Other

The formation of ozone hole in the Antarctic region has been a cause of concern. What could be the reason for the formation of this hole ?

a
Presence of prominent tropo-spheric turbulence; and inflow of chlorofluorocarbons
b
Presence of prominent polar front and stratospheric' clouds; and inflow of chlorofluorocarbons
c
Absence of polar front and stratospheric' clouds; and inflow of methane and chlorofluorocarbons
d
Increased temperature at polar region due to global warming

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Microbial fuel cells are considered a source of sustainable energy. Why?
1. They use living organisms as catalysts to generate electricity from certain substrates.
2. They use a variety of inorganic materials as substrates.
3. They can be installed in waste water,treatment plants to cleanse water and produce electricity.
Which of the statements given above is/are correct ?

a
1 only
b
2 and 3 only
c
1 and 3 only
d
1,2 and 3

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Which one of the following is not a site for in-situ method of conservation of flora ?

a
Biosphere Reserve
b
Botanical Garden
c
National park
d
Wildlife Sanctuary

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What is "virtual private Network " ?

a
It is a private computer network of an organization where the remote users can transmit encrypted information through the server of the organization
b
It is a computer network across a public internet that provides users access to their organization's network while maintaining the security of the information transmitted
c
It is a computer network in which users can access a shared pool of computing resources through a service provider
d
None of the statements (a),(b),(c) given above is a correct description of Virtual Private Network

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With what purpose is the-Government of India promoting the concept of "Mega Food Parks "?
1. To provide good infrastructure facilities for the food processing industry.
2. To increase the processing of perishable items and reduce wastage.
3. To provide emerging and eco-friendly food processing technologies to entrepreneurs.
Select the correct answer using the codes given below :

a
1 only
b
1 and 2 only
c
2 and 3 only
d
1,2 and 3

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