Biology class 12 chapter 27 important Questions

Learn Biology class 12 chapter 27 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 27 Man and His Environment.

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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 27 Man and His Environment 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

Biology class 12 chapter 27 introduces the students to Renewable and Non-Renewable Resources. Students learn about Degradation and Depletion of Resources. Students learn Man's Impact On Environment. Students learn Deforestation and Afforestation. Students learn about Pollution, Health and diseases.  This Post "Biology class 12 chapter 27 important Questions" covers all important mcqs, short and long questions related to important  topics of this chapter.

👉Imp MCQs - Biology Class 12 CH # 27

1. The upper weathered layer of earth crust is:

(A) Sand

(B) Soil

(C) Rock

(D) All

(B) Soil

2. At time of independence, the population of Pakistan was about :

(A) 32.5 billion

(B) 32.5 million

(C) 60.5 billion

(D) 60.5 million

(B) 32.5 million

3. Ozone molecule is made up by binding three atoms of   

(A) Hydrogen

(B) Oxygen

(C) Nitrogen

(D) Sulphur

(B) Oxygen

4. Which one destroys ozone molecule in ozone layer
    

(A) Lead

(B) Chlorine

(C) Sulphur

(D) Nitrogen

(B) Chlorine

5. Study of human population and things that effect is known as

(A) Biology

(B) Demography

(C) Geology

(D) Teratology

(B) Demography

6. Percentage of fresh water in lakes, streams and rivers is ?

(A) 1%

(B) 2%

(C) 3%

(D) 4%

(A) 1%

7. The ozone layer has developed a hole over the :

(A) Equator

(B) Antarctica

(C) Tropic

(D) None of these

(B) Antarctica

8. A chemical that kills weed in a crop is called 

(A) Pesticide

(B) Herbicide

(C) Fungicide

(D) All of above

(B) Herbicide

9. Which is known as silent killer 

(A) Carbon dioxide

(B) carbon monoxide

(C) Sulphur

(D) Chlorine

(B) carbon monoxide

10. How much area of the world is under cultivation?

(A) 5 %

(B) 11 %

(C) 15 %

(D) 21 %

(B) 11 %

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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 23

Biotechnology

✅Chapter 24

Evolution

✅Chapter 25

Ecosystem

✅Chapter 26

Some Major Ecosystems