Maharashtra Board Class 5 EVS Part 1 Chapter 12 Food for All Solutions

5th Standard EVS 1 Lesson Number 12 Question Answer Food For All Maharashtra Board

Std 5 EVS 1 Chapter 12 Question Answer

1. What's The Solution?

Question 1. The plant in the pot is not growing well.
Answer: Pesticides must be sprayed and manure should be added to the soil, then the plant in the pot will grow. This combination helps provide the necessary nutrients and protection for healthy growth.
In simple words: To make the plant grow better, you need to use pesticides to keep bugs away and add manure to the soil to give it food.

🎯 Exam Tip: For 'What's the solution?' questions, identify the problem and provide practical, actionable steps as the solution.

Use Your Brainpower!

Question 1. What is the purpose of storing foodgrain in our house?
Answer: We store food in our house so that we have food to suffice when food is not available or there is a shortage, or during difficult times like floods, famine or earthquakes. Storing food properly ensures food security for the family.
In simple words: We store food to make sure we have enough to eat when fresh food is scarce or during emergencies like natural disasters.

🎯 Exam Tip: For descriptive answers, clearly state the main purpose and provide examples of situations where it's needed.

Find And Correct The Incorrect Statements:

Question (a) There is only one method of farming.
Answer: Incorrect, lot of improvised methods are brought about through research. Modern agriculture constantly evolves with new techniques.
In simple words: This statement is wrong because farming methods are always changing and improving due to new discoveries.

🎯 Exam Tip: When correcting statements, clearly state "Incorrect" or "Correct" first, then provide the accurate information.

Question (b) India is an agricultural country.
Answer: Correct. Agriculture plays a vital role in India's economy and provides livelihoods for a large population.
In simple words: This statement is correct because farming is a very important part of India's economy and way of life.

🎯 Exam Tip: For true/false or correct/incorrect statements, always provide a brief justification or expansion of the correct fact.

Question (c) Use of improved seeds does not lead to higher yields.
Answer: Incorrect, use of improved seeds leads to higher yield. These seeds are specifically bred for better performance.
In simple words: This statement is wrong because better seeds are designed to produce more crops from the same land.

🎯 Exam Tip: Remember that improved seeds are a key factor in increasing agricultural productivity and food supply.

Answer The Following:

Question (a) What are the advantages of using improved seeds?
Answer: 1. Nowadays, improved seeds are developed through research. This scientific advancement helps farmers significantly.
2. These seeds have a higher yield and can resist pest attacks.
3. Some varieties of these seeds become ripe for harvesting in a shorter period while some give a higher yield even with a low supply of water.
In simple words: Improved seeds are better because they are developed scientifically, produce more crops, fight off pests, and can grow faster or with less water.

🎯 Exam Tip: When listing advantages, use clear, concise points. Focus on benefits like increased yield, disease resistance, and adaptability.

Question (b) Which are the modem methods of irrigation? What are their advantages?
Answer:1. Drip irrigation and sprinkle irrigation are the two modem methods of irrigation. These modern techniques are crucial for sustainable agriculture, especially in regions with water scarcity. 2. These methods ensure that the required amount of water drips only near the plants. 3. Thus, full use is made of the available water and there is no wastage.
In simple words: Modern irrigation methods like drip and sprinkle systems deliver water directly to plants, saving water and ensuring plants get just enough.

🎯 Exam Tip: When asked about methods and advantages, list both clearly and concisely.

Question (c) Describe the 'Drip irrigation' method.
Answer:1. The 'Drip irrigation' method makes use of pipes with holes. This precise water delivery system minimizes evaporation and runoff, making it highly efficient. 2. This ensures that the required amount of water drips only near the plants. 3. This method makes full use of the water available without wasting it.
In simple words: Drip irrigation uses pipes with small holes to slowly drip water right at the base of each plant, preventing water loss.

🎯 Exam Tip: When describing a method, explain how it works step-by-step and highlight its key benefits.

Question (d) What are the reasons due to which growing crops are damaged?
Answer: Diseases and pest attacks are the reasons due to which growing crops are damaged. Environmental factors like extreme weather and nutrient deficiencies can also contribute to crop damage.
In simple words: Crops get damaged mainly because of plant diseases and attacks from pests like insects.

