GEAS - Environmental Engineering - Mastery

_____is the example of non-renewable natural resources a) Water b) Solar energy c) Crops d) Coal and petroleum

d

The Provisions of Wild Life Protection Act are a) Prohibit killing and hunting of specified animals b) Constitute sanctuaries, national parks, and closed areas for wildlife conservation c) Special scheme for preservation of endangered species d)  All the above

d

Which of the following is a fossil fuel? a)  Tar       b) Coal      c) Petroleum              d)  All the above

d

Soil erosion can be prevented by a) Afforestation                b) Deforestation c) Over growing               d) Removal of vegetation

a

Green House effect refers to a) Cooling of earth            b) Trapping of UV rays c) Warming of earth         d) Cultivation of plants

c

Global warming will cause the following problem a) Melting of glaciers    b)  Raising of ocean level c)  Sinking of islands    d)  All the above

d

Common energy source in village is a) Coal b)  Biogas c) Electricity d)  Wood and animal dung

d

Soil erosion is caused by a) Deforestation b) Farming and mining c) Overgrazing by cattle d) All the above

d

______ is used for generation of electricity a) Tar b) Coal c) Petroleum d)  All the above

b

Biogas is otherwise called as a)Vermi gas                        b)  Methane  c) Gobar gas d) Gobal gas

c

The fossil fuel is extracted by a technique called ___________ (a) Hydro energy                (b) Hydraulic fracturing (c) Hydraulic fraction         (d) Hypodrilling fraction

b

Hydropower plants converts the kinetic energy of flowing water into_______ (a) Mechanical energy                        (b) Tidal energy (c) Wind energy                                 (d) Electricity

d

The main purpose of rainwater harvesting is recharge the (a) Gardens        (b)  Wells  (c)  Cannels       (d) Groundwater table

No answer text provided.

Disposal of any kind of electrical and electronic waste is called (a) Waste                                           (b) Domestic waste                    (c) Vegetable waste                           (d) e-waste

c

Removal of microorganisms from the sewage water is by (a) Aeration  (b) Pre-screening (c) Disinfection  (d) Sludge removal

c

Process of burning of non-biodegradable solid waste is called _______ (a) Composting  (b) Incinerations  (c) Segregation (d) Sanitary land filling

b

Deforestation is caused by a) Over population and shifting of cultivation b) The increase in demand for fuel is another reason c) Over grazing and forest fire d) All the above

d

_____ is an elixir of life a) Air (b) Water  (c)  food (d) All the above

No answer text provided.

Deforestation generally decreases a) Rain fall (b) Drought  (c)  Global warming (d) Soil erosion

a

The most important natural resources, which shapes the earth‟s surface and regulate our climate (a) Forest resources (b) Food resources (c) Land resources                             (d) Water resources

c

Water scarcity is mainly caused due to (a) Over population (b)  Low rainfall   (c) Over-exploitation         (d) Unequal access

c

Water is renewable natural resource because a) It can be reused again b) It is being recycled by human being c) It is being renewed through reduction d) It is renewed and recharged through hydrological cycle

c

Flood is caused mainly due to (a) Deforestation  and Overgrazing by animals b) Mining and Rapid industrialization c) Global warming d) All the above

d

Name the tree which is used to lower the water table due to excessive transpiration a) Coconut trees b)  Mango trees   c) Eucalyptus trees                 d) All the above

c

The major problem is caused by upstream a) Tribal people get displaced from their native homes b) The flora and fauna get depleted c) Breeding of vectors and spread of diseases take place d) All the above

d

Which natural factor cause drought a) Over cultivation b) Rain failure c) Over grazing d) None of the above

b

Desertification of Cauvery is caused by a) Deforestation b) Urbanization c) Raising agriculture and industry d) All the above

d

The forest which occur in low rainfall a) Evergreen forest b) Coniferous forest c) Deciduous forest d) all the above

c

The forest which occur in high rainfall a) Evergreen forest b) Coniferous forest c) Temperate forest d) Tundra forest

a

Living thing in an environment is known as a) Abiotic elements b) Biotic elements b) Animals and microorganism d) Plants

b

Which of the following is not an air pollutant a) Smoke b)Carbon Dioxide                      c) Nitrogen Gas d) Sulphur Dioxide

c

Which part of plant evaporates water a) Stomata b) Fruit                     c) Branch d) Root

a

Nuclear family refers to a) Any family born after 1950 b) Family includes parents and their children c) Entire family including children, their parents and grandparents d) Only husband and wife

