Download PTU B.Sc-MLS 2020 March 6th Sem 71057 Environmental Sciences Question Paper

Download PTU (I.K. Gujral Punjab Technical University Jalandhar (IKGPTU) B.Sc MLS (B.Sc Medical Laboratory Sciences) 2020 March Previous Question Papers

1 | M - 71057 (S2)-1790

Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc.(MLS) (2014 to 2017) (Sem.?6)
ENVIRONMENTAL SCIENCES
Subject Code : BMLS-601
M.Code : 71057
Time : 3 Hrs. Max. Marks : 60
INSTRUCTION TO CANDIDATES :
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
Q1. Write briefly :
a) Give two harmful effects on humans beings due to Ozone layer depletion.
b) What is the necessity of rain water harvesting schemes?
c) List urban problems related to energy.
d) What is infectious material?
e) What is full form of AIDS?
f) Define disaster management.
g) What do you mean by deforestation?
h) Define value education.
i) What is biological pollution?
j) Write a note on nosocomial infections.
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1 | M - 71057 (S2)-1790

Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc.(MLS) (2014 to 2017) (Sem.?6)
ENVIRONMENTAL SCIENCES
Subject Code : BMLS-601
M.Code : 71057
Time : 3 Hrs. Max. Marks : 60
INSTRUCTION TO CANDIDATES :
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
Q1. Write briefly :
a) Give two harmful effects on humans beings due to Ozone layer depletion.
b) What is the necessity of rain water harvesting schemes?
c) List urban problems related to energy.
d) What is infectious material?
e) What is full form of AIDS?
f) Define disaster management.
g) What do you mean by deforestation?
h) Define value education.
i) What is biological pollution?
j) Write a note on nosocomial infections.
2 | M - 71057 (S2)-1790

SECTION-B
Q2. Explain the various sources of wastewater and also discuss the physico-chemical
characteristics of wastewater.
Q3. What measures can be taken to prevent soil pollution?
Q4. Write short notes on :
a) Toxic Chemicals
b) HIV/AIDS in developing countries.
Q5. What is population explosion?
Q6. Enumerate and discuss the various causes of deforestation.

SECTION-C
Q7. Describe the categories of waste and their disposal according to colour code bins.
Q8. Define hazardous waste. Discuss the different hazardous waste treatment methods.
Q9. Explain the various methods of controlling air pollutions.






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.
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