🎯 Exam Tip: For questions asking for reasons, provide direct and concise answers.

Question (e) What is done to avoid the damage to crops?
Answer: As a remedy, insecticides and pesticides are sprayed on crops or certain chemicals are rubbed on the seeds before sowing to avoid damage to crops. Integrated pest management (IPM) approaches combine various strategies for effective and sustainable crop protection.
In simple words: To protect crops, farmers spray insecticides and pesticides, or treat seeds with chemicals before planting.

🎯 Exam Tip: When asked about solutions, mention specific actions taken to address the problem.

Question (f) What causes the fertility of the soil to diminish?
Answer:1. Overwatering makes the land saline and fallow. 2. Overuse of chemical fertilisers leads to accumulation of excessive chemicals in the soil. Practices like crop rotation and organic farming can help maintain and restore soil health over time. 3. This reduces the fertility of the soil and reduces the productivity.
In simple words: Soil loses its fertility due to too much water making it salty, and using too many chemical fertilizers which build up harmful substances.

🎯 Exam Tip: When explaining causes, list distinct factors and briefly describe how each contributes to the problem.

Question (g) What changes has modern technology brought about in the methods of farming?
Answer: Modern technology has brought about several significant changes in farming methods, leading to increased efficiency and productivity.
1. Improve seeds having better yield.
2. Modern methods of irrigation.
3. Availability of fertilizers to improve productivity.
4. These modern technological methods have brought about tremendous improvement in the methods of farming.
In simple words: Modern technology has improved farming by giving us better seeds, advanced irrigation, and effective fertilizers, making farming much more productive.

🎯 Exam Tip: When asked about technological changes, list specific advancements like improved seeds, irrigation, and fertilizers, and mention their overall impact on productivity.

Question (h) What methods are used to preserve food- grains?
Answer: Preserving food grains is crucial to prevent spoilage and pest infestation, ensuring food security.
1. To prevent damage by pests, chemicals are sprayed at the place of storage or all around it.
2. Neem leaves or some protective chemicals are mixed in the grain as their smell repels insects.
3. Storage places are kept dry and airy to prevent fungus formation.
In simple words: Food grains are preserved by spraying chemicals for pests, mixing neem leaves or repellents, and keeping storage areas dry and airy to stop fungus.

🎯 Exam Tip: Remember the three main aspects of grain preservation: pest control (chemicals/natural repellents), and environmental control (dry, airy conditions to prevent fungus).

Question (i) How is water made available for farming?
Answer: Water is made available for farming through various methods that manage and distribute water resources efficiently.
1. Huge quantities of water are stored by building dams and bunds on rivers to obstruct the flow of water downstream.
2. Improved methods of irrigation are used which provide enough water to the plants and at the same time, help to save a lot of water.
In simple words: Water for farming comes from dams and bunds that store river water, and also from better irrigation systems that deliver water efficiently to plants while saving it.

🎯 Exam Tip: Focus on the two main strategies for water availability: storage (dams/bunds) and efficient delivery (improved irrigation methods).

5. Match The Following

Question 1. Match the following:
Answer: The matching pairs for 'A' and 'B' are not provided in the source text. Please refer to the complete question for the correct matches.
In simple words: To answer this, you need to connect the items in column 'A' with their correct partners in column 'B'.

🎯 Exam Tip: For matching questions, carefully read each item in column 'A' and find its most appropriate corresponding item in column 'B'. Draw lines or write the correct pairs clearly.

Question. Match the following columns.

🎯 Exam Tip: When matching, carefully read both columns and identify keywords to link related concepts. Always double-check your pairings.

Environmental Studies Part 1 Standard 5th Solutions Chapter 12 Food For All Additional Important Questions And Answers

Fill in the blanks with the correct answers from the options given below:

Question 1. We get food from ....................
(a) shops
(b) plants
(c) school
Answer: (b) plants
In simple words: Most of our food, like fruits, vegetables, and grains, comes directly or indirectly from plants.

🎯 Exam Tip: Remember that plants are the primary producers of food, forming the base of almost all food chains.

Question 2. To get food, we sow grains in fields and plant .................................... trees in ochards.
(a) fruit
(b) jowar
(c) sweet potatoes
Answer: (a) fruit
In simple words: We plant fruit trees in orchards to grow fruits, just like we sow grains in fields for other food.

