Maharashtra Board Class 5 EVS Part 1 Chapter 11 Our Home and Environment Solutions

5th Standard EVS 1 Lesson Number 11 Question Answer Our Home And Environment Maharashtra Board

Std 5 EVS 1 Chapter 11 Question Answer

Use Your Brain Power?

Question 1. For what purpose do birds use their nest.
Answer: Birds use their nest to lay their eggs and bring up their young ones. This provides a safe and warm place for their offspring to grow.
In simple words: Birds build nests to lay their eggs and protect their babies until they are old enough to fly on their own.

🎯 Exam Tip: When asked about the purpose of animal structures, always mention both the immediate use (laying eggs) and the broader goal (raising young safely).

What's The Solution?

Question 1. What can we do to build houses without harming the environment?
Answer: To build houses without harming the environment we can build permanent eco-friendly houses where we have good ventilation and use non exhaustible sources of energy. Such houses are designed to minimize their ecological footprint.
In simple words: We can build eco-friendly houses with good airflow and use renewable energy sources to avoid harming nature.

🎯 Exam Tip: When discussing environmental solutions, always mention both sustainable building practices (like ventilation) and renewable energy sources to show a comprehensive understanding.

Question 1(a). Which of the following houses would be suitable in a mountainous region. Put a ✓ in the appropriate box. Give reasons for selecting that house.
Answer: The house in the top-left box, which is made of stone and has a sloped roof, is suitable. This house is made of natural material available in the mountainous region, that is stone, it is strong to withstand mountainous winds. The sloped roof also helps snow slide off easily.
In simple words: A strong stone house with a sloped roof is best for mountains because it uses local materials and can handle strong winds and snow effectively.

🎯 Exam Tip: When asked to select a suitable structure, always identify the specific features that make it appropriate for the given environment and explain the benefits of those features.

Question 1(b). What materials will you mainly use for building a multi-storeyed house?
(a) Mortar / Coal / Cement / Bricks
(b) Cement / Bricks / Cotton / Iron
(c) Iron / Cement / Mortar / Bricks
Answer: (c) Iron / Cement / Mortar / Bricks
In simple words: For tall buildings, you need strong materials like iron for the frame, cement and mortar to bind everything, and bricks for the walls.

🎯 Exam Tip: Remember that multi-storeyed buildings require materials that provide both strength (iron, cement) and structural integrity (mortar, bricks) to ensure stability and durability.

Question 1. Arrange the following considerations from the most to least important factor in house building:
(a) Luxury
(b) Structure
(c) Climate
Answer: The considerations, arranged from most to least important factor in house building, are:
(a) Climate
(b) Structure
(c) Luxury
In simple words: When building a house, first think about the weather, then how strong it will be, and finally, the fancy extras.

🎯 Exam Tip: When asked to rank factors, always consider safety and essential needs before aesthetics or comfort. Climate and structure are fundamental for any building.

Write the Following:

Question (a) List the eco-friendly things in your house.
Answer: Things made of mud like an earthen water pot are eco-friendly. Other examples could include reusable bags, LED lights, and plants.
In simple words: Eco-friendly things are items in your house that are good for the environment, like a clay pot for water.

🎯 Exam Tip: For "personal response" questions, provide a specific example and then briefly mention other possibilities to show broader understanding.

Question (b) Which of the gadgets in the house can be run on solar energy?
Answer: Gadgets in the house that can be run on solar energy include a solar calculator and a solar cooker. Other examples are solar lamps and solar water heaters.
In simple words: Solar-powered gadgets use sunlight to work, like a calculator or a cooker that runs on solar energy.

🎯 Exam Tip: When asked to list items, provide the ones given in the source and add one or two more relevant examples to demonstrate comprehensive knowledge.

Question 1. What are the types of pollution that can be observed at a construction site?
Answer: The types of pollution that are seen at a construction site are air, water, soil, and noise. Construction activities often generate dust, chemical runoff, waste, and loud sounds.
In simple words: At a construction site, you can see pollution like dusty air, dirty water, messed-up soil, and loud noises.

🎯 Exam Tip: When listing types of pollution, try to briefly explain how each type occurs in the given context (e.g., dust for air pollution at a construction site).

Make Friends With Maps!

Question 1. Observe the map and the pictures and complete the following chart.
Answer:

🎯 Exam Tip: When completing charts, pay close attention to each column's specific requirement and ensure your answers align with the characteristics of the given region.

Try This

Question 1. Complete the table given below regarding the original source.
Answer: The answer for this question is not provided in the source material.
In simple words: This question asks you to fill in a table based on information from the original source, which helps organize details about a topic.

