The Millennium Ecosystem Assessment describes the following major categories of ecosystem services-provisioning, supporting, regulating, preserving and cultural. Which one of the following is supporting service?

The acidification of oceans is increasing. Why is this phenomenon a cause of concern?

1. The growth and survival of calcareous phytoplankton will be adversely affected.
2. The growth and survival of coral reefs will be adversely affected.
3. The survival of some animals that have phytoplanktonic larvae will be adversely affected.
4. The cloud seeding and formation of clouds will be adversely affected.

With reference to the wetlands of India, consider the following statements :

1. The country’s total geographical area under the category of wetlands is recorded more in Gujarat as compared to other States.
2. In India, the total geographical area of coastal wetlands is larger than that of wetlands.

Which of the statements given above is/are correct?

Consider the following:

1. Black-necked crane
2. Cheetah
3. Flying squirrel
4. Snow leopard

Which of the above are naturally found in India?

Consider the following kinds of organisms :

1. Bat
2. Bee
3. Bird

Which of the above is/are pollinating agent/agents?

What would happen if phytoplankton of an ocean is completely destroyed for some reason?

1. The ocean as a carbon sink would be adversely affected.
2. The food chains in the ocean would be adversely affected.
3. The density of ocean water would drastically decrease.

Consider the following statements: Chlorofluorocarbons, known as ozone-depleting substances, are used

1. in the production of plastic foams
2. in the production of tubeless tyres
3. in cleaning certain electronic components
4. as pressurizing agents in aerosol cans

Which of the statements given above is/are correct?

Biomass gasification is considered to be one of the sustainable solutions to the power crisis in India. In this context, which of the following statements is/are correct?

1. Coconut shells, groundnut shells and rice husk can be used in biomass gasification.
2. The combustible gases generated from biomass gasification consist of hydrogen and carbon dioxide only.
3. The combustible gases generated from biomass gasification can be used for direct heat generation but not in internal combustion engines.

Vultures which used to be very common in the Indian countryside some years ago are rarely seen nowadays. This is attributed to

The increasing amount of carbon dioxide in the air is slowly raising the temperature of the atmosphere because it absorbs -

Which one of the following groups of animals belongs to the category of endangered species?

Which of the following can be threats to the biodiversity of a geographical area?

1. Global warming
2. Fragmentation of habitat
3. Invasion of alien species
4. Promotion of vegetarianism

Consider the following agricultural practices:

1. Contour bunding
2. Relay cropping
3. Zero Tillage

In the context of global climate change, which of the above helps/help in carbon sequestration/storage in the soil?

In which one among the following categories of protected areas in India are local people not allowed to collect and use the biomass?

How does the National Biodiversity Authority (NBA) help in protecting Indian agriculture?

1. NBA checks the biopiracy and protects indigenous and traditional genetic resources.
2. NBA directly monitors and supervises the scientific research on genetic modification of crop plants.
3. Application for Intellectual Property Rights related to genetic/biological resources cannot be made without the approval of the NBA.

What is the difference between the antelopes Oryx and Chiru?

Consider the following areas:

1. Bandipur
2. Bhitarkanika
3. Manas
4. Sunderbans

Which of the above are Tiger Reserves?

Government of India encourages the cultivation of ‘sea buckthorn’. What is the importance of this plant?

1. It helps in controlling soil erosion and preventing desertification.
2. It is a rich source of biodiesel.
3. It has nutritional value and is well-adapted to live in cold areas of high altitudes.
4. Its timber is of great commercial value.

If the National Water Mission is properly and completely implemented, how will it impact the country?

1. Part of the water needs of urban areas will be met through recycling of wastewater.
2. The water requirements of coastal cities with inadequate alternative sources of water will be met by adopting appropriate technologies that allow for the use of ocean water.
3. All the rivers of Himalayan origin will be linked to the rivers of peninsular India.
4. The expenses incurred by farmers for digging bore-wells and for installing motors and pump sets to draw groundwater will be completely reimbursed by the Government.

Select the correct answer using the codes given below: