| 2301 |
The law that recognises the land and forest-produce rights of tribal and traditional forest-dwelling communit… |
Environmental Studies
Forest conservation and conflicts |
Medium |
| 2302 |
The Appiko movement, modelled on Chipko, took place in: |
Environmental Studies
Forest conservation and conflicts |
Medium |
| 2303 |
In 1730, Amrita Devi and many members of her community gave their lives to protect khejri trees. The communit… |
Environmental Studies
Forest conservation and conflicts |
Easy |
| 2304 |
According to the India State of Forest Report 2021, India’s forest cover was about what share of its geograph… |
Environmental Studies
Forest conservation and conflicts |
Hard |
| 2305 |
The first Inspector General of Forests in British India was: |
Environmental Studies
Forest management |
Medium |
| 2306 |
Planting trees along roadsides, canal banks and railway lines is called: |
Environmental Studies
Forest management |
Easy |
| 2307 |
Joint Forest Management grew out of a successful experiment at: |
Environmental Studies
Forest management |
Medium |
| 2308 |
The main aim of colonial “scientific forestry” was to: |
Environmental Studies
Forest management |
Easy |
| 2309 |
Which statement correctly describes Joint Forest Management? |
Environmental Studies
Forest management |
Hard |
| 2310 |
Which is an example of ex situ conservation? |
Environmental Studies
In situ and ex situ conservation |
Easy |
| 2311 |
In a biosphere reserve, the zone where people live and carry out sustainable activities is the: |
Environmental Studies
In situ and ex situ conservation |
Medium |
| 2312 |
India’s first national park, set up in 1936 as Hailey National Park, is now known as: |
Environmental Studies
In situ and ex situ conservation |
Easy |
| 2313 |
Cryopreservation of genetic material is usually carried out at a temperature of about: |
Environmental Studies
In situ and ex situ conservation |
Medium |
| 2314 |
How does a national park mainly differ from a wildlife sanctuary in India? |
Environmental Studies
In situ and ex situ conservation |
Hard |
| 2315 |
Project Tiger was launched in India in: |
Environmental Studies
Project Tiger and conservation laws |
Easy |
| 2316 |
Which law requires prior central government approval before forest land is diverted for non-forest purposes? |
Environmental Studies
Project Tiger and conservation laws |
Medium |
| 2317 |
The National Biodiversity Authority, headquartered in Chennai, was set up under the: |
Environmental Studies
Project Tiger and conservation laws |
Medium |
| 2318 |
The fundamental duty of citizens to protect and improve the natural environment is found in: |
Environmental Studies
Project Tiger and conservation laws |
Easy |
| 2319 |
The All India Tiger Estimation 2022, released in 2023, gave an average estimate of about how many tigers in I… |
Environmental Studies
Project Tiger and conservation laws |
Hard |
| 2320 |
Fertiliser-laden runoff from many farm fields entering a river is an example of a: |
Environmental Studies
Pollutants, sources and sinks |
Easy |
| 2321 |
Minamata disease, first reported in Japan in the 1950s, was caused by poisoning with: |
Environmental Studies
Pollutants, sources and sinks |
Medium |
| 2322 |
The increase in concentration of a persistent pollutant such as DDT at successive levels of a food chain is c… |
Environmental Studies
Pollutants, sources and sinks |
Easy |
| 2323 |
The Central Pollution Control Board was first set up under which Act? |
Environmental Studies
Pollutants, sources and sinks |
Hard |
| 2324 |
The Environment (Protection) Act, 1986 was passed soon after which disaster? |
Environmental Studies
Pollutants, sources and sinks |
Medium |
| 2325 |
Which of these is a secondary air pollutant? |
Environmental Studies
Air pollution |
Easy |
| 2326 |
The ozone layer lies mainly in the: |
Environmental Studies
Air pollution |
Easy |
| 2327 |
Rain is considered “acid rain” when its pH falls below about: |
Environmental Studies
Air pollution |
Medium |
| 2328 |
Photochemical smog differs from classical smog because it: |
Environmental Studies
Air pollution |
Hard |
| 2329 |
A layer of warm air lying over cooler air near the ground, which traps pollutants, is called: |
Environmental Studies
Air pollution |
Medium |
| 2330 |
India’s revised National Ambient Air Quality Standards (2009) cover how many pollutants? |
Environmental Studies
Air quality standards and monitoring |
Medium |
| 2331 |
A city reports an AQI of 350. Its air quality falls in which category? |
Environmental Studies
Air quality standards and monitoring |
Easy |
| 2332 |
The 24-hour NAAQS limit for PM2.5 is: |
Environmental Studies
Air quality standards and monitoring |
Hard |
| 2333 |
Why is PM2.5 considered more harmful to health than coarser particles? |
Environmental Studies
Air quality standards and monitoring |
Medium |
| 2334 |
How is the overall Air Quality Index for a location decided? |
Environmental Studies
Air quality standards and monitoring |
Easy |
| 2335 |
India moved to BS-VI emission norms nationwide on 1 April 2020 by skipping: |
Environmental Studies
Vehicular and industrial emissions |
Easy |
| 2336 |
Which device is mainly used in thermal power plants to remove fine particles from flue gases? |
Environmental Studies
Vehicular and industrial emissions |
Medium |
| 2337 |
A catalytic converter in a petrol car requires unleaded fuel because lead: |
Environmental Studies
Vehicular and industrial emissions |
Medium |
| 2338 |
The switch of Delhi’s buses, taxis and autorickshaws to CNG followed an order in 1998 by the: |
Environmental Studies
Vehicular and industrial emissions |
Easy |
| 2339 |
What is the maximum sulphur content allowed in BS-VI fuel? |
Environmental Studies
Vehicular and industrial emissions |
Hard |
| 2340 |
A river stretch receiving untreated sewage will usually show: |
Environmental Studies
Water pollution |
Easy |
| 2341 |
The standard BOD test measures oxygen consumed by microbes over: |
Environmental Studies
Water pollution |
Medium |
| 2342 |
A 10 mL water sample is diluted to 300 mL. DO falls from 8.0 mg/L to 5.0 mg/L in the BOD test. The BOD of the… |
Environmental Studies
Water pollution |
Hard |
| 2343 |
For the same water sample, COD is generally higher than BOD because: |
Environmental Studies
Water pollution |
Medium |
| 2344 |
The presence of coliform bacteria such as E. coli in drinking water indicates: |
Environmental Studies
Water pollution |
Easy |
| 2345 |
The two nutrients mainly responsible for eutrophication of lakes are: |
Environmental Studies
Lakes and eutrophication |
Easy |
| 2346 |
The warm upper layer of a thermally stratified lake is called the: |
Environmental Studies
Lakes and eutrophication |
Medium |
| 2347 |
In a eutrophic lake, fish die mainly because: |
Environmental Studies
Lakes and eutrophication |
Medium |
| 2348 |
Compared with a eutrophic lake, an oligotrophic lake typically has: |
Environmental Studies
Lakes and eutrophication |
Easy |
| 2349 |
Lakes in cold regions freeze from the top down and aquatic life survives below because: |
Environmental Studies
Lakes and eutrophication |
Hard |
| 2350 |
In a jar (sedimentation) test, which soil fraction settles to the bottom first? |
Environmental Studies
Soil pollution |
Easy |