509 Environment Science MCQ Questions in english

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509 Environment Science MCQ Questions in english हिन्दी

369. Which district is known for the Panna Tiger Reserve?

A. Rewa

B. Panna

C. Sagar

D. Chhatarpur

368. Which animal is a key species in Kanha National Park?

A. Swamp Deer (Barasingha)

B. Asiatic Lion

C. Red Panda

D. Nil Gai

367. Biosphere reserves aim to protect:

A. Endangered languages

B. Rare Metals

C. Biodiversity

D. Rocks and soil

366. Which river valley has the highest biodiversity in MP?

A. Chambal

B. Narmada

C. Shipra

D. Tapti

365. Which of the following is not a component of an ecosystem?

A. Soil

B. Water

C. Temperature

D. Radio

364. The Satpura National Park is located in which district of MP?

A. Indore

B. Bhopal

C. Hoshangabad

D. Jabalpur

363. Which of the following is a major biosphere reserve in Madhya Pradesh?

A. Nilgiri

B. Pachmarhi

C. Sunder bans

D. Nanda Devi

362. Which project in Uttar Pradesh is part of the National River Conservation Plan (NRCP)?

A. Betwa River Linking

B. Gomti River Front Project

C. Ramganga Barrage

D. Saryu Canal Scheme

Explanation: The Gomti River Front Project, launched in Lucknow, is part of a broader river conservation effort under NRCP. It includes sewage treatment, embankment construction, and ecological restoration. However, it has faced criticism for poor planning and environmental damage.

361. Which of the following districts in Uttar Pradesh is known for recurring arsenic contamination in groundwater?

A. Chitrakoot

B. Ballia

C. Etawah

D. Agra

Explanation: Ballia, along with parts of Ghazipur and Varanasi, faces high levels of arsenic in groundwater due to geological factors. This poses serious health risks including cancer and skin lesions. Efforts are underway to switch to surface water sources and install treatment units.

360. The National Chambal Sanctuary in Uttar Pradesh is most crucial for the conservation of which species?

A. Snow Leopard

B. Ganges Dolphin

C. Indian Skimmer

D. Bengal Tiger

Explanation: The National Chambal Sanctuary, shared between UP, MP, and Rajasthan, is a significant breeding ground for the endangered Indian Skimmer. Its sandy banks and clean water are critical for this species. The sanctuary also supports gharials and Gangetic dolphins.

359. Which of the following is responsible for the depletion of the ozone layer?

A. Carbon dioxide

B. Nitrous oxide

C. Chlorofluorocarbons (CFCs)

D. Methane

CFCs, commonly found in refrigerants and aerosol sprays, break down ozone molecules in the upper atmosphere, creating holes in the ozone layer — especially over the Antarctic region.

358. Which natural disaster is measured using the Richter scale?

A. Tsunami

B. Cyclone

C. Earthquake

D. Flood

Richter scale measures the magnitude of an earthquake.

357. Which international agreement aims to reduce global greenhouse gas emissions?

A. Geneva Convention

B. Kyoto Protocol

C. Paris Peace Treaty

D. Montreal Accord

Kyoto Protocol (1997) was the first major global treaty to control GHG emissions.

356. The 3 R’s in waste management stand for:

A. Reduce, Reuse, Recycle

B. Restore, Refill, Run

C. Remove, Reuse, React

D. Recycle, Remove, Reduce

The 3Rs aim to reduce environmental waste by promoting sustainable use.

355. Which Indian law deals with the protection of wildlife?

A. Environment Act, 1986

B. Forest Act, 1927

C. Wildlife Protection Act, 1972

D. Biodiversity Act, 2002

The Wildlife Protection Act provides legal protection to many species in India.

354. Which of the following is an endangered species?

A. Cow

B. Tiger

C. Goat

D. Pigeon

Tigers are on the endangered species list due to poaching and habitat loss.

353. Project Tiger was launched in:

A. 1973

B. 1985

C. 1991

D. 2000

Project Tiger was launched to conserve Bengal Tigers and their habitats.

352. The pH value of clean rainwater is approximately:

A. 7.0

B. . 4.0

C. 5.6

D. 9.0

Pure rainwater is neutral (pH 7), but acid rain has lower pH due to pollution.

351. Which method is used for water conservation in agriculture?

A. flood irrigation

B. drip irrigation

C. sprinkling waste water

D. burning stubble

Drip irrigation saves water by delivering it directly to plant roots.

350. Noise pollution is measured in:

A. Kelvin

B. Newton

C. Hertz

D. Decibel

Sound intensity is measured in decibels (dB); >85 dB is harmful.

349. Which of the following is a major pollutant from vehicles?

A. Sulphur dioxide

B. Carbon monoxide

C. Oxygen

D. Ammonia

Incomplete combustion in engines releases toxic CO gas.

348. Which gas is the major contributor to the greenhouse effect?

A. Nitrogen

B. Oxygen

C. Carbon dioxide

D. Argon

CO₂ traps heat in the atmosphere, leading to global warming.

347. Deforestation leads to:

A. Rainfall

B. Increase in soil fertility

C. Soil erosion

D. None of these

Trees prevent soil erosion; deforestation removes this natural barrier.

346. The richest biodiversity hotspot in India is:

A. Thar Desert

B. Indo-Gangetic Plain

C. Western Ghats

D. Sundarbans

: Western Ghats is one of the 36 global biodiversity hotspots.

345. Which of the following is a biotic component of an ecosystem?

A. water

B. soil

C. bacteria

D. Sunlight

Biotic components are living things; bacteria are microorganisms and thus biotic.

344. What is the annual rainfall range in Nagaland, critical for hydrological studies?

A. 500–1,000 mm

B. 1,800–2,500 mm

C. 3,000–4,000 mm

D. 100–500 mm

This rainfall supports Nagaland’s lush ecosystems and water resource studies.

343. Which environmental practice in Nagaland involves slash-and-burn agriculture?

A. Terrace farming

B. Jhum cultivation

C. Contour plowing

D. Hydroponics

Jhum cultivation, a traditional practice, is studied for its ecological impact and sustainability.

342. What is the main cause of frost at high elevations in Nagaland during winter?

A. Low humidity

B. High altitude

C. Deforestation

D. Urban heat islands

Frost at high elevations like Mount Saramati is studied for its impact on local agriculture.

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