Class 10 Resources and Development Important Questions and Answers:
Q1.Which one of the following human activities has contributed most in land degradation ?
Options
(a) Deforestation
(b) Overgrazing
(c) Mining
(d) Over-irrigation
Ans.(a)
Explanation:
Some human activities such as deforestation, overgrazing, mining and quarrying too have
contributed significantly in land degradation.
Q2.Which among the following is NOT a problem of resource development ?
Options
(a) Depletion of resources for satisfying the greed of few individuals.
(b) Accumulation of resources in a few hands.
(c) Indiscriminate exploitation of resources.
(d) An equitable distribution of resources.
Ans.(d)
Explanation:
Problems for resource development are :-
• Depletion of resources for satisfying the greed of a few individuals.
• Accumulation of resources in few hands, which, in turn, divided the society into two segments
i.e. haves and have nots or rich and poor.
• Indiscriminate exploitation of resources.
Q3. Mention any three features of arid soils.
Explanation:
Features of arid soils :
(i) Arid soils range from red to brown in colour and have a sandy texture.
(ii) They are saline in nature. Due to the presence of dry climate and high temperature,
evaporation occurs at a faster rate. Hence, this soil lacks humus and moisture.
(iii) Arid soils contain a considerable amount of soluble salts and owing to dry climate and lack
of vegetation, contain a low percentage of organic matter too.
Q4. Describe the importance of judicious use of resources.
Explanation:
The importance of judicious use of resources are given below :
(i) Resource planning : Planning is an important step in a country like India where resources are
enormously diverse for judicious use of resources. It provides economically viable and sustainable
solutions to the issues related to resources and serves efficiently and effectively.
(ii) Management resources : The proper management is vital for the efficient and sustainable use
of resources. The proper management of resources successfully links the human and resources
resulting in its judicious use.
(iii) Awareness : The awareness plays an important role in planning, management and use of
resources. It is an responsibility of an individual to affectionately plan and manage their local
resources and should manage and harness them in the sustainable and best possible way like a
vacant piece of community land that can be brought under use by building parks, gardens, etc.
Q5.What is meant by ‘resources’? Mention the four basis to classify the resources.
Solution:
Everything available in our environment which can be used to satisfy our needs is called a
Resource. Resources are technologically accessible, economically feasible and culturally
acceptable. Examples are coal, minerals, forest, land, water, fossil fuels etc.
Resources                 are               classified                as                follows                :
(i)                On                   the                  basis                   of                  origin
(a)         Biotic           :        living            resources            like           plants          etc.
(b) Abiotic : Non living resources like solar energy, land etc.
(ii)              On                the                  basis                of                 exhaustibility
(a)    Renewable        :      Which      can       be     recreated       like     solar       energy     etc.
(b)    Non-Renewable           :   Which          cannot      be     recreated       like      fossil    fuels.
(iii)              On                 the                  basis                 of                 ownership
(a)     Individual         (Personal)        :      Owned          by       an        individual       person.
(b)        Community             :        Owned            by         the         whole            community.
(c)            National             :               Owned               by               a            country.
(d)           International            :            Accessed              by             all           nations.
(iv)         On           the         basis            of          status           of           development.
(a) Potential : Resources which are found in a region, but have not been utilised.
(b) Developed : Which are surveyed and quality and quantity shows the utilisation.
(c)    Reserve      :    Which      can        be    used      for     meeting       future      requirements.
(d) Stock : Which can not be used due to the lack of appropriate technology to use these resources.