🎯 Exam Tip: Remember that grains are grown in fields, while fruits are typically grown on trees in orchards. This distinction is key.

Question 3. About .................................... of the land of our country is used for agriculture.
(a) 50%
(b) 60%
(c) 70%
Answer: (b) 60%
In simple words: A large portion, about 60%, of India's land is used for farming to grow food for everyone.

🎯 Exam Tip: Knowing key statistics like the percentage of land used for agriculture helps demonstrate your understanding of the country's economy and resources.

Question 4. The agricultural season from June to October is called the .................................... season.
(a) kharif
(b) rabi
(c) summer
Answer: (a) kharif
In simple words: The kharif season is when crops are grown during the monsoon, from June to October, needing a lot of water.

🎯 Exam Tip: Distinguish between kharif (monsoon/summer crops) and rabi (winter crops) by remembering their typical planting and harvesting months.

Question 5. The agricultural season from October to March is called the .................................... season.
(a) kharif
(b) rabi
(c) summer
Answer: (b) rabi
In simple words: The rabi season covers the cooler months from October to March, when crops like wheat are grown.

🎯 Exam Tip: Clearly identify the start and end months for both kharif and rabi seasons to avoid confusion in your answers.

Question 6. The crops grown from March to June are called .................................... crops.
(a) winter
(b) monsoon

🎯 Exam Tip: When identifying crop seasons, consider the typical weather conditions and water availability during those months to determine the crop type.

Question 7. Every farmer wishes to get a good ..........................
(a) holiday
(b) harvest
(c) sleep
Answer: (b) harvest
In simple words: Farmers work hard all season, and their biggest hope is always for a successful harvest to feed their families and sell.

🎯 Exam Tip: When filling in blanks, consider the context of the sentence. "Good harvest" is a common phrase associated with farmers' wishes.

Question 8. A good harvest provides the farmer a .......................... income.
(a) good
(b) bad
(c) ugly
Answer: (a) good
In simple words: A successful harvest means the farmer has plenty of crops to sell, which directly leads to a higher and more stable income.

🎯 Exam Tip: Link the outcome (good harvest) to its logical consequence (good income). This shows understanding of cause and effect.

Question 9. The harvested crop must be .......................... safely.
(a) protected
(b) collected
(c) stored
Answer: (c) stored
In simple words: After harvesting, crops need to be kept in a safe place to prevent spoilage or damage, ensuring they can be used or sold later.

🎯 Exam Tip: Think about the sequence of events after harvesting. Crops are first collected, then stored for preservation and future use.

Question 10. The population of our country is ..........................
(a) increasing
(b) decreasing
(c) diminishing

Question 11. In the traditional methods of agriculture ploughing was carried out with the help of
(a) oxen
(b) cow
(c) buffalo
Answer: (a) oxen
In simple words: Historically, farmers used oxen to pull ploughs, which was the main way to prepare fields for planting before modern machinery.

🎯 Exam Tip: When asked about traditional farming methods, remember that animal power, especially from oxen, was crucial for tasks like ploughing.

Question 12. A 'mot' driven with the help of .......................... was used to draw water from the well.
(a) cow
(b) dogs
(c) oxen
Answer: (c) oxen
In simple words: A 'mot' is a traditional water-lifting device, and oxen were commonly used to power it to draw water from wells for irrigation.

🎯 Exam Tip: Understand the role of different animals in traditional agriculture; oxen were versatile and used for both ploughing and water lifting.

Question 13. Farmers now carry out all their tasks with the help of .......................... .
(a) machines
(b) oxens
(c) bullocks
Answer: (a) machines
In simple words: Modern farming relies heavily on machines like tractors and harvesters to perform tasks quickly and efficiently, replacing manual and animal labor.

🎯 Exam Tip: Contrast traditional and modern farming practices by focusing on the tools and power sources used in each era.

Question 14. Improved seeds are developed through .......................... .
(a) ploughing
(b) studying
(c) research
Answer: (c) research
In simple words: Scientists conduct research to develop better seeds that can resist diseases, grow faster, or produce more crops, helping farmers improve their yield.

🎯 Exam Tip: Remember that advancements in agriculture, like improved seeds, are a direct result of scientific research and development.

Question 15. Improved seeds have a higher ..........................
(a) yield
(b) field
(c) goals
Answer: (a) yield
In simple words: Improved seeds are designed to produce a larger quantity of crops from the same area of land.

🎯 Exam Tip: Remember that 'yield' specifically refers to the amount of agricultural output or produce from a given area.

Question 16. Crops grow well if they are .......................... at the right time.
(a) poltered
(b) tilled
(c) watered
Answer: (c) watered
In simple words: Providing water to crops at the correct stages of their growth is crucial for them to develop properly and produce a good harvest.

🎯 Exam Tip: Proper irrigation is a key factor in successful farming, ensuring plants receive adequate moisture.

Question 17. Dams and bunds help to raise the levels of ..........................
(a) well water
(b) ground water
(c) rain water
Answer: (b) ground water
In simple words: Dams and bunds store rainwater, allowing it to slowly seep into the soil and replenish the underground water reserves.

🎯 Exam Tip: Understand that dams and bunds are important for water conservation, primarily by recharging groundwater tables.

Question 18. Crops were traditionally watered through ..........................
(a) canals
(b) streams
(c) rivers
Answer: (a) canals
In simple words: Historically, canals were built to divert water from natural sources like rivers to agricultural fields for irrigation purposes.

🎯 Exam Tip: Canals represent an ancient and effective method of irrigation, demonstrating early human ingenuity in water management.

Question 19. Drip and sprinkle irrigation are .......................... methods of irrigation.
(a) urban
(b) rural

Question 20. If the same crops are grown frequently in a field, the .................... of the soil decreases.
(a) fertility
(b) water
(c) manure
Answer: (a) fertility
In simple words: Growing the same crops repeatedly uses up the same nutrients from the soil, making it less fertile over time.

🎯 Exam Tip: Remember that crop rotation is a common agricultural practice to maintain soil fertility and prevent nutrient depletion.

Question 21. We have to add fertilizers to the soil to restore its .................... .
(a) irrigation
(b) productivity
(c) yield
Answer: (b) productivity
In simple words: Fertilizers help put back the nutrients that crops take out of the soil, making the soil able to grow more crops again.

🎯 Exam Tip: Understand the difference between 'productivity' (the capacity to produce) and 'yield' (the actual amount produced) in agriculture. Fertilizers primarily restore productivity.

Question 22. Fertilizers provide the required .................... substance to the crop.
(a) productive
(b) nutritive
(c) chemical
Answer: (b) nutritive
In simple words: Fertilizers give plants the essential food and nutrients they need to grow strong and healthy.

🎯 Exam Tip: When discussing fertilizers, focus on their role in providing essential nutrients for plant growth, which is their primary function.

Question 23. Natural fertilizers are called
(a) manures
(b) chemicals
(c) pesticides

🎯 Exam Tip: Be familiar with different types of fertilizers, distinguishing between natural (organic) and chemical (synthetic) options, and their respective benefits.

Question 24. .......................... makes the land saline and fallow.
(a) Manure
(b) Pesticides
(c) Overwatering
Answer: (c) Overwatering
In simple words: Too much watering, especially with water containing salts, can make the soil salty and infertile over time, which is bad for growing crops.

🎯 Exam Tip: Remember that while some substances can harm soil, overwatering specifically leads to salinity and makes land fallow, so choose the most precise option.

Question 25. Disease and pest attacks can .......................... crops in the field.
(a) damage
(b) restore
(c) revive
Answer: (a) damage
In simple words: Diseases and pests are harmful to crops, causing them to get sick or be eaten, which results in damage and reduced yield.

🎯 Exam Tip: Understand the negative impact of diseases and pests on crops; they always cause harm, not improvement.

Question 26. The grain is dried well in the sun and filled in
(a) pots
(b) tanks
(c) sacks
Answer: (c) sacks
In simple words: After drying, grains are typically stored in large bags called sacks for easy transport and storage in bulk.

🎯 Exam Tip: Think about common agricultural practices; sacks are the most practical and widely used containers for storing dried grain.

Question 27. Storage places are always kept dry and airy to prevent .......................... formation.
(a) colour
(b) fungus
(c) insect
Answer: (b) fungus
In simple words: Keeping storage areas dry and airy prevents moisture buildup, which is essential to stop harmful fungi from growing on stored items like grains.

