Biology class 12 chapter 23 important mcqs, short and long questions

Learn Biology class 12 chapter 23 MCQs, Short and Long Questions. These important biology Class 12 mcqs, short and long questions are collected by going through different past papers of all Punjab Board Pakistan.

Why are these questions important?

These Questions are taken from past papers of Biology Class 12. These questions are top repeated of in previous papers of Biology 12 of all Punjab boards as;

      Bahawalpur Board

      D.G.Khan Board

      Faisalabad Board

      Gujranwala Board

      Lahore Board

      Multan Board

      Rawalpindi Board

Content is created and designed with intense care and diligence. Here is only the most important MCQ, short questions and long questions of Biology class 12 chapter 23 Biotechnology.

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You can easily download in pdf format or view Biology class 12 chapter mcqs, short questions and long questions  online. You can easily print these files in simple way. Here you find Bilgy class 12 Chapter 23 Biotechnology important mcqs, short and long questions. By Preparing these important questions, you will achieve splendid marks in Biology class 12. This content is very helpful for weak students and also helpful for those students that are better at Biology 12 exam preparation. These Questions are based on the current Biology 12 syllabus according to Punjab Textbook Board.

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About This Chapter

Chapter 23 Biotechnology of  Biology class 12 introduces the students to cloning of gene. Students learn about Molecular Scissors: Restriction Endonucleases. Students regeneration. Students learn Genoiftic Library. Students learn The polymerase Chain Reaction. Students learn about The Human Genome Project. Students learn about  Biotechnology Products. Students learn  Biotechnology Products. At the last, students learn Gene Therapy and Tissue Culture Techniques.  This Post "Biology class 12 chapter 23 important mcqs, short and long questions" covers all important mcqs, short and long questions related to important  topics of this chapter.

👉Imp MCQs - Biology Class 12 CH # 23

1. DNA  polymerase is extracted from :

(A) Bacteria

(B) Viruses

(C) Fungi

(D) Sheep

(A) Bacteria

2. All suspension cultures of digitalis lanata produce :

(A) Choline

(B) Quinine

(C) Digitoxin

(D) All of above

(C) Digitoxin

3. Enzyme luciferases produced by an insect commonly know as:

(A) Fire fly

(B) House fly

(C) Butterfly

(D) All of above

(A) Fire fly

4. Cystic fibrosis patients lacks gene that codes for the transmembrane carrier of

(A) Carbonate ion

(B) Chloride ion

(C) Iodide ion

(D) Bromide ion

(B) Chloride ion

5. Full set of genes of an individuals is called:

(A) Genome

(B) Gene

(C) Genotype

(D) Both A & C

(A) Genome

6. Antibodies taken from soybean are used to cure?

(A) Mumps

(B) Measles

(C) Genital Harpies'

(D) All of above

(C) Genital Harpies'

7. Which one is the human smallest chromosome?

(A) 23

(B) 22

(C) 15

(D) 14

(B) 22

8. Gene therapy is used to repair a  

(A) Suppressive gene

(B) Faulty gene

(C) Recessive gene

(D) All of above

(B) Faulty gene

9. Recombinant DNA is introduced into host by means of  

(A) Fungus

(B) Vector

(C) Both 

(D) None

(B) Vector

10. A commonly used restriction enzyme is 

(A) Ligase

(B) Lipase

(C) EcoR1

(D) All of above

(C) EcoR1

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👉Other Chapters (PDF) of Biology Class 12 Punjab Textbook Board

✅Chapter 15

Homeostasis

✅Chapter 16

Support and Movement

✅Chapter 17

Coordination and Control

✅Chapter 18

Reproduction

✅Chapter 19

Growth and Development

✅Chapter 20

Chromosomes and DNA

✅Chapter 21

Cell Cycle

✅Chapter 22

Variation and Genetics

✅Chapter 24

Evolution

✅Chapter 25

Ecosystem

✅Chapter 26

Some Major Ecosystems

✅Chapter 27

Man and his Environment