Environment & Ecology Mixed Quiz: Set 49

In ecology, a population is defined by three things together: one species, one place and one time. Ecology studies life in levels.

The Wild Life (Protection) Act received the assent of the President on 9 September 1972 and remains the principal wildlife law of the country, covering hunting, protected areas, trade in animal articles and the schedules of protected species.

This is the incorrect statement: the world has 36 recognised biodiversity hotspots, far fewer than 100. The hotspot idea came from the British ecologist Norman Myers, who in 1988 named ten tropical forest regions that were very rich in species and under heavy threat.

W. A. Rodgers and H. S. Panwar of the Wildlife Institute of India proposed the ten-zone biogeographic classification in 1988 while planning a representative wildlife protected area network for the country, and the ten zones with their biotic provinces are still the official framework.

Chlorofluorocarbons (CFCs) used in refrigerators, air conditioners, aerosol sprays and foams were the main cause of ozone depletion in the twentieth century.

Prickly pear cactus was taken to Australia in the nineteenth century and spread uncontrollably over grazing land because no local animal fed on it.

The Gulf of Khambhat has no coral reefs, because its water is muddy with silt and its tides are among the highest on India's coast.

The group that K. Kasturirangan headed reported in 2013 and used satellite imagery to separate the natural landscape of the Ghats from the cultivated and built-up land.

The amendment of 2022 rationalised the schedules of the parent Act: Schedule I now lists animals given the highest protection, Schedule II lists animals with a lesser degree of protection, Schedule III lists specified plants and Schedule IV lists specimens figuring in the appendices of the Convention on International Trade…

From 5 to 9 December 1952 an anticyclone settled over London, a temperature inversion trapped the smoke and sulphur dioxide of domestic coal fires, and the resulting smog killed thousands.

The Deccan Peninsula zone covers about forty-two per cent of the country, roughly two-fifths, stretching over the central highlands, Chota Nagpur, the eastern highlands and the Deccan plateau, and it carries most of India sal and teak forests and tiger reserves.

It was signed on 2 February 1971 in the Iranian city of Ramsar, which is why the treaty is always called the Ramsar Convention and why 2 February is kept as World Wetlands Day.

Lions breed at any time of year and cheetahs cannot roar, but male leopards do mark their territory with scent.

The Leopold matrix is the best known of the matrix methods: the activities of a project are set along one axis and the components of the environment along the other, and each cell where an activity meets a component is marked for the magnitude and the importance of the impact.

Cyanobacteria and diatoms carry out photosynthesis, so they are phytoplankton, the primary producers at the base of ocean food chains.

Lichens and mosses can live on bare rock, tree bark and walls without any soil, and they are the pioneer species of primary succession.

Tropical rainforests hold more plant and animal species than any other land ecosystem. These forests cover only about six to seven per cent of the Earth's land, yet they are thought to hold more than half of all known land species.

In the restructured Act the plant schedule moved from the old Schedule VI to the new Schedule III, and it still protects a short list of species such as the blue vanda, the pitcher plant and other threatened orchids and cycads, whose uprooting and trade are controlled.

Nokrek lies in the Garo Hills of Meghalaya and represents the North-East India biogeographic zone in the network of biosphere reserves; it is known for the wild citrus relative called the Indian wild orange and for the hoolock gibbon.

Section 35 empowers the State Government to declare an area of adequate ecological or zoological importance as a national park, where no grazing is permitted and no rights of any person are allowed to continue.