Agriculture questions in UPSC Prelims 2023 Previous Year CSE Paper held on 28 May 2023
1. Somalia suffering from decades of civil strife, food shortages and faced severe famine recently
2. According to World Water Development Report, 2022, India extracts >1/3rd of world’s groundwater/year
3. Japan has its own Satellite Navigation System
4. Below activities are discussed for carbon sequestration
#. Spreading finely ground basalt rock on farmlands extensively
#. Increasing alkalinity of oceans by adding lime
#. Capturing CO2 released by various industries and pumping it into abandoned subterranean mines in the form of carbonated water
5. Aerial metagenomics means Collecting DNA samples from air in a habitat at one go
6. Microsatellite DNA is used in case of stimulating stem cells to transform into diverse functional tissues
7. Infrared waves are largely absorbed by water vapour that is concentrated in lower atmosphere
8. High temperature and moisture of tropical rain forests cause dead organic matter in the soil to decompose quickly
9. Temperature contrast between continents and oceans is greater during summer than in winter
10. Specific heat of water is more than that of land surface.
11. Green hydrogen will play significant role in decarbonizing fertilizer plants, oil refineries, steel plants
12. Concept of “Small Farmer Large Field” describes that many marginal farmers in an area organize themselves into groups and synchronize and harmonize selected agriculture operations.
13. Correct statements about Niger:
#. Government of India provides Minimum Support Price for niger (Guizotia abyssinica) seeds.
#. Niger is cultivated as a Kharif crop
#. Some tribal people in India use niger seed oil for cooking
14. Carbon markets are likely to be one of the most widespread tools in the fight against climate change
15. Some mushrooms have medicinal, pyschoactive, insecticidal and bioluminescent properties
16. India has more arable area than china
17. Raan of Kutch is perfect example of repeated falls in sea level, giving rise present-day extensive marshland
18. Ilmenite and rutile, abundantly available in certain coastal tracts of India, are rich source of Titanium
19. Jackfruit (Artocarpus heterophyllus), Mahua (Madhuca indica) and Teak (Tectona grandis) are examples of deciduous trees
20. Orangutan makes a tool with a stick to scrape insects from a hole in a tree or a log of wood
21. Some microorganisms can grow in environments with temperature above boiling point of water, below freezing point of water, and highly acidic environment with a pH below 3.
22. Hydrofluorocarbons (HFC) are used in foaming agents, aerosols, fire retardant and lubricants.
23. Jhelum River passes through Wular Lake
24. Invasive Species Specialist Group’ (that develops Global Invasive Species Database) belongs to International Union for Conservation of Nature
25. Honeybees perform waggle dance for others of their kin to indicate the direction and the distance to a source of their food
26. Nebula is giant clouds of dust and gas in space
27. Cepheids are stars which brighten and dim periodically
28. Pulsars are neutron stars that are formed when massive stars run out of fuel and collapse
29. In an SHG, all members of a group take responsibility for a loan that an individual member takes.
30. Regional Rural Banks and Scheduled Commercial Banks support SHGs.