🎯 Exam Tip: For questions asking to complete a table, carefully read the column headers and fill in the corresponding information from the provided text or context.

Environmental Studies Part 1 Standard 5th Solutions Chapter 11 Our Home And Environment Additional Important Questions And Answers

1. Fill In The Blanks With The Correct Answers From The Options Given Below:

Question 1. A section of our society becomes homeless this is a ............ problem.
(a) political
(b) social
(c) economic
Answer: (b) social
In simple words: When people lose their homes, it affects the community and society as a whole, making it a social issue.

🎯 Exam Tip: Understand the difference between political, social, and economic problems to correctly identify the type of issue described in the question.

Question 2. Houses are built in large numbers due to increasing ................... .
(a) population
(b) natural resources
(c) land
Answer: (a) population
In simple words: As more people are born or move into an area, there's a greater need for places to live, leading to more houses being built.

🎯 Exam Tip: Relate the demand for housing directly to the number of people needing homes; population growth is the primary driver.

Question 3. Glass is made from ................................. .
(a) soil
(b) limestone
(c) sand
Answer: (c) sand
In simple words: Glass is primarily made from sand, which is melted down and then shaped.

🎯 Exam Tip: Remember that sand is the main ingredient for making glass. Knowing common materials and their uses is important for general knowledge questions.

Question 4. The city of Mumbai comprises of ................................. islands.
(a) 6
(b) 7
(c) 8
Answer: (b) 7
In simple words: Mumbai was originally formed by joining together seven separate islands.

🎯 Exam Tip: Historical facts about cities, like their formation or key features, are often asked. Memorize the number of islands that formed Mumbai.

Question 5. Land obtained by filling water bodies is called ................................. .
(a) coastal lands
(b) reclaimed land
(c) marshy lands
Answer: (b) reclaimed land
In simple words: When people fill in parts of the sea or lakes to create new land, it's called reclaimed land.

🎯 Exam Tip: Understand the term 'reclaimed land' as it's a key concept in geography and urban development, especially for cities built near water.

Question 6. People build houses to suit the ................................. of their region.
(a) climate
(b) population
(c) situation
Answer: (a) climate
In simple words: Houses are designed differently in various places to protect people from the local weather, like heat, cold, or rain.

🎯 Exam Tip: Always consider how environmental factors like climate influence human activities and structures. This is a fundamental concept in social studies.

Question 7. Water, food, clothing and shelter are the basic ................................. of every human being.
Answer: Water, food, clothing and shelter are the basic needs of every human being. These are essential for survival and well-being.
In simple words: Everyone needs water, food, clothes, and a place to live to survive and be healthy.

🎯 Exam Tip: This is a classic fill-in-the-blank question about fundamental human requirements. Remember the term "basic needs" for such contexts.

Question 8. The .......................... of the world is increasing all the time.
(a) time
(b) population
(c) water
Answer: (b) population
In simple words: The number of people living in the world is constantly growing.

🎯 Exam Tip: When filling in blanks, consider which word logically completes the sentence based on common knowledge about global trends.

Question 9. Shortage of .......................... land, leads to forest land being used for agriculture.
(a) agricultural
(b) geographical
(c) water
Answer: (a) agricultural
In simple words: When there isn't enough land suitable for farming, forests are often cut down to create new farmland.

🎯 Exam Tip: Understand the cause-and-effect relationship described in the question. A shortage of one type of land directly impacts the use of another.

Question 10. Trees are .......................... in great numbers and forests are reduced.
(a) watered
(b) fellect
(c) grown
Answer: (b) fellect
In simple words: Many trees are cut down, which causes forests to shrink in size.

🎯 Exam Tip: Pay close attention to vocabulary. Even if a word seems unusual (like 'fellect' which is likely a typo for 'felled'), choose the option that best fits the context of reducing forests.

Question 12. Energy is produced using natural ................................. like coal, natural gas or mineral oil.
(a) trees
(b) fuels
(c) minerals
Answer: (b) fuels
In simple words: Natural fuels like coal, natural gas, and mineral oil are burned to create energy, powering many things we use daily.

🎯 Exam Tip: Remember that natural fuels are a primary source of energy, and their combustion is a key process in energy generation.

Question 13. Burning of natural fuels leads to ................................. pollution.
(a) air
(b) water
(c) land
Answer: (a) air
In simple words: When natural fuels are burned, they release harmful gases and particles into the atmosphere, causing air pollution.

