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Zoology BS 2 Semester/Term 2021

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  • Ayesha Mustafa· 3 days ago

    BS ZOOLOGY first semester Animal diversity ZOOL 101 - university of Punjab 2025

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  • Abubakar· 4 days ago

    Literary criticism

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  • Guest· 4 days ago

    this paper consists of 60 marks but now we have 35 marks paper.

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  • Annie· 5 days ago

    Can you please tell me more past papers please because my exams are starting from next week

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  • Ahmed· 9 days ago

    Did you provide the past papers of the science of society uos?

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Paper text

Examination: BS Zoology Semester 2nd

Course: Science of Global Challenges (For All Discipline)

Marks : 60

Time Allowed 2:30

BS-22-21-25

Session: 2021-2025

Course Code NSCI-104

Note: Attempt any twenty Questions.

Question No. 1 Give the short answers of followings (20 x 2=40)

1-Write down the names revolutionary phases of previous 100 years.

2-How species could be conserved?

3-Define fossil fuels and how they are responsible for causing pollution?

4-What do you know about mass extinction?

5-Enlist the causes and effects of Greenhouse Effect.

6-What is the Geological time scale(GTS)?

7-What are the major causes of environmental disruption?

8-Why does earth have plate tectonics?

9-What are the objectives of sustainable development?

10-Classify the energy resources

11-Differentiate between potential energy and kinetic energy

12-Describe Applications of photoelectric effect?

13-Write the differences between conductors, insulators and semiconductors?

14-How infectious diseases could be prevented?

15-Enlist some viral infections.Give detail of any two viral infections

16-What do you know about Koch's germ theory? Give its main postulates.

17-Differentiate between Natural selection and Artificial selection.

18-Define Zoonoses. Enlist some zoonotic diseases.

19-What is antibiotic resistance?

20-what do you know about RADAR?

21-Define biotechnology?

22-What do you know about gene therapy?

Note: Attempt any two questions

Question No.02. Give the detailed answers of followings (2x10=20)

1-Define Vaccine? How many types of vaccine are? Elaborate the history of vaccines.

2-What is Nanotechnology and its future applications in medicine?

3-Write a detailed note on photoelectric Effect

BS-22-21-25-200.