Class 7 GEO CH 1 MCQ. We covered all the Class 7 GEO CH 1 MCQ in this post for free so that you can practice well for the exam.
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MCQ on Environment for Class 7 Students
The important message conveyed by the ‘Chipko Movement’ is
(a) to involve the community in forest conservation efforts.
(b) the ignore the community in forest conservation efforts.
(c) to cut down forest trees for development activities.
(d) government agencies have the unquestionable right to order the destruction of trees in forests.
Option a – to involve the community in forest conservation efforts
Which of the following will be released during the combustion of fossil fuels?
(a) Carbon dioxide
(b) Oxide of nitrogen
(c) Carbon monoxide
(d) All of these
Option d – All of these
Biodiversity hotspots are
(a) oceans
(b) glaciers
(c) rivers
(d) forests
Option d – forests
Van Mahotsava is meant for
(a) afforestation
(b) deforestation
(c) start of the grazing season
(d) commercial forestry
Option a – afforestation
Kulhs are irrigation canals of
(a) Rajasthan
(b) Bihar
(c) Himachal Pradesh
(d) Karnataka
Option c – Himachal Pradesh
Bacteria in the soil convert the various compounds of nitrogen present in the dead bodies of plants and animals back to
(a) nitrogen
(b) proteins
(c) nitrates and Nitrites
(d) living organisms
Option c – nitrates and Nitrites
Plants utilize carbon dioxide from the atmosphere in presence of sunlight to produce glucose during the process of photosynthesis. On the other hand, carbon dioxide is released into the atmosphere by living things during
(a) industrialization
(b) respiration
(c) combustion
(d) both respiration and combustion
Option d – both respiration and combustion
The three R’s referred to in context to save the environment are
(a) Reduce, Recycle and Reuse
(b) Refuse, Reduce and Reuse
(c) Remain, Relent and Repent
(d) Reinforce, Repair and Render
Option a – Reduce, Recycle and Reuse
Recycling of waste materials involves the steps of
(a) collecting all the waste material and bury under the soil.
(b) segregating the bio-degradable and nonbiodegradable material to dispose of separately.
(c) extracting fresh plastic, paper, glass, or metal from waste material.
(d) Both (2) and (3)
Option d – Both (2) and (3)
The most appropriate definition of a natural resource is that it is a substance/commodity that is
(a) present only on land.
(b) a gift of nature that is very useful to mankind.
(c) a man-made substance placed in nature.
(d) available only in the forest.
Option b – a gift of nature that is very useful to mankind
Loss of vegetation cover, diversion for high water-demanding crops, and pollution from industrial effluents and urban wastes have resulted in
(a) non-sustainability of water availability underground
(b) unpredictable rainfall
(c) neglect of local irrigation methods
(d) frequent floods
Option a – non-sustainability of water availability underground
Large dams are found to be useful as
(a) they ensure the storage of water for irrigation.
(b) generation of electricity.
(c) development of canal systems to distribute water to far-off places.
(d) All of these
Option d – All of these
The process of introgen-fixation by bacteria does not take place in the presence of
(a) the molecular form of hydrogen
(b) the elemental form of oxygen
(c) water
(d) the elemental form of nitrogen
Option b – the elemental form of oxygen
Choose the correct sequences
(a) CO₂ in the atmosphere → decomposers → organic carbon in animals → organic carbon in plants.
(b) CO₂ in the atmosphere organic carbon in plants → organic carbon in animals → inorganic carbon in the soil.
(c) Inorganic carbonates in water organic carbon in plants → organic carbon in animals → scavengers.
(d) Organic carbon in animals → decomposers → CO₂ in the atmosphere →organic carbon in plants.
Option b – CO₂ in the atmosphere organic carbon in plants → organic carbon in animals → inorganic carbon in the soil
The ozone layer is getting depleted because of
(a) excessive use of automobiles.
(b) excessive formation of industrial units.
(c) excessive use of man-made compounds containing both fluorine and chlorine.
(d) excessive deforestation.
Option c – excessive use of man-made compounds containing both fluorine and chlorine
What happens when rain falls on soil without vegetational cover?
(a) Rainwater percolates in soil efficiently.
(b) Rainwater causes loss of surface soil.
(c) Rainwater leads to the fertility of the soil.
(d) Rainwater does not cause any change in the soil.
Option b – Rainwater causes loss of surface soil
International and national laws and regulations regarding the environment and resources are being formulated for
(a) sustenance of resources
(b) conservation of the environment
(c) increased awareness about the problems
(d) All of these
Option d – All of these
Seniors usually ask you to switch off fans and lights while going out. Which ‘R’ is being suggested by them?
(a) Reduce
(b) Repair
(c) Render
(d) Refuse
Option a – Reduce
Management of resources has become necessary so that
(a) the resources are used with long-term perspectives.
(b) the resources are distributed equitably between the rich and poor.
(c) the wastes are disposed of in a safe and environment-friendly manner.
(d) All of these
Option d – All of these
Forests are far away from the cities and we hardly ever visit them, still, they are important as
(a) many resources are available in the forests.
(b) bio-diversity in the forests helps in maintaining ecological balance.
(c) local people use the forests for grazing their animals.
(d) those listed above are just a few advantages of forests.
Option d – those listed above are just a few advantages of forests
We are getting a large number of items for daily consumption in disposable packing. Is it possible to save the environment by not throwing them immediately after use?
(a) Yes, they can be used to store things in the kitchen
(b) Yes, we can use our innovative ideas to utilize them
(c) Yes, we can give them to others who are in need of them
(d) All of these
Option d – All of these
Ignorance of local knowledge and local needs in forest management practices has led to the
(a) conversion of vast tracts of forests to a monoculture of pine, teak, and eucalyptus
(b) extinction of wildlife and several species
(c) both (1) and (2)
(d) none of these
Option c – both (1) and (2)
Construction of big dams, though useful still draws flak from society
(a) displacement of a large number of peasants and tribes without compensation leads to social problems.
(b) expenditure of huge amounts of public money without proportional benefits causes economic problems.
(c) deforestation and loss of biodiversity result in environmental problems.
(d) All of these
Option d – All of these
Increased fuel efficiency and reduced air pollution can be affected by ensuring
(a) complete combustion in internal combustion engines
(b) avoiding the use of machines
(c) adhering to emission norms in automobiles but ignoring elsewhere
(d) All of these
Option a – complete combustion in internal combustion engines
The term “water pollution” can be defined in several ways. Which of the following statements does not give the correct definition?
(a) The addition of undesirable substances to water bodies.
(b) The removal of desirable substances from water bodies.
(c) A change in the pressure of the water bodies.
(d) A change in temperature of the water bodies.
Option c – A change in the pressure of the water bodies
The laws, rules, and regulations will be more effective in allowing everyone to reap the benefits of development
(a) if we adjust our requirements individually
(b) if we adjust our requirements collectively
(c) if adjust both individually and our requirements collectively
(d) even if we do not adjust our requirements
Option c – if adjust both individually and our requirements collectively
Khadins, Bundhis, Ahars, and Katta are ancient structures that are examples for
(a) grain storage
(b) wood storage
(c) water harvesting
(d) soil conservation
Option c – water harvesting
Many molecules essential to life like proteins, nucleic acids, and vitamins, or biologically essential compounds like alkaloids and urea contain
(a) nitrogen
(b) hydrogen
(c) oxygen
(d) water
Option a – nitrogen
Nitrogen-fixing bacteria are usually found in
(a) soil
(b) the atmosphere
(c) some species of dicot plants and the root nodules present in the roots of legumes
(d) None of these
Option c – some species of dicot plants and the root nodules present in the roots of legumes
Adding iron to the ocean might
(a) cause algal blooms, thus reducing levels of atmospheric carbon dioxide
(b) increase the productivity of the oceans, providing more food for people
(c) upset the balance within this delicate ecosystem
(d) All of these are correct
Option d – All of these are correct
Soil erosion can be prevented by
(a) afforestation
(b) deforestation
(c) overgrazing
(d) removal of vegetation
Option a – afforestation
Which of the following is not the function of the forest?
(a) It is used to make paper.
(b) Resin, gum, and drugs are obtained.
(c) Controls flood.
(d) Causes soil erosion.
Option d – Causes soil erosion
Which of the following bacteria is found in Ganga water?
(a) Coliform bacteria
(b) Streptococcus bacteria
(c) Staphylococcus bacteria
(d) Diplococcus bacteria
Option a – Coliform bacteria
Pick the most appropriate statement ( Class 7 GEO CH 1 MCQ )
(a) Soil erosion cannot be prevented by the roots of plants.
(b) Bare topsoil provides space for vegetation.
(c) Vegetative cover on the ground helps in the percolation of water into deeper layers.
(d) Large-scale deforestation limits biodiversity.
Option d – Large-scale deforestation limits biodiversity
The water cycle gets complicated because ( Class 7 GEO CH 1 MCQ )
(a) water dissolves many minerals and nutrients.
(b) some of the water that falls as rain seeps into the soil and becomes part of an underground reservoir of fresh water.
(c) water is used by terrestrial animals and plants for carrying out their life processes.
(d) Both (2) and (3)
Option d – Both (2) and (3)
We covered all the class 7 geo ch 1 MCQ above in this post for free so that you can practice well for the exam.
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