b

The people should become aware of the dangers of____ a) Population explosion b) Deforestation and ozone layer depletion c) Industrialization and global warming d) All the above

d

Environmental education is a deliberate effort to accomplish the noble task of a) Conserving the environment b) Safeguarding the environment c) Awareness among people on natural resources d) All the above

d

Man-made Environment includes___ a) Human groups b) Material infrastructure c) Institutional systems d) All the above

d

Environmental studies provides knowledge on a) Richness and conservation of biodiversity b) Relationship of ecosystems c) Understand about environmental pollution and control d) All the above

d

Which gas is mainly responsible for global warming a) CO2 b) SO2 c) N2                         d) CH4

a

The gas which destroys chlorophyll in plant leaves is a) SO3 b) CO2 c) SO2                       d) H2S

c

Which of the following three R,s regarded as environment friendly a) Reduce, Rebuild, Restrict b) Reduce, Reuse, Recycle c) Read. Register, Recall d) Random, Reduce, Recall

b

What is Biodiversity a) Many populations of one species in one forest b) Many types of flora and fauna in one forest c) Many types of flora and fauna in many forest d) All the above are true

d

Environment includes a) Abiotic factors b) Biotic factors c) Nitrogen and Oxygen d) Abiotic and Biotic components

d

What does ozone layer absorb a) Gamma rays b) X-Rays                   c) Ultraviolet rays d) Infrared rays

c

Biotic resources includes a) Plants and animals b) Human population c) Coal and Oil                           d) All the above

d

Why should we conserve forest and wild life a) To protect biodiversity b) To maintain balance c) To continue food chain d) All the above

d

Water harvesting is a method which  a) Increase ground water level b) Not practiced in modern days c) Has no relation with ground water d) Decrease ground water level

a

A non renewable source of energy is a) Wile life b) Fossil fuels c) Water    d) Forest

b

A renewable exhaustible natural resource is a) Forest b) Coal      c) Petroleum             d) Minerals

a

An inexhaustible and renewable source of energy is a) Wood b) Natural gas c) Fossil fuel              d) Hydropower

d

Biogas is which type of natural resources a) Renewable b) Inexhaustible           c) Non-conventional d) Both a) and  c)

d

A species restricted to a given area is a) Endemic species b) Allopatric species c) Sympatric species d) Sibling species

a

IUCN Stands for a) International Union for Conservation of Nature b) International Union for Conservation of Nature and Natural Resources c) International Union Council for Nature d) International Union council for Conservation of Nature and Natural Resources

a

Uses of forest includes  a) Productive function b) Protective function c) Regulative function d) All the above

d

Regulation of environmental equilibrium is successfully achieved by a) Forest resources b) Water resources c) Food resources d) Land resources

a

Deforestation leads to reduction of ____ a) Rain fall b) soil erosion c) Ground water depletion d) All the above

a

._____ is very essential for all the sustenance of all the living organisms a) Water b) Food                 c) Forest                    d) Air

b

Soil erosion is caused by a) Deforestation b) Grazing c) Landslides d) All the above

d

.____ plants which have no soil-binding capacity start growing a) Parthenium b) Lantana          c) Xanthium              d) All the above

d

The most abundantly available fossil fuel in India is _________ a) Coal b) Natural Gas          c)  Petroleum            d) Oil

a

Biomass energy is derived from____ a) Cattle dung    b) Wood        c)  Agriculture wastes          d) All the above

d

. _____ plants are rich in hydrocarbons which are used in diesel engiene a) Sorghum b) Sugarcane c)  Cactus      d) Jatropha curcas and oil palms

d

Biogas is a mixture of ______ a) Methane and CO2 b) Methane, CO2 and H2 c) Methane, CO2, H2 and H2S          d) None of the above

a

An aerobic degradation of animal wastes which produces biogas known as a) Methane b) Propane                c)  Ethane                  d) Butane

a

LED stands for a) Light Emitting Device b) Light Emitting Diode c) Light Encryption Device d) Light Event Detector

b

The term ecosystem was first introduced by__ a) Utpary     b) Earnest Haeckel  c) Sir Arthur Tansley                  d) Sukachev

c

The word ecology coined by a) Sir Arthur Tansley b) Earnest Haeckel     c) Utpary                   d) Sukachev

b

In an ecosystem, the energy flow is always a) Always unidirectional b) Always bidirectional c) In any direction d) Always down directional

a

The upper part of an aquatic ecosystem contains a) Benthos b) Plankton               c) Nekton                   d)both (1) and (2)