🎯 Exam Tip: Fungi thrive in damp, dark conditions. Therefore, dryness and air circulation are key to preventing their growth in storage.

Question 28. All the time, plants are busy .................... the food they need.
(a) producing
(b) mincing
(c) cooking
Answer: (a) producing
In simple words: Plants are always busy making their own food through a process called photosynthesis.

🎯 Exam Tip: Remember that plants are producers, meaning they create their own food, which is a key concept in biology.

Question 29. Plants .................... food in their stems or roots.
(a) eat
(b) produce
(c) store
Answer: (c) store
In simple words: Plants make food and then keep some of it in their stems or roots for later use, just like we store food.

🎯 Exam Tip: Understand the different functions of plant parts; stems and roots are often used for storage, while leaves are for food production.

Question 30. In India, due to the improved methods of cultivation, we now produce plenty of .................... .
(a) grass
(b) plants
(c) foodgrains
Answer: (c) foodgrains
In simple words: Thanks to better farming methods, India now grows a lot of extra foodgrains, which are important for feeding people.

🎯 Exam Tip: When answering questions about agriculture, focus on key terms like "improved methods of cultivation" and "foodgrains."

Question 31. The surplus foodgrain is stored in huge .................... .
(a) godowns
(b) house
(c) warehouse
Answer: (c) warehouse
In simple words: When there's more foodgrain than needed right away, it's kept safe in very large storage buildings called warehouses.

🎯 Exam Tip: Know the correct terminology for storage facilities, especially in the context of large-scale agricultural produce. "Warehouse" is a common term for such large storage buildings.

Question 32. Today our country is .................... as far as production of foodgrains is concerned.
(a) self-reliant
(b) self-help
(c) self-study
Answer: (a) self-reliant
In simple words: Our country produces enough foodgrains for its own needs, meaning it doesn't have to depend on other countries for food.

🎯 Exam Tip: Understanding terms like 'self-reliant' in the context of a country's economy and resources is crucial for social studies questions.

Question 33. .................... was responsible to bring about the Green Revolution in India.
(a) Dr. M. S. Swaminathan
(b) Tukdoji Maharaj
(c) Sant Gadgebaba
Answer: (a) Dr. M. S. Swaminathan
In simple words: Dr. M. S. Swaminathan is known as the father of the Green Revolution in India because he introduced new farming methods and high-yield seeds that greatly increased food production.

🎯 Exam Tip: Remember key historical figures and their significant contributions, especially those related to national development like the Green Revolution.

Question 34. In ........ our country too enacted a food security law.
(a) 2013
(b) 2014
(c) 2015
Answer: (a) 2013
In simple words: India passed a law in 2013 to make sure that most people in the country have access to enough food at affordable prices.

🎯 Exam Tip: Knowing the years when important laws were enacted helps demonstrate your understanding of social and political timelines.

Question 35. Agricultural schools have also been started for
(a) scholars
(b) students
(c) farmers
Answer: (c) farmers
In simple words: These schools are designed to teach farmers modern techniques and knowledge to improve their farming practices and increase crop yields.

🎯 Exam Tip: When answering questions about educational initiatives, consider the target beneficiaries and the practical purpose of such programs.

Answer In One Sentence:

Question 1. What percent of land is used for agriculture in our country?
Answer: Approximately 50-60% of the land in our country is used for agriculture. This significant portion highlights the importance of farming to our economy and food supply.
In simple words: About half to more than half of our country's land is used for growing crops and raising animals.

🎯 Exam Tip: For factual questions involving statistics, providing an approximate range is often acceptable if the exact number isn't known, but ensure it's close to the correct figure.

Question 2. Name the two main agricultural seasons in our country.
Answer: The Kharif and the Rabi seasons are the two main agricultural seasons. These distinct seasons dictate the types of crops grown across different regions.
In simple words: India has two main farming seasons: Kharif and Rabi.

🎯 Exam Tip: Always remember the two primary agricultural seasons, Kharif and Rabi, as they are fundamental to understanding Indian agriculture.

Question 3. What is Kharif season?
Answer: The season from June to October when crops are watered mainly by rain, it is called Kharif season. This period is vital for crops that require a lot of water.
In simple words: Kharif season is from June to October, when crops grow with rainwater.

