SST TEST 6 [answers]
SST
TEST 6 [answers]
FULL MARKS : 40
1. Under which of the following type of resource can
tidal energy be put?
(a) Replenishable
(b) Human-made
(c) Abiotic
(d) Non-recyclable
Ans. (a) Replenishable
2. What term is used for resources that can be recycled
but are non-renewable?
Ans. Recyclable resources
3. Give one example of a non-renewable resource.
Ans. Fossil fuels such as coal, petroleum
4. In which country was the first International Earth
Summit organized?
Ans. The first International Earth Summit
was in Brazil.
5. Some resources are surveyed and their quantity and
quality have been determined for utilization. What are they called?
Ans. Developed resources
6. Which relief feature of India has 30 per cent of the
total surface area of the country?
Ans. Mountain
7. Describe ‘Fallow land’ in one sentence.
Ans. The land left without cultivation for
one or less than one agricultural year is called fallow land.
8. Which agent of erosion is responsible for maximum land
degradation in India?
Ans. Water
9. In which state has mining caused severe land
degradation?
Ans. Jharkhand, Chhattisgarh, Madhya
Pradesh, and Odessa.
10. In what broad category do the soils of Maharashtra
fall?
Ans. Black Cotton Soil.
11. Do you think that resources are free gifts of nature
as is assumed by many? Justify your answer with any three suitable arguments.
Ans. (a) No, the resources are not the
free gifts of nature.
(b) (i) An these natural things are available on the earth
surface abundantly unless and until humans modify them into usable products.
(ii) Thus, with the value addition to these substances
through human intelligence, skill and technology resources are developed to
satisfy human needs.
(iii) Resources are a function of human activities. People
transform material available in our environment into resources and use them.
12. What is Agenda 21? List its two principles.
Ans. (a) It is the declaration signed by world
leaders in 1992 at the United Nations Conference on Environment and Development
(UNCED), which took place at Rio she Janeiro, Brazil. It aims at achieving
global sustainable development.
(b) The principles are:-
(i) It is an agenda to combat environmental damage, poverty
and disease through global co-operation on common interests, mutual needs and
shared responsibilities.
(ii) Secondly, every local government should draw its
own local Agenda
13. Whom did Gandhi make responsible for the depletion of
resources at the global level Explain any two reasons.
Ans. (a) Mahatma Gandhi made the humans’ greed
responsible for the depletion of resources at the global level. According to
him, the never satisfying nature of humans ails ways wants more from the
nature.
(b) (i) Moreover, when one demand is met, humans set another
demand of higher value. In this ever growing demand trap, the nature is
exploited and exhausted.
(ii) The -humans are not wise enough to reuse the available
resources and plan the resources judiciously. That is the reason there is so
much uneven distribution of resources in the world.
14. Explain any three purposes for which land resources
are used.
Ans. (i) We live on land by constructing houses.
(ii) Land supports natural vegetation and wild life.
(iii) On land we develop transport and communication system
by laying down roads and railway lines.
(iv) We cultivate land for growing various food crops and cash
crops.
(v) All the secondary (manufacturing) activities are
performed on land through various industries.
15. Why has the land under forests not increased much
from 1960-61?
Ans. (i) The land under the forest in India was
not increased much since 1960-61 because the fringes of the forest were
gradually been encroached by the agricultural sectors.
(ii) The ever growing population of India did not allow the
natural vegetation to grow and spread as growing population needs more food as
well as more areas for settlement.
(iii) After independence the government of India was busy
settling other socio-political and economic issues while forest development was
not taken seriously.
16. How many types of resources our country has on the
basis of ownership? Give at least one example for each
type.
Ans. (a) Everything which can be used to satisfy
our needs, provided it is technologically accessible, economically feasible and
culturally acceptable can be termed as ‘resource’.
(b) Classification of resources on the basis of ownership:
(i) Individual: Privately owned like land,
house, well, pond, etc.
(ii) Community: Accessible to all members of the
community, like village commons, grazing grounds, parks, playgrounds, etc.
(iii) National: They belong to the nation, like
minerals, water resources, forests, wildlife, etc.
(iv) International: They are regulated by
international institutions, like oceanic resources beyond 200 nautical miles of
the Exclusive Economic Zone.
17. Explain major problems caused by indiscriminate use
of resources.
Ans. (i) Resources have been depleted for
satisfying the greed of a few individuals.
(ii) The resources get accumulated in a few hands, which in
turn, divide the society into two segments, i.e., haves and have knots or rich
and poor.
(iii) Indiscriminate exploitation of resources has led to
global ecological crises such as global warming, ozone layer depletion,
environmental pollution and land degradation.
(iv) Human activities like deforestation,
over-grazing, construction and mining have led to soil erosion.
(v) Mining sites are abandoned after excavation work is
complete leaving deep scars and traces of over-burdening.
18. Explain the role of human in resource development.
Ans. (i) Human beings should not use the
resources indiscriminately. It has led to global ecological crisis such as
global warming, ozone layer depletion, environmental pollution and land
degradation.
(ii) Resources should not be allowed to accumulate in a few
hands. it dived into two segments, i.e. , haves and have notes or rich and
poor.
(iii) Resource planning should be done for sustainable
development. It means development should take place without damaging the
environment, and development in the present should not compromise with the
needs of the future generations.
(iv) Conservation of resources should be given priority
because they are vital for developmental activity
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