Environmental Engineering Test 1 Nddc Scholarship
Environmental Engineering Test 1 Nddc Scholarship
Question 31
Most stable ecosystem is
The Ocean is considered the most stable ecosystem on Earth. Due to its massive size, high salinity, and the water's high specific heat capacity, environmental conditions such as temperature and chemical composition remain relatively constant over long periods compared to terrestrial ecosystems.
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Question 32
Which of the following statement about the forest is not correct
All the statements provided are actually correct functions of a forest. Forests reduce soil erosion via root systems, provide recreational areas (like parks), and drive economic development through timber and non-timber products. Therefore, none of them are 'not correct'.
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Question 33
Lignite, bituminous and anthracite are different types of
These are the different ranks of Coal, classified based on their carbon content and heat energy. Peat is the lowest rank, followed by Lignite (brown coal), Bituminous (soft coal), and Anthracite (hard coal, which has the highest carbon content).
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Question 34
Which of the following is the example of impact of development activities on hydrosphere?
The hydrosphere refers to all the water on the Earth's surface. Therefore, the direct impact of development activities (like industrial waste discharge or agricultural runoff) on the hydrosphere is water pollution.
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Question 35
Study of trends in human population growth and prediction of future growth is called
Demography is the statistical study of human populations, including their size, structure, distribution, and how they change over time through births, deaths, and migration.
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Question 36
Which of the following is not a method of water conservation
Ground water extraction is the process of taking water out of the ground for use. If done excessively, it depletes water resources rather than conserving them. The other options are active ways to save or manage water efficiently.
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Question 37
Formation of ozone is
In the stratosphere, ozone (\(O_3\)) is formed when ultraviolet (UV) radiation from the sun splits oxygen molecules (\(O_2\)) into single oxygen atoms, which then recombine with other \(O_2\) molecules. Because this reaction is driven by light energy, it is a photochemical reaction.
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Question 38
The drop in air temperature at a rate of 6.5° C per 1000 m increase in altitude of troposphere is known as
The Environmental Lapse Rate (ELR) is the actual rate at which the atmospheric temperature decreases with an increase in altitude in the troposphere. The standard or average value is approximately 6.5°C per kilometer.
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Question 39
Zone consisting air, water and soil is known as
The Biosphere is the worldwide sum of all ecosystems. It is the zone where the atmosphere (air), hydrosphere (water), and lithosphere (soil/rock) interact to support life.
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Question 40
Word oikos means __________ and logos means _______
The word 'Ecology' comes from the Greek words 'oikos', meaning house or dwelling place, and 'logos', meaning study of. Thus, ecology is the study of organisms in their 'home'.
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Division of responsibilities into distinct branches to limit any branches from exercising the core functions of another is _______?
Choose the option nearest in meaning to the underlined word(s).
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