1st-2nd • Dec-2020

Biotechnology previous year question papers on BRpaper are organized for students of Punjab Technical University’s Bachelor of Technology program, 1st-2nd semester. This section makes it easier to browse subject-wise old question papers for Biotechnology, so students can review how questions are typically framed in past exams and get a sense of the exam pattern. Many students search for biotechnology syllabus while preparing for exams, and this page is built to support exactly that kind of subject-wise browsing and revision. BRpaper is not the official website of Punjab Technical University or any institution, and it does not publish official notices or academic updates.

Solved Questions

Solved
  1. SECTION - B & C. have FOUR questions each.
    Short Answer Dec-2020 • PTU B-TECH
  2. Select atleast TWO questions from SECTION - B & C.
    Short Answer Dec-2020 • PTU B-TECH
  3. State the principle and working of a laser.
    Short Answer Dec-2020 • PTU B-TECH
  4. Explain the conditions for total internal reflection phenomena.
    Short Answer Dec-2020 • PTU B-TECH
  5. Mention various fiber parameters.
    Short Answer Dec-2020 • PTU B-TECH
  6. Differentiate between soft and hard magnetic materials.
    Short Answer Dec-2020 • PTU B-TECH
  7. Differentiate between type-I and type-II superconductors.
    Short Answer Dec-2020 • PTU B-TECH
  8. Justify that “Meissner effect is the true verification of superconducting state”.
    Short Answer Dec-2020 • PTU B-TECH
  9. Give the difference between continuous and characteristic X-rays.
    Short Answer Dec-2020 • PTU B-TECH
  10. Mention properties of ultrasound waves.
    Short Answer Dec-2020 • PTU B-TECH
  11. Explain the concept of wave-particle duality.
    Short Answer Dec-2020 • PTU B-TECH
  12. What is the difference between a quantum wire and quantum dot? 2 | M-75369 (S1)-591
    Short Answer Dec-2020 • PTU B-TECH
  13. Explain the construction, working and energy diagram of Ruby laser. 5
    Short Answer Dec-2020 • PTU B-TECH
  14. Discuss some medical applications of lasers. 3
    Short Answer Dec-2020 • PTU B-TECH
  15. Discuss the construction and working of step and graded index fibers. 5
    Short Answer Dec-2020 • PTU B-TECH
  16. Discuss different losses associated with optical fibers and their control. 3
    Short Answer Dec-2020 • PTU B-TECH
  17. Make a comparison between the characteristics of dia , para, ferro , ferri and ferrite magnetic materials. 5
    Short Answer Dec-2020 • PTU B-TECH
  18. Explain the phenomena of magnetostriction and mention its few applications. 3
    Short Answer Dec-2020 • PTU B-TECH
  19. Discuss the superconducting state and its various properties. 4
    Short Answer Dec-2020 • PTU B-TECH
  20. Give a brief account of BCS theory of superconducting state. 4
    Short Answer Dec-2020 • PTU B-TECH
  21. Give an account of the properties of X-rays and discuss the method of their production. 8
    Short Answer Dec-2020 • PTU B-TECH
  22. Explain the principle and working of ultrasound generator. 5
    Short Answer Dec-2020 • PTU B-TECH
  23. Mention the adverse effect of ultrasound waves. 3
    Short Answer Dec-2020 • PTU B-TECH
  24. Write a short note on de-Broglie waves and their properties. 3
    Short Answer Dec-2020 • PTU B-TECH
  25. Give definitions of Photoelectric effect and Compton Effect. 3
    Short Answer Dec-2020 • PTU B-TECH
  26. Calculate the frequency and wavelength of a photon whose energy is 75eV. 2
    Short Answer Dec-2020 • PTU B-TECH
  27. Discuss the top-down and bottom-up methods of nanoparticles synthesis. 4
    Short Answer Dec-2020 • PTU B-TECH
  28. What are carbon nanotubes? Discuss how various types of carbon nanotubes can be formed from graphene? 4 NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
    Short Answer Dec-2020 • PTU B-TECH

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FAQ

Frequently Asked Questions

Answers about this subject, solved papers, and preparation.

Updated regularly
01 Where can I find Biotechnology previous year question papers for Bachelor of Technology, 1st-2nd semester?

This page lists Biotechnology question papers uploaded for Punjab Technical University Bachelor of Technology, 1st-2nd semester, organized for subject-wise browsing where available.

02 Are these official Punjab Technical University question papers?

BRpaper is not the official website of Punjab Technical University. These papers are shared for reference and revision purposes only and are not official university material.

03 How can previous year Biotechnology papers help in exam preparation?

Reviewing past papers can help you understand how questions are typically framed, notice commonly repeated topics, and get a sense of the exam pattern before your own exam.

04 What kind of topics does Biotechnology usually cover?

The question papers here relate to the official Biotechnology syllabus set by the university for this course and semester.

05 Does this page include a Biotechnology syllabus or solved answers?

This page focuses on providing access to the previous year question papers themselves. A separate question bank or solved answers may not be available for every paper.

06 Can I find papers for other subjects in the same Bachelor of Technology?

Yes, BRpaper organizes papers by university, course, stream, and semester, so you can browse other subjects within the same Punjab Technical University Bachelor of Technology.