Environment – Fill in the Blank – GK Questions

In-situ conservation protects species within their natural ecosystems, such as through national parks and wildlife sanctuaries.

Photosynthesis uses sunlight, carbon dioxide, and water to produce glucose and oxygen, forming the base of most food chains.

An ecosystem includes both biotic (living) and abiotic (non-living) components interacting as a functional unit.

Humus improves soil fertility, structure, and its ability to retain moisture and nutrients.

Afforestation is the planting of trees in areas that have not recently been forested, whereas reforestation is replanting in depleted forests.

The Central Pollution Control Board (CPCB) is a statutory organization under the Ministry of Environment, Forest and Climate Change.

IUCN, the global authority on the environment and sustainable development, has its secretariat in Gland, Switzerland.

CNG is natural gas (mostly methane) stored at high pressure, serving as a cleaner substitute for gasoline and diesel.

Solar energy is harnessed using photovoltaic cells or solar thermal collectors to capture the sun's radiation.

The Nilgiri Biosphere Reserve, spanning Kerala, Tamil Nadu, and Karnataka, was the first to be set up in India.

Gir National Park and Wildlife Sanctuary is situated in the Saurashtra region of Gujarat.

The Vienna Convention established the framework for international cooperation to protect the ozone layer, which led to the Montreal Protocol.

POPs are toxic chemicals that adversely affect human health and the environment globally, persisting for long periods.

The Biological Diversity Act, 2002 was enacted to meet the obligations under the Convention on Biological Diversity (CBD).

The Forest Conservation Act 1980 was enacted to check deforestation and conserve forests, making prior central approval mandatory for non-forest use.

About 90% of the ozone in the atmosphere sits in the stratosphere, approximately 15 to 35 kilometers above Earth's surface.

The central aim of the Paris Agreement is to keep the rise in global average temperature well below 2°C, pursuing efforts to limit it to 1.5°C.

The CPCB sets the National Ambient Air Quality Standards (NAAQS) for PM2.5 at 60 µg/m³ for a 24-hour average.

Sulphur dioxide (SO2) and nitrogen oxides (NOx) react with water, oxygen, and other chemicals to form sulfuric and nitric acids.

Project Tiger was launched on April 1, 1973, to protect the endangered Bengal tiger in India.