🎯 Exam Tip: Focus on the direct environmental impact of burning fuels; air pollution is the most immediate and widespread consequence.

Question 14. ................................. or ................................. energy are non-exhaustible sources of energy.
(a) air
(b) wind
(c) solar
Answer: (b) wind & (c) solar
In simple words: Wind and solar energy are called non-exhaustible because they come from natural processes that constantly renew themselves, unlike fossil fuels.

🎯 Exam Tip: When identifying non-exhaustible (renewable) sources, think about resources that are naturally replenished, such as sunlight and wind, which are always available.

Name The Following

Question 1. Government provides shelter for homeless in cities.
Answer: Night shelters are facilities provided by the government to offer temporary housing and protection for homeless individuals, especially during cold nights. These shelters play a crucial role in urban welfare.
In simple words: The government provides night shelters to give homeless people a safe place to stay, especially in cities.

🎯 Exam Tip: When asked about government provisions, identify the specific service or facility and briefly explain its purpose for full marks.

Question 2. Source from which cement is made.
Answer: Limestone is the primary raw material used in the production of cement, a crucial building material.
In simple words: Cement is mainly made from limestone, which is a common rock.

🎯 Exam Tip: Remember key raw materials for common industrial products like cement; it's a frequent general knowledge question.

Question 3. Natural fuels
Answer: Coal, natural gas, and mineral oil are all examples of natural fuels, formed over millions of years from organic matter.
In simple words: Natural fuels are things like coal, natural gas, and oil that come from the earth and can be burned for energy.

🎯 Exam Tip: When asked for examples, try to list at least three distinct items to show comprehensive knowledge.

Question 4. Pollution caused by burning fuel.
Answer: Burning fuel primarily causes air pollution, releasing harmful gases and particles into the atmosphere.
In simple words: When we burn fuel, it mostly pollutes the air with smoke and bad gases.

🎯 Exam Tip: Be precise with the type of pollution; burning fuel can also cause water or soil pollution indirectly, but air is the most direct and significant impact.

Question 5. Non exhaustible sources of energy.
Answer: Solar energy, Wind energy, and Biogas are excellent examples of non-exhaustible sources of energy, meaning they can be replenished naturally.
In simple words: Non-exhaustible energy sources are those that won't run out, like power from the sun, wind, or biogas.

🎯 Exam Tip: Differentiate clearly between renewable (non-exhaustible) and non-renewable (exhaustible) energy sources, as this is a fundamental concept.

Question 6. Two continents having water tourism
Answer: Europe and North America are two prominent continents known for their extensive water tourism activities, including cruises, beaches, and water sports.
In simple words: Europe and North America are two places where many people go for holidays involving water, like beaches or boat trips.

🎯 Exam Tip: When listing geographical examples, ensure they are distinct and relevant to the question asked.

Question 3. Complete the co-relation:
Answer:
1. Mountainous region: Sloping roof:: Plain: Flat roof. This co-relation highlights how geographical features influence architectural design.
2. Cement: Limestone :: Bricks : Soil. This shows the primary raw material for each building component.
3. Coal: Exhaustible energy:: Solar energy: Non exhaustible energy. This comparison distinguishes between finite and renewable energy sources.
In simple words: Co-relations show how things are connected; for example, sloping roofs are for mountains, and flat roofs are for plains.

🎯 Exam Tip: For co-relation questions, identify the relationship between the first pair and apply the same logic to complete the second pair accurately.

Answer In One Sentence

Question 1. What are the different things from which a house gives us protection?
Answer: A house gives us protection from various elements such as rain, wind, sun, cold, heat, and also from wild animals and thieves, providing a safe shelter.
In simple words: A house protects us from bad weather like rain and sun, and also keeps us safe from animals and people who might harm us.

🎯 Exam Tip: When listing protections, think broadly about environmental factors and safety concerns that a dwelling addresses.

Question 2. Where do homeless people live?
Answer: Homeless people seek shelter at the roadside, on footpaths, under bridges, in tumble down buildings, in railway or bus stations and open grounds. Homelessness is a complex issue, often linked to economic hardship.
In simple words: Homeless people live in various public places like roadsides, under bridges, or in abandoned buildings because they don't have a home.

🎯 Exam Tip: When asked about locations, list as many specific examples as possible from the text to score full marks.

Question 3. What is water tourism?
Answer: In the coastal region, where under water shelters are built for tourist to view the sea bed and marine life is called water tourism. This unique form of tourism allows people to experience the underwater world without getting wet.
In simple words: Water tourism is when special underwater places are built in coastal areas for visitors to see the seabed and sea creatures.

