Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Consider the following statements:
1. Coal ash contains arsenic, lead and mercury.
2. Coal-fired power plants release sulphur dioxide and oxides of nitrogen into the environment.
3. High ash content is observed in Indian coal.
Which of the statements given above is/are correct?
1 only
2 and 3 only
3 only
1, 2 and 3
What is the use of biochar in farming?
1. Biochar can be used as a part of the growing medium in vertical farming.
2. When biochar is a part of the growing medium, it promotes the growth of nitrogen-fixing microorganisms.
3. When biochar is a part of the growing medium, it enables the growing medium to retain water for longer time.
1 and 2 only
2 only
1 and 3 only
If a particular plant species is placed under Schedule VI of The Wildlife Protection Act, 1972, what is the implication?
A license is required to cultivate that plant.
Such a plant cannot be cultivated under any circumstances.
It is a Genetically Modified crop plant.
Such a plant is invasive and harmful to the ecosystem.
With reference to the period of Gupta dynasty in ancient India, the towns Ghantasala, Kadura and Chaul were well known as
ports handling foreign trade
capitals of powerful kingdoms
places of exquisite stone art and architecture
important Buddhist pilgrimage centres
What is/are the advantage/advantages of zero tillage in agriculture?
1. Sowing of wheat is possible without burning the residue of previous crop.
2. Without the need for nursery of rice saplings, direct planting of paddy seeds in the wet soil is possible.
3. Carbon sequestration in the soil is possible.
Select the correct answer using the code given below:
