Download Question Paper of "Environmental Science 2" , Question Paper of BCA 2nd Semester, Subject Code : EVSC-101, Paper ID B1112, Paper 2

Roll  No.........................

Total  No.  of  Questions  :  07

BCA  (Sem.–2nd)  (2011  &  2012  Batch)

ENVIRONMENTAL   SCIENCE

Subject  Code  :  EVSC-101

Paper  ID  :  [B1112]

Time  :  3  Hrs. Max. 

INSTRUCTION  TO  CANDIDATES  :

1. SECTION-A  is  COMPULSORY  consisting  of  TEN  questions  carrying TWO  marks  each.

2. SECTION-B  contains  SIX  questions carrying  TEN marks  each  and  students has  to  attempt  any  FOUR  

   questions.

SECTION-A

l. Write  briefly :

a)  Differentiate between Deforestation and Desertification.

b)  Define ecology  and ecosystem.

c)  What is Red  data book?

d)  Name different types of pollution.

e)  Define Biomass energy.

f)  Define Desertification.

g) Why pyramid of energy always takes an upright shape?

h) Define exotic species.

i)  What is nuclear holocaust?

j)  Define food chain.

SECTION-B

2.       Discuss  briefly  the  salient  features  of  air  (prevention    and  control  of pollution) Act.

3.       Discuss the concept of value education with the help of   

          suitable examples.

4.       Write a short note on use and over exploitation of  forest   

           resources.

5.     What  are  the  reasons  for  depletion of  ozone  layer?  Discuss  in  brief  the effect of depletion of ozone layer on the human beings.

6.       Explain  different types of biodiversity conservation   

          techniques and   their benefits.

7.       Define  ecology  and ecosystem. Enumerate different types  

          of  ecosystems and explain any one in detail.