Download PTU B.Sc -MLS 6th Semester 2019 May 71057 ENVIRONMENTAL SCIENCES Question Paper

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Roll No. HEEEEEEEEEE Total No. of Pages : 02
Total No. of Questions : 09

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B.Sc.(MLS) (2013 to 2017) (Sem.-6)
ENVIRONMENTAL SCIENCES
Subject Code : BMLS-601

Time : 3 Hrs. Max. Marks : 60

INSTRUCTION TO CANDIDATES :

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1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students has to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students has to attempt any TWO questions.

SECTION-A

1. Write briefly :
   1. Water pollution

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   2. Global warming
   3. Ecosystem
   4. Waste management
   5. External Quality Assurance
   6. Decontamination

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   7. First Aid
   8. Dustbin colour card
   9. Communicable Diseases
   10. AIDS

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SECTION-B

2. What are communicable diseases and how are they transmitted?
3. Explain the methods that are used for hazardous laboratory waste disposal.
4. How do radiations affect the human body?
5. Discuss the role of NGOs in imparting environmental education.

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6. Describe the remedial measures that can prevent land degradation.

SECTION-C

7. List the major air pollutants. Describe the effects of air pollutants on the climate.
8. Why should we be concerned about the hospital environment?
9. Describe the categories of waste material and their disposal in colour code dustbins.

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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.