b

The region of earth, where life exists is known as a) Hydrosphere b) Biosphere c) Lithosphere           d) Atmosphere

b

In the biosphere energy is received from a) The Sun b) The interior of the earth c) Both A) and B)        d) Work

c

Ecosystem is smallest unit of a) Biosphere b) Lithosphere           c) Ionosphere            d) Mesosphere

a

Ecology deals with the study of a) Environment b) Living and non living substances c) Living beings d) All the above

d

The pyramid of energy in an ecosystem a) Always upright b) Always inverted c) May be upright or inverted d) None of the above

a

Organic components includes a) Carbohydrates b) Proteins                c) Fats       d) All the above

d

Which is called as autotrophs a) Green plants b) Animals c) Birds      d) All the above

a

Photosysnthesis is a process by which plants prepare their own food by using___ a) CO2       b) H2O      c) Light and chlorophyll             d) All the above

d

During photosysnthesis green plants producing their own food in the form of ____ a) Glucose  b) Fructose              c) Maltose                 d) All the above

d

Example of Primary consumers a) Rabbit b) Frog                      c) Snake                    d) All the above

a

Secondary consumers deriving their energy from_____ a) Producers b) Herbivores c) Tertiary consumers       d) From the all

a

Examples of Omnivores a) Elephant and Camel b) Frog and small bird c) Fox and Lion d) Man and Rat

d

____ perform an invaluable service in the ecosystem by decomposing the organic matter and make it available for reuse a) Omnivores       b) Detrivores           c) Decomposers              d) All the above

c

Examples of detrivores a) Bacteria and fungi b) Snake and Big fish c) Rat and Birds d) Beetles, Ants and Earthworms

a

The major functional attributes of the ecosystems includes a) Energy flow b) Tropic structure c) Nutrient cycle and productivity d) All the above

d

The sequence of eating and being eaten in an ecosystem is known as a) Food web b) Food chain c) Tropic structure     d) All the above

b

The following is the correct food chain of an aquatic ecosystem a) Phytoplankton → Zooplankton →Fish →Bird → Vulture b) Phytoplankton→ Fish→ Zooplankton → Bird→ Vulture c) Zooplankton→ Phytoplankton→ Vulture→ Fish → Bird d) Fish→ Zooplankton→ Phytoplankton→ Bird →Vulture

a

The following is the correct food chain of grassland ecosystem a) Grass → Grasshopper → Frog –→Snake → Hawk b) Grass → Grasshopper → Frog → Hawk → Snake c) Grass –→ Frog → Grasshopper→ Snake →Hawk d) Grass → Grasshopper → Snake → Frog → Hawk

a

Carnivores are at a) First tropic level b) Second tropic level c) Third tropic level d) Fourth tropic level

c

An estuary is the place where a) Rich in nutrients b) Usually support an abundance of fish c) River joins with the sea d) All the above

d

Importance of food chain includes a) Energy flow b) Nutrient cycling c) Ecological balance d) All the above

d

In a network, different types of organisms are connected at different tropic levels are___ a) Energy flow b) Food chain c) Tropic structure     d) Food web

b

Importance of food web includes a) Opens flow of energy b) Gives greater stability to the ecosystem c) Number of options are available at each tropic level d) All the above

d

In a pond ecosystem, the pyramid of biomass is a) Upright b) Inverted                c) Spindle shaped      d) None of the above

b

The organic nutrients of dead plants and animals are converted into inorganic Substances by microbes which are absorbed by a) Primary consumers b) Secondary consumers c) Primary producers  d) Secondary producers

c

Biogeochemical cycle includes a) Nutrient cycling through biotic components b) Nutrient cycling through abiotic components c) Nutrient cycling through biotic and abiotic components d) None of the above

c

In an ecosystem one type of community is totally replaced by another over a period of time is called as a) Ecological balance b) Ecological succession c) Both A) and B)               d) None of the above

b

The following forests are famous for richest biodiversity a) Tropical rain forests b) Tropical deciduous forests c) Temperate rain forests d) Evergreen forests

a

Polar grassland is characterized by a) Severe cold and strong wind b) Summer sunshine c) Ice remains frozen throughout the year d) All the above

d

Biodiversity comprises a) Genetic diversity b) Species diversity  c) Ecosystem diversity d) All the above

d

Dodo is a a) Endangered species b) Extinct species c) Critically endangered species d) Rare

b

Conservation within the natural habitats is a) In-situ conservation b) Ex-situ conservation c) In-vivo conservation d) Ex-vivo conservation

a