4.5 - EXERCISES
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Introduction to Water Resources
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Today we will begin with understanding water resources. What do you think makes water a crucial resource for India?
Water is essential for agriculture since most of our population relies on farming.
And it’s also important for drinking and industrial use!
Exactly! Water is vital for multiple sectors including agriculture, industry, and domestic consumption. Can anyone tell me how much of the Earth's surface is covered by water?
Around 71 percent!
Correct! However, only a small fraction is freshwater. Remember, it's about 3 percent. Let's recap—water is crucial for life, and understanding its significance can aid in better management and conservation.
Introduction & Overview
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Quick Overview
Standard
The section provides exercises aimed at evaluating understanding of water resources, their management, and the implications of scarcity in India. It encompasses multiple-choice, short answer, and reflective questions to reinforce learners' grasp on important concepts introduced in the chapter.
Detailed
Detailed Summary
This section comprises a series of exercises designed to solidify the learner's understanding of water resources and their management in India. Each exercise challenges students to recall and apply the knowledge acquired regarding water distribution, usage, and the socio-economic implications of water scarcity.
The questions cover various aspects such as the types of water resources, the geographical distribution across states, and the impact of over-exploitation and pollution on water quality. Students are encouraged to engage with the material through reflective and analytical questions, offering opportunities to delve deeper into issues of conservation and sustainable practices. Finally, the exercises elicit critical thinking about the societal effects of water disputes and the importance of integrated water management strategies, reinforcing key takeaways from the preceding discussions in the chapter.
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Types of Water Resources
Chapter 1 of 3
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Chapter Content
- Choose the right answers of the following from the given options.
(i) Which one of the following types describes water as a resource?
(a) Abiotic resource (c) Biotic Resource
(b) Non-renewable Resources (d) Non-cyclic Resource
(ii) Which one of the following south Indian states has the highest groundwater utilisation (in per cent) of its total ground water potential?
(a) Tamil Nadu (c) Andhra Pradesh
(b) Karnataka (d) Kerala
(iii) The highest proportion of the total water used in the country is in which one of the following sectors?
(a) Irrigation (c) Domestic use
(b) Industries (d) None of the above
Detailed Explanation
This chunk presents three multiple-choice questions related to water resources. Each question tests knowledge about the classification of water, regional groundwater utilization, and sectoral water usage in India.
- The first question asks about the classification of water. It helps students understand whether water is an abiotic (non-living), biotic (living), non-renewable, or cyclic resource.
- The second question focuses on the state in India with the highest groundwater utilization, allowing students to recognize the geographical differences in resource use.
- The third question asks which sector uses the most water in the country—highlighting the importance of irrigation in Indian agriculture compared to other sectors.
Examples & Analogies
Think about water as a resource like money. Just like different people earn different amounts and spend their money differently, different regions and sectors use water in varied ways depending on their needs. The multiple-choice questions remind us to consider where our resources come from and how they are used effectively.
Short Answer Questions
Chapter 2 of 3
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Chapter Content
- Answer the following questions in about 30 words.
(i) It is said that the water resources in India have been depleting very fast. Discuss the factors responsible for depletion of water resources?
(ii) What factors are responsible for the highest groundwater development in the states of Punjab, Haryana, and Tamil Nadu?
(iii) Why the share of agricultural sector in total water used in the country is expected to decline?
(iv) What can be possible impacts of consumption of contaminated/unclean water on the people?
Detailed Explanation
This chunk consists of four short-answer questions that require concise explanations.
- The first question prompts students to think critically about the causes of water depletion, such as overuse, pollution, and climate change.
- The second question encourages exploration of why certain states develop groundwater more such as agriculture reliance and technological improvements.
- The third question addresses future trends where agricultural needs might reduce due to urbanization and industrial use of water.
- The fourth question invites discussion on health issues like waterborne diseases caused by unclean water.
Examples & Analogies
Imagine a restaurant where patrons only drink water. If too many people dine at the restaurant and order water, sooner or later, the well will run dry, or the water will become contaminated, affecting the health of everyone. This analogy illustrates how overconsumption and contamination of water resources can have serious consequences.
Long Answer Questions
Chapter 3 of 3
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Chapter Content
- Answer the following questions in about 150 words.
(i) Discuss the availability of water resources in the country and factors that determine its spatial distribution?
(ii) The depleting water resources may lead to social conflicts and disputes. Elaborate it with suitable examples?
(iii) What is watershed management? Do you think it can play an important role in sustainable development?
Detailed Explanation
This chunk includes more complex, long-answer questions that ask students to elaborate on significant topics.
- The first question requires students to analyze the distribution of water resources across India based on geography, climate, and human impact.
- The second question discusses potential social issues arising from water scarcity, such as conflicts between agricultural and urban water users.
- The third question encourages discussion about the concept of watershed management and its potential to foster sustainable practices that balance water use across communities.
Examples & Analogies
Consider a small town where the only water source is a shared well. If one household starts taking more than their fair share, it could leave others without adequate water, leading to arguments and community strife. This scenario helps students understand how unequal access to water can cause issues, showing the importance of management practices that ensure equity.