Punjab 12th Class Biology and Human Welfare Mcqs Test Online
Questions 15
Total Marks 30
Time 15 Mins
Helpful For:

12th Biology Class Test
Entry Test Biology MCQs
Biology Admission Test
Competitive Exams
All Punjab Boards Annual Exams

Punjab 12th Class Biology and Human Welfare Mcqs Test Online

Punjab 12th Class Biology and Human Welfare Mcqs Test Online

 

Question 1 of 15

Biology

1. Polio virus lives in the _________ of man.

1.
2.
3.
4.

Question 1 of 15

Question 2 of 15

2. Which of the following is/are the method of crop improvement?
1.
2.
3.
4.

Question 2 of 15

Question 3 of 15

3. Rennet is used in
1.
2.
3.
4.

Question 3 of 15

Question 4 of 15

4. A bioreactor is
1.
2.
3.
4.

Question 4 of 15

Question 5 of 15

5. Which of the following is fermentation process?
1.
2.
3.
4.

Question 5 of 15

Question 6 of 15

6. The artificial active immunity is achieved by injecting small amount of antigen called:
1.
2.
3.
4.

Question 6 of 15

Question 7 of 15

7. High value of BOD (Biochemical Oxygen Demand) shows
1.
2.
3.
4.

Question 7 of 15

Question 8 of 15

8. Who showed that Saccharomyces cerevisiae causes fermentation forming products such as beer and butter milk?
1.
2.
3.
4.

Question 8 of 15

Question 9 of 15

9. The discovery that led to the development of first antibiotic was made by
1.
2.
3.
4.

Question 9 of 15

Question 10 of 15

10. Hybridization in plants is the technique of introducing desirable species into a hybrid by means of:

1.
2.
3.
4.

Question 10 of 15

Question 11 of 15

11. The best way to prevent a tetanus is:
1.
2.
3.
4.

Question 11 of 15

Question 12 of 15

12. Spirulina is a:
1.
2.
3.
4.

Question 12 of 15

Question 13 of 15

13. Tissue plasminogen activator is
1.
2.
3.
4.

Question 13 of 15

Question 14 of 15

14. Biogas is
1.
2.
3.
4.

Question 14 of 15

Question 15 of 15

15. Measles is an infectious viral disease that occurs most often in:
1.
2.
3.
4.

Question 15 of 15


 

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