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Environmental Ecology Mock Tests

13 questions available

Environmental Ecology Mock Test 1

Questions: 13

नमूना प्रश्न

UPSC General Studies
With reference to ecological succession, consider the following statements: 1. Xerarch succession begins in areas where water is scarce, such as bare rock or desert environments. 2. Hydric succession begins in very wet areas, such as marine or freshwater environments, and progresses towards mesic (moderately moist) conditions. 3. Succession in bare rock is an example of hygroxer succession. Which of the statements given above is/are correct?
A 1 and 2 only
B 1 and 3 only
C 2 and 3 only
D 1, 2 and 3
UPSC General Studies
With reference to the environmental ecology, an 'Ecosystem' includes:
A All the living organisms in a given area
B Only the abiotic components of a given area
C The living organisms (biotic) and the abiotic components of a given area interacting with each other
D Only the plants and animals of a given area
UPSC General Studies
In an ecosystem, which of the following correctly represents a valid food chain?
A Grass → Deer → Tiger → Fungi
B Grass → Insect → Frog → Snake → Eagle
C Eagle → Snake → Frog → Insect → Grass
D Grass → Tiger → Deer → Insect
UPSC General Studies
In an ecosystem, the term 'ecological pyramid' refers to:
A A graphical representation showing the relationship between producers, consumers, and decomposers in terms of number, biomass, or energy
B A three-dimensional model of a mountain ecosystem
C A pyramid-shaped structure built by ants for nesting
D A classification system for different types of climate zones
UPSC General Studies
With reference to ecological pyramids, consider the following statements: 1. The pyramid of energy is always upright in any ecosystem. 2. The pyramid of biomass in a marine ecosystem is always inverted. 3. The pyramid of numbers is always upright in a grassland ecosystem. Which of the statements given above is/are correct?
A 1 only
B 1 and 2 only
C 2 and 3 only
D 1, 2 and 3
UPSC General Studies
In the context of ecological pyramids, which of the following is typically inverted in certain ecosystems?
A Pyramid of energy
B Pyramid of biomass in an aquatic ecosystem
C Pyramid of number in a grassland ecosystem
D All of the above
UPSC General Studies
The 'Greenhouse Effect' is caused primarily by which of the following mechanisms?
A Ozone layer depletion in the stratosphere
B Trapping of infrared radiation by greenhouse gases in the atmosphere, leading to warming of the Earth
C Direct heating of the Earth's surface by increased solar radiation
D Reflection of sunlight by increased cloud cover
UPSC General Studies
The "Greenhouse Effect" is primarily caused by the accumulation of which of the following gases in the atmosphere?
A Oxygen and Nitrogen
B Carbon dioxide, Methane, Water vapor, and Nitrous oxide
C Ozone and Argon
D Hydrogen and Helium

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