🎯 Exam Tip: When defining Kharif season, include the months (June to October) and the primary water source (rain) for a complete answer.

Question 4. What is Rabi season?
Answer: The season from October to March when the rain soaked soil, retreating monsoon and dew water the crops, it is Rabi season. Crops grown during this time benefit from the cooler weather and residual moisture.
In simple words: Rabi season is from October to March, when crops use water from the wet soil, retreating monsoon, and dew.

🎯 Exam Tip: For Rabi season, remember the months (October to March) and the multiple water sources like soil moisture, retreating monsoon, and dew.

Question 5. What are summer crops?
Answer: Crops grown from March to June are called summer crops. These crops are often short-duration and can withstand warmer temperatures.
In simple words: Summer crops are those grown between March and June.

🎯 Exam Tip: Clearly state the time frame (March to June) when defining summer crops.

Question 6. What is essential for a good harvest?
Answer: Fertile land, good quality seeds and fertilizers and availability of water are essential for a good harvest. All these factors work together to ensure healthy crop growth and high yields.
In simple words: Good land, good seeds, fertilizers, and enough water are all needed for a successful harvest.

🎯 Exam Tip: List all key factors: fertile land, quality seeds, fertilizers, and water availability, as each contributes significantly to a good harvest.

Question 7. How has it been possible to fulfill the needs of all the people?
Answer:
In simple words: This question asks about the methods and progress made in providing for everyone's basic necessities.

🎯 Exam Tip: When discussing how needs are fulfilled, consider aspects like technological advancements, efficient resource management, and distribution systems.

Though the population of the country is increasing, the needs of the people are fulfilled because of the modern improved methods of agriculture.

Question 8. How did the oxen help the fanner, in the traditional methods of agriculture?
Answer: In the traditional method of agriculture, ploughing, tilling, harvesting, threshing as well as drawing water from the well was all done with the help of an oxen. These animals were essential for almost every farm task.
In simple words: Oxen were used for many farm jobs like ploughing fields, harvesting crops, and even pulling water from wells in old farming methods.

🎯 Exam Tip: When describing traditional methods, remember to list multiple tasks to show a comprehensive understanding of the role of animals like oxen.

Question 9. What helps farmers to do all their work?
Answer: The farmer carries out all his tasks with the help of machines. Modern machinery has greatly increased efficiency and reduced manual labor.
In simple words: Farmers now use machines to do all their work, making farming faster and easier.

🎯 Exam Tip: Focus on the key word "machines" when answering questions about modern farming tools.

Question 10. Traditionally how were crops watered?
Answer: Crops were traditionally watered through canals. This method relied on diverting water from rivers or reservoirs.
In simple words: In the past, crops were watered using canals that brought water from other sources.

🎯 Exam Tip: When asked about traditional methods, recall simple, widely used techniques like canal irrigation.

Question 11. Which are the modem methods of irrigation?
Answer: Drip irrigation and sprinkle irrigation are the two modem methods of irrigation. These methods are designed to conserve water.
In simple words: Drip irrigation and sprinkle irrigation are the two main modern ways to water crops efficiently.

🎯 Exam Tip: Remember the names of both modern irrigation techniques: drip and sprinkle, as they are often paired together.

Question 12. What is sprinkle irrigation?
Answer: Sprinkle irrigation makes use of sprinklers of different sizes that spray water directly on plants. This mimics natural rainfall and ensures even distribution.
In simple words: Sprinkle irrigation uses sprinklers to spray water directly onto plants, like rain.

🎯 Exam Tip: Describe sprinkle irrigation by mentioning sprinklers and how they deliver water, comparing it to rain helps.

Question 13. What happens when the same crops are grown frequently in a field?
Answer: If the same crops are grown frequently in a field, the fertility of the soil decreases. This is because specific nutrients are depleted repeatedly.
In simple words: Growing the same crops over and over in a field makes the soil less fertile because it uses up the same nutrients.

🎯 Exam Tip: The key concept here is "soil fertility decreases" due to the depletion of specific nutrients. Mentioning this will earn full marks.

Question 14. What do fertilizers do to the soil?
Answer: Fertilizers provide the required nutritive substances to the crop and restore its productivity. This helps ensure healthy plant growth.
In simple words: Fertilizers give plants the food they need and make the soil good for growing crops again.

