Why is there a concern about copper smelting plants?

1. They may release lethal quantities of carbon monoxide into environment.

2. The copper slag can cause the leaching of some heavy metals into environment.

3. They may release sulphur dioxide as a pollutant.

Select the correct answer using the code given below.

1. 1 and 2 only
2. 2 and 3 only
3. 1 and 3 only
4. 1, 2 and 3

With reference to furnace oil, consider the following statements:

1. It is a product of oil refineries.

2. Some industries use it to generate power.

3. Its use causes sulphur emissions into environment.

Which of the statements given above are correct?

1. 1 and 2 only
2. 2 and 3 only
3. 1 and 3 only
4. 1, 2 and 3

What is blue carbon?

1. Carbon captured by oceans and coastal ecosystems
2. Carbon sequestered in forest biomass and agricultural soils
3. Carbon contained in petroleum and natural gas
4. Carbon present in atmosphere

In the nature, which of the following is/are most likely to be found surviving on a surface without soil?

1. Fern

2. Lichen

3. Moss

4. Mushroom

Select the correct answer using the code given below.

1. 1 and 4 only
2. 2 only
3. 2 and 3
4. 1, 3 and 4

Which of the following is used in preparing a natural mosquito repellent?

1. Congress grass
2. Elephant grass
3. Lemongrass
4. Nut grass

Consider the following kinds of organisms:

1. Copepods

2. Cyanobacteria

3. Diatoms

4. Foraminifera

Which of the above are primary producers in the food chains of oceans?

1. 1 and 2
2. 2 and 3
3. 3 and 4
4. 1 and 4

Consider the following animals:

1. Hedgehog

2. Marmot

3. Pangolin

To reduce the chance of being captured by predators, which of the above organisms rolls up/roll up and protects/protect its/their vulnerable parts?

1. 1 and 2
2. 2 only
3. 3 only
4. 1 and 3

With reference to the 'New York Declaration on Forests', which of the following statements are correct?

1. It was first endorsed at the United Nations Climate Summit in 2014.

2. It endorses a global timeline to end the loss of forests.

3. It is a legally binding international declaration.

4. It is endorsed by governments, big companies and indigenous communities.

5. India was one of the signatories at its inception.

Select the correct answer using the code given below.

1. 1, 2 and 4
2. 1, 3 and 5
3. 3 and 4
4. 2 and 5

Magnetite particles, suspected to cause neurodegenerative problems, are generated as environmental pollutants from which of the following?

1. Brakes of motor vehicles

2. Engines of motor vehicles

3. Microwave stoves within homes

4. Power plants

5. Telephone lines

Select the correct answer using the code given below.

1. 1, 2, 3 and 5 only
2. 1, 2 and 4 only
3. 3, 4 and 5 only
4. 1, 2, 3, 4 and 5

Which one of the following is a filter feeder?

1. Catfish
2. Octopus
3. Oyster
4. Pelican

In case of which one of the following biogeochemical cycles, the weathering of rocks is the main source of release of nutrient to enter the cycle?

1. Carbon cycle
2. Nitrogen cycle
3. Phosphorous cycle
4. Sulphur cycle

Which of the following are detritivores?

1. Earthworms

2. Jellyfish

3. Millipedes

4. Seahorses

5. Woodlice

Select the correct answer using the code given below.

1. 1, 2 and 4 only
2. 2, 3, 4 and 5 only
3. 1, 3 and 5 only
4. 1, 2, 3, 4 and 5

The 'Common Carbon Metric' supported by UNEP, has been developed for?

1. assessing the carbon footprint of building operations around the world
2. enabling commercial farming entities around the world to enter carbon emission trading
3. enabling governments to assess the overall carbon footprint caused by their countries
4. assessing the overall carbon footprint caused by the use of fossil fuels by the world in a unit time

Which of the following have species that can establish symbiotic relationship with other organisms?

1. Cnidarians

2. Fungi

3. Protozoa

Select the correct answer using the code given below.

1. 1 and 2 only
2. 2 and 3 only
3. 1 and 3 only
4. 1, 2 and 3

With reference to Chausath Yogini Temple situated near Morena, consider the following statements:

1. It is a circular temple built during the reign of Kachchhapaghata Dynasty.

2. It is the only circular temple built in India.

3. It was meant to promote the Vaishnava cult in the region.

4. Its design has given rise to a popular belief that it was the inspiration behind the Indian Parliament building.

Which of the statements given above are correct?

1. 1 and 2
2. 2 and 3 only
3. 1 and 4
4. 2, 3 and 4

Which one of the following ancient towns is well-known for its elaborate system of water harvesting and management by building a series of dams and channelizing water into connected reservoirs?

1. Dholavira
2. Kalibangan
3. Rakhigarhi
4. Ropar

In the first quarter of seventeenth century, in which of the following was/were the factory/factories of the English East India Company located?

1. Broach

2. Chicacole

3. Trichinopoly

Select the correct answer using the code given below.

1. 1 only
2. 1 and 2
3. 3 only
4. 2 and 3

From the decline of the Guptas until the rise of Harshavardhana in the early seventh century, which of the following kingdoms were holding power in Northern India?

1. The Guptas of Magadha

2. The Paramaras of Malwa

3. THe Pushyabhutis of Thanesar

4. The Maukharis of Kanauj

5. The Yadavas of Devagiri

6. The Maitrakas of Valabhi

Select the correct answer using the code given below.

1. 1, 2 and 5
2. 1, 3, 4 and 6
3. 2, 3 and 4
4. 5 and 6

According the the Portuguese writer Nuniz, the women in Vijayanagara Empire were expert in which of the following areas?

1. Wrestling

2. Astrology

3. Accounting

4. Soothsaying

Select the correct answer using the code given below.

1. 1, 2 and 3 only
2. 1, 3 and 4 only
3. 2 and 4 only
4. 1, 2, 3 and 4

With reference to Madanapalle of Andhra Pradesh, which one of the following statements is correct?

1. Pingali Venkayya designed the tricolour Indian National Flag here.
2. Pattabhi Sitaramaiah led the Quit India Movement of Andhra region from here.
3. Rabindranath Tagore translated the National Anthem from Bengali to English here.
4. Madame Blavatsky and Colonel Olcott set up headquarters of Theosophical Society first here.