🎯 Exam Tip: Define terms clearly and include key characteristics like the location and purpose of the activity.

Question 4. Why are many people forced to be 'homeless'?
Answer: Many people are forced to be 'homeless' because they have insufficient or no means of livelihood. Lack of stable income makes it impossible for them to afford housing.
In simple words: People become homeless because they don't have enough money or a job to support themselves and pay for a home.

🎯 Exam Tip: Focus on the root cause (lack of livelihood) when explaining social issues like homelessness.

Question 5. What are the basic needs of every human being?
Answer: Water, food, clothing and shelter are the basic needs of every human being. These fundamental requirements are essential for survival and well-being.
In simple words: The most important things all humans need to live are water, food, clothes, and a place to live (shelter).

🎯 Exam Tip: Remember the four fundamental needs: water, food, clothing, and shelter, as they are universally recognized.

Question 6. Why are houses being built in large numbers?
Answer: The population of the world is increasing all the time. That is why, houses are being built in large numbers. This rapid construction aims to accommodate the growing number of people needing places to live.
In simple words: More houses are being built because the world's population is constantly growing, and everyone needs a place to live.

🎯 Exam Tip: Link population growth directly to the increased demand for housing when explaining construction trends.

Question 7. What are the ill-effects of urbanization on land?

Question 8. Why are trees felled?
Answer: Shortage of agricultural land leads man to cut down forests and use the land for agriculture. This practice often leads to ecological imbalances.
In simple words: Trees are cut down because there isn't enough land for farming, so people clear forests to grow crops.

🎯 Exam Tip: When explaining environmental issues, always link the cause (e.g., land shortage) to the effect (e.g., deforestation) and potential consequences.

Question 9. From where do we get energy?
Answer: We get energy by using natural fuels like coal, natural gas or mineral oil. These are essential for various industrial and domestic needs.
In simple words: We get energy from natural sources like coal, natural gas, and oil, which are used to power many things.

🎯 Exam Tip: Remember to list specific examples of natural fuels when asked about energy sources to show comprehensive knowledge.

Question 10. What ill-effects do we face when we use natural fuels?
Answer: Using natural fuels not only leads to its exhaustion but also to air pollution. This pollution can have serious impacts on human health and the environment.
In simple words: Using natural fuels causes two main problems: they run out, and they pollute the air, which is bad for us and the planet.

🎯 Exam Tip: When discussing ill-effects, always mention both resource depletion and environmental pollution as key points for natural fuels.

Question 11. Which are non-exhaustible sources of energy?
Answer: Solar energy and wind energy are non-exhaustible sources of energy. These renewable sources are crucial for a sustainable future.
In simple words: Solar energy (from the sun) and wind energy are non-exhaustible, meaning they will not run out.

🎯 Exam Tip: For questions about non-exhaustible sources, always provide examples like solar and wind energy, emphasizing their renewable nature.

Give Reasons:

Question 1. Differences occur in the construction of houses according to the regions.
Answer: There are differences in the construction of houses according to the region because :
1. People build houses to suit the climate of the region.
2. Using the natural resources that are available. This adaptation ensures comfort and durability.
In simple words: Houses are built differently in various places because people adapt them to the local weather and use materials found nearby.

🎯 Exam Tip: When explaining regional differences in housing, focus on climate adaptation and the use of local resources as primary factors.

Question 2. Many people are forced to be 'homeless'.
Answer: Many people are forced to be 'homeless' due to various socio-economic factors such as poverty, lack of affordable housing, unemployment, and natural disasters. Addressing these root causes is essential for societal well-being.
In simple words: People become homeless because of problems like not having enough money, no affordable places to live, losing their jobs, or losing their homes in disasters.

🎯 Exam Tip: When discussing homelessness, remember to mention key contributing factors like poverty, housing affordability, and unemployment to provide a comprehensive answer.

Question 3. Houses are being built in large numbers.
Answer: Houses are being built in large numbers because the population of the world is increasing all the time. This growth creates a constant demand for new housing.
In simple words: More houses are needed because the world's population is constantly growing.

🎯 Exam Tip: When explaining population-related issues, always link the cause (population increase) directly to the effect (increased demand for resources like housing).

Question 4. Forested land is reducing.
Answer: 1. Growing urbanization uses agricultural land to build roads and to raise settlements.
2. This leads to shortage of agricultural land.
3. So trees are felled in a great number to make use for agricultural purpose.
4. Therefore, forested land is reducing.
In simple words: Forested land is shrinking because cities are expanding, taking over farmland, and trees are cut down for agriculture.

🎯 Exam Tip: When listing reasons for environmental changes, ensure each point clearly explains a step in the process, showing a logical cause-and-effect chain.

Question 5. It is necessary to use non-exhaustible sources of energy.
Answer: 1. Natural fuels like coal, natural gas or mineral oil can be used only once.
2. They get consumed when we use them.
3. They also cause air pollution.
4. It takes lakhs of years for these resources to be formed in nature.
5. Therefore it is necessary to use non exhaustible sources of energy.
In simple words: We need to use energy sources that don't run out, like solar or wind, because fossil fuels are limited, cause pollution, and take millions of years to form.

🎯 Exam Tip: When discussing energy sources, highlight the key differences between exhaustible (finite, polluting) and non-exhaustible (renewable, cleaner) options to score well.

Answer Briefly:

Question 2. Why do people become homeless?
Answer: People become homeless because
1. Lack of affordable housing.
2. Poverty and unemployment.
3. Inadequate' income.
4. Natural disasters.
5. Physical and mental disorders. These factors often combine to create a challenging situation for individuals and families.
In simple words: People become homeless due to not having enough money for a home, losing jobs, low income, natural disasters, or health issues.

🎯 Exam Tip: When listing causes, try to categorize them (economic, social, environmental) to show a comprehensive understanding.

Question 3. What are the main uses of a house?
Answer: The main uses of a house are as follows:
1. A shelter.
2. A resting place.
3. Protection against the sun, wind, cold and rains.
4. Protection from wild animals and from anti-social elements. A house provides essential security and comfort for its occupants.
In simple words: A house provides shelter, a place to rest, and protection from weather, animals, and danger.

🎯 Exam Tip: Focus on the primary functions of a house, covering both physical safety and comfort, to score well.

Question 4. What is the government doing towards the 'homeless'?
Answer: 1. A section of society being 'homeless' is a social problem. Addressing this issue requires comprehensive government policies and support.
In simple words: Homelessness is a big social problem that governments need to solve.

🎯 Exam Tip: When a question asks about government actions, even if the provided answer is general, acknowledge the problem and imply the need for action.

Write Short Notes On:

Question 1. Characteristics of eco-friendly houses
Answer: The characteristics of eco-friendly houses are as follows:
1. Minimum consumption of natural resources.
2. Use of non exhaustible sources of energy such as biogas, wind energy and solar energy.
3. Recycling of water.
4. Recycling of garbage.
5. Avoiding artificial materials and artificial colours.
6. Provision for natural light and ventilation in the house. These features help reduce environmental impact and promote sustainable living.
In simple words: Eco-friendly houses are designed to use less natural resources, rely on renewable energy, recycle waste, avoid harmful materials, and allow natural light and air, making them good for the planet.

🎯 Exam Tip: When describing characteristics, list them clearly and concisely. Focus on how each point contributes to the "eco-friendly" aspect.

Question 2. Uses of a house
Answer: Uses of a house are as follows:
1. A shelter.
2. A resting place.
3. Protection against the sun, the wind, the cold and the rains.
4. Protection from wild animals.
5. Keeping ourselves safe from anti-sodal elements. A house provides essential security and comfort for daily life.
In simple words: A house gives us shelter, a place to rest, and keeps us safe from bad weather, wild animals, and dangerous people.

🎯 Exam Tip: When asked about the uses of something common, think about its basic functions and how it protects or benefits people in everyday life.

What's The Solution?

Question 1. Construction work is going on opposite Ajit's house. That means constant loud noise

and a lot of dust in the air. Ajit and his family have to suffer this all the time. What can Ajit do to find a way out of this problem?
Answer: Ajit and his family will have to keep their windows closed to avoid the dust and noise. They should use ear plugs when the noise is intense. This will help them manage the environmental challenges effectively.
In simple words: Ajit and his family should close their windows to block dust and noise, and use earplugs when the noise is very loud.

🎯 Exam Tip: When suggesting solutions to problems, always provide practical and actionable advice that directly addresses the issues mentioned in the scenario.

Glossary

1. forested - covered with forests
2. urbanization – population shift from rural to urban areas
3. reclaimed - recovered.
4. shortage - a state in which something cannot be obtained in sufficient amount
5. felled - cut down.
6. luxury - state of great comfort.
7. quarrying – cut into and obtain stone
8. inadequate – lacking the quantity required
9. consumption – action of using up a resource
10. artificial - made by human beings, not natural.

Class 5 Environmental Studies Questions and Answers