🎯 Exam Tip: Focus on the two main functions: providing nutrients and restoring productivity.

Question 15. Which are the two types of fertilizers?
Answer: Natural and chemical are the two types of fertilizers.
In simple words: Fertilizers come in two main kinds: natural ones (like compost) and chemical ones (made in factories).

🎯 Exam Tip: Remember the basic classification: natural and chemical.

Question 16. How is manure obtained?
Answer: Manure is obtained from materials available in nature like green waste and animal dung. These organic materials decompose to enrich the soil.
In simple words: Manure is made from natural things like leftover plants and animal waste.

🎯 Exam Tip: List the natural sources of manure clearly.

Question 17. How are chemical fertilizers made?
Answer: Chemical or artificial fertilizers are mixtures of different chemical substances in specific proportions, useful for agriculture. They are manufactured to provide targeted nutrients.
In simple words: Chemical fertilizers are created by mixing different chemicals together in exact amounts to help plants grow.

🎯 Exam Tip: Highlight that they are mixtures of chemical substances in specific proportions.

Question 18. What happens to soil when it is over-watered?
Answer: Overwatering makes the land saline and fallow. This can severely reduce its ability to support plant life.
In simple words: Too much water makes the soil salty and unable to grow crops.

🎯 Exam Tip: Remember the two negative effects: saline (salty) and fallow (unproductive).

Question 19. Where do plants store their food?
Answer: Plants store their food in their stems or roots. These storage organs help them survive periods of scarcity.
In simple words: Plants keep their extra food in parts like their stems or roots, similar to how we store food in a pantry.

🎯 Exam Tip: Identify the primary storage organs: stems and roots.

Question 20. What is done to the surplus foodgrain, in India?
Answer: In India, the surplus foodgrain is stored in huge warehouses. This ensures food availability during times of scarcity.
In simple words: When India has more food than needed, the extra food is kept safe in big storage buildings called warehouses.

🎯 Exam Tip: Remember that storing surplus food is crucial for food security and managing supply for future needs.

Question 21. Who gets credit for the research that led to 'Green Revolution'?
Answer: Dr. M. S. Swaminathan gets credit for the research that led to 'Green Revolution'. His contributions were pivotal in transforming agricultural practices.
In simple words: Dr. M. S. Swaminathan is recognized for his important work that started the 'Green Revolution'.

🎯 Exam Tip: Knowing key figures like Dr. M. S. Swaminathan associated with major historical events like the Green Revolution is important for general knowledge questions.

Question 22. What is 'Green Revolution'?
Answer: Improved quality of seeds of wheat and rice that led to tremendous increase in the production of these foodgrains is called 'Green Revolution'. This agricultural advancement significantly boosted food supply.
In simple words: The 'Green Revolution' was a time when better wheat and rice seeds were used, causing a huge increase in how much food was grown.

🎯 Exam Tip: When defining 'Green Revolution', always mention the improved seeds (especially wheat and rice) and the resulting significant increase in food production.

Question 23. What are 'Food Security laws'?
Answer: Laws to ensure that every person gets sufficient food according to his need are 'Food Security laws'. These laws aim to prevent hunger and malnutrition.
In simple words: 'Food Security laws' are rules made to make sure everyone has enough food to eat, based on what they need.

🎯 Exam Tip: Emphasize "every person," "sufficient food," and "according to his need" when explaining Food Security laws.

Question 24. What is Organic farming?
Answer: Farming that relies on natural materials is called organic farming. This method avoids synthetic pesticides and fertilizers.
In simple words: Organic farming is a way of growing food using only natural things, without artificial chemicals.

🎯 Exam Tip: The core idea of organic farming is the exclusive use of natural materials, avoiding synthetic pesticides and fertilizers.

What Are The Benefits Of 'Organic Farming'?

Question 1. What are the benefits of 'Organic farming'?
Answer:

🎯 Exam Tip: When discussing benefits, consider aspects like environmental impact, health benefits, and soil quality improvement.

1. In 'Organic farming', the nutritive substances in the soil are retained.
2. The organic pesticides used in this method have no harmful effects on those who eat the produce.
3. The grain grown by this method is nutritious and also good to taste. That is why farmers have begun to opt for organic farming methods.

Class 5 Environmental Studies Questions And Answers: