RBSE Solutions Class 5 Environmental Studies Chapter 21 Life is Precious

Text Book Questions

Look at the Figure (Page No. 120) and Discuss the Following

Question 1. What should we do when there is a red light at the crossing?
Answer: We should stop our vehicles completely when the red light comes on at a crossing. Stopping helps prevent accidents and keeps everyone safe.
In simple words: When the red light is on, we must stop our vehicles.

🎯 Exam Tip: Always include the action (stop) and the reason (safety) when answering road safety questions.

Question 2. What should we do while driving a vehicle on a speed breaker?
Answer: When driving over a speed breaker, we must reduce the speed of our vehicle. This prevents damage to the vehicle and ensures a smooth ride.
In simple words: We should slow down our vehicles when going over a speed breaker.

🎯 Exam Tip: Mention both slowing down and the reason for it (vehicle safety) for full marks.

Question 3. If there is a cross mark on the icon of a horn, then what should we not do?
Answer: If you see a sign with a horn icon and a cross over it, it means you should not blow your horn often or loudly. These signs are usually found near hospitals or schools to maintain quietness.
In simple words: A horn with a cross means 'No Honking,' so we should not use the horn a lot.

🎯 Exam Tip: Be specific about what the 'cross mark' symbol means in context of a horn.

Question 4. We should walk on which side of the road?
Answer: When walking on the road, people should always use the left side. This helps pedestrians face oncoming traffic and be more aware of their surroundings.
In simple words: We should always walk on the left side of the road.

🎯 Exam Tip: Remember the basic rule: 'keep to the left' for pedestrians and most driving rules in India.

Question 5. Why one should not drive after being drunk?
Answer: A person should not drive after drinking alcohol because it makes it hard to control the vehicle and understand road rules. This greatly increases the chance of accidents. Alcohol impairs judgment and reaction time, making safe driving impossible.
In simple words: Driving after drinking is dangerous because the driver cannot control the vehicle well, which can cause accidents.

🎯 Exam Tip: Highlight both the inability to control the vehicle and the increased risk of accidents.

Question 6. Draw and write the meaning of those symbols of road safety in a notebook, which you see on the sides of the road.
Answer: Students should draw various road safety symbols found on roadsides in their notebooks. For each symbol, they should write down its meaning and what it tells drivers or pedestrians to do or not to do. Understanding road signs is a key part of road safety education for everyone.
In simple words: Draw road safety signs in a notebook and write what each one means.

🎯 Exam Tip: For practical questions like drawing, ensure your answer also explicitly mentions the 'writing' or 'explaining the meaning' part of the task.

Think and Answer the Following (Page No. 121)

Question 1. Someone met with an accident is lying on the road. Then, what do the people do?
Answer: If we see someone lying on the road after an accident, we should quickly help them. It is important to take them to a hospital, ideally in an ambulance, as soon as possible. Providing immediate help can save a life and reduce the severity of injuries.
In simple words: We should help injured people in road accidents and get them to a hospital using an ambulance.

🎯 Exam Tip: Emphasize immediate help and seeking professional medical assistance (ambulance/hospital).

Discuss and Answer the Following (Page No. 121)

Question 1. What should we do to help a person injured in a road accident?
Answer:
(i) First, we should give the injured person basic first aid to help them.
(ii) Next, it is important to call for an ambulance immediately to get medical help.
(iii) We should also inform the police about the accident.
(iv) If an ambulance cannot come, we should take the injured person to the closest hospital ourselves.
(v) Finally, we must tell the relatives of the injured person what happened. Following these steps ensures the injured person receives timely medical care and support.
In simple words: First, give first aid, then call an ambulance and the police. If no ambulance, take them to the hospital. Also, tell their family.

🎯 Exam Tip: List the actions in a logical order, from immediate care to informing authorities and family.

Question 2. Which things we should take care of while crossing the railway tracks?
Answer: When crossing railway tracks, we must use the overhead bridge. It is the safest way to cross. Crossing tracks directly is extremely dangerous and can lead to serious accidents.
In simple words: We should use the overbridge to cross railway tracks safely.

🎯 Exam Tip: Always emphasize safety measures and avoid dangerous shortcuts like crossing tracks directly.

Question 3. What are the warnings written and announced in the railway station?
Answer: The warnings written and announced in the railway station are:
1. You must have a ticket to travel on trains.
2. Always look after your personal items and luggage.
3. Do not touch any object that looks abandoned or left behind.
4. Smoking is not allowed anywhere in the railway station.
5. Do not use the train's toilets when the train is not moving.
6. Passengers should never ride on the roof of trains; it is very unsafe.
7. Do not try to get off a train while it is still moving.
8. Be careful of pick-pockets who might try to steal your belongings.
9. Everyone should help keep the railway stations clean. These warnings help ensure the safety and comfort of all passengers and maintain order.
In simple words: Warnings tell us to buy tickets, watch our things, not touch unknown objects, not smoke, not use train toilets when stopped, not ride on roofs, not jump from moving trains, watch for pick-pockets, and keep the station clean.

🎯 Exam Tip: When listing multiple points, ensure each is distinct and clearly explains a specific warning.

Question 4. What are the things that the people sell on the railway station?
Answer: At railway stations, many items are sold, such as water bottles, tea, coffee, puri-sabji, samosa, kachori, namkeen, and various books and magazines. These items cater to the diverse needs of travelers, offering both refreshment and entertainment.
In simple words: People sell water, tea, coffee, snacks like puri-sabji and samosa, and also books and magazines at railway stations.

🎯 Exam Tip: List a variety of items to show a broad understanding of what is available.

Question 5. The ticket shown is for travelling from which place to which place? (Follow Page No. 122 in your text book)
Answer: The ticket displayed is for a journey starting from Ajmer and ending at Jabalpur. Tickets always show the origin and destination to specify the travel route.
In simple words: The ticket shows travel from Ajmer to Jabalpur.

🎯 Exam Tip: Be direct and state the two locations as requested by the question.

Question 7. What other types of information do we get from the tickets?
Answer: Railway tickets provide several important details, including the train number, how many passengers are travelling, the PNR number, date of travel, the unique ticket number, the age and gender of passengers, the fare paid, the boarding and destination stations, and specific seat and coach numbers. This comprehensive information helps in tracking journeys and managing passenger logistics.
In simple words: Tickets show train number, number of passengers, PNR, travel date, ticket number, age, sex, fare, start and end stations, and seat and coach numbers.

🎯 Exam Tip: Try to list at least 5-7 key pieces of information found on a railway ticket.

Points for Discussion (Page No. 123)

Question 1. When the leaf was rubbed on the paper, why did the paper become black or brown?
Answer: The paper turned black or brown because tiny black pollution particles had settled and stuck onto the leaf. When the leaf was rubbed, these particles transferred to the paper. This demonstrates how air pollution can accumulate on surfaces, including plants.
In simple words: The paper turned black because pollution particles stuck on the leaf moved onto the paper when rubbed.

🎯 Exam Tip: Clearly state that pollution particles were the cause of the color change.

Question 2. Is this type of soot also there on the leaves of plants grown far away from the road and why?
Answer: No, this type of black soot is generally not found on leaves of plants growing far from roads. This is because these plants are located away from the main sources of pollution, such as vehicles. Distance from pollution sources significantly reduces the deposition of harmful particles on plant surfaces.
In simple words: No, plants far from roads don't have soot because they are away from pollution sources.

🎯 Exam Tip: Give a clear 'no' answer and explain the reason related to distance from pollution.

Discuss and Give Answers of the Following (Page No. 123)

Question 1. At which places there will be more air pollution?
Answer: Air pollution tends to be higher in areas with many factories, places that have a large number of vehicles, and locations where various materials are burned. Industrial activities, vehicular emissions, and burning practices are major contributors to poor air quality.
In simple words: Air pollution is worse near factories, in busy areas with many vehicles, and where things are burned.

🎯 Exam Tip: Identify the three main sources: industries, vehicles, and burning.

Question 2. What should we do, so that the level of smoke and poisonous gases in the air gets reduced?
Answer: The following steps can be taken to reduce the level of smoke and poisonous gases in the air:
1. Plant many more trees.
2. Use carpooling, where multiple people share one car.
3. Ride bicycles instead of cars and motorcycles.
4. Implement strict and immediate controls on pollution from factories. These actions help improve air quality by reducing emissions and increasing natural air purifiers.
In simple words: We can reduce air pollution by planting more trees, sharing cars, riding bicycles, and stopping pollution from factories.

🎯 Exam Tip: Provide concrete actions that address both sources of pollution and natural solutions.

Learnt, Understood and Now Tell (Page No. 124)

Question 1. Which things should be considered while moving on the road?
Answer:
(i) We must follow all traffic rules strictly.
(ii) When walking, we should always stay on the left side of the road.
(iii) To cross the road at a red light, we should use the zebra crossing.
(iv) We need to reduce our vehicle's speed when going over a speed breaker.
(v) It is important not to talk on a mobile phone while driving.
(vi) Drivers should never drink alcohol and drive.
(vii) People riding two-wheelers must wear helmets.
(viii) Those driving four-wheelers should always wear seat belts. Following these rules is essential for personal safety and for preventing road accidents for everyone.
In simple words: We should follow traffic rules, walk on the left, use zebra crossings at red lights, slow down for speed breakers, not use phones or drink while driving, wear helmets on two-wheelers, and wear seat belts in cars.

🎯 Exam Tip: List a comprehensive set of rules covering both pedestrians and drivers, and different vehicle types.

Question 2. When we pass by the front of the school, what precautions should we take?
Answer:
(i) When driving past a school, we should reduce our vehicle's speed and avoid honking continuously or loudly.
(ii) We must stop and wait for students to cross the road safely before proceeding. Exercising caution near schools protects children and maintains a quiet environment for learning.
In simple words: Near a school, we should drive slowly, not honk loudly, and wait for students to cross the road.

🎯 Exam Tip: Focus on reducing speed, minimizing noise, and yielding to pedestrians in school zones.

Question 3. What are the reasons of air pollution?
Answer: Air pollution is caused by several factors such as the smoke and harmful gases released from moving vehicles, industrial operations in factories, and the burning of various materials. These activities release particulate matter and gases that degrade air quality and impact health.
In simple words: Air pollution happens because of vehicle smoke, factory work, and burning things.

🎯 Exam Tip: Remember the three main sources: vehicles, factories, and burning activities.

Objective Type Questions:

Question 1. Which of the following statements is correct? (Model Paper)
(a) We should walk left of the road
(b) We should cross the road at the red light
(c) We should drive slowly at the speed breaker
(d) We should blow horn seeing the sign of cross on the road
Answer: (a) We should walk left of the road
In simple words: It is correct to walk on the left side of the road. This helps us see oncoming traffic and stay safe.

🎯 Exam Tip: Always choose the option that promotes safety and follows standard road rules.

Question 2. Which of the following statements is correct?
(a) Cross the road when the green light is over
(b) Cross the road when the red light is over
(c) We should walk on the left side of the road
(d) We should not use seat belt while we drive a car
Answer: (a) Cross the road when the green light is over
In simple words: It is correct to cross the road when the green light for vehicles is no longer on, as this usually means it is safe for pedestrians. However, always check for actual vehicle movement.

🎯 Exam Tip: Always observe traffic signals carefully and ensure vehicles have stopped before crossing any road.

Question 3. You are going back and forth with your dad on a scooter. You will work out of.
(a) You will wear a helmet
(b) You will not wear a helmet
(c) You will stretch your hands on both sides
(d) You will sit back and forth
Answer: (a) You will wear a helmet
In simple words: When riding a scooter, you must wear a helmet to protect your head. This is a very important safety rule.

🎯 Exam Tip: Always prioritize personal safety by wearing a helmet when riding a two-wheeler.

Question 5. Which of the following statements is correct?
(a) We should stop if there is a red light on the intersection.
(b) You can also drive while using drugs.
(c) Talking on mobile while driving a scooter.
(d) Must be driving at high speed.
Answer: (a) We should stop if there is a red light on the intersection.
In simple words: It is correct to stop your vehicle when you see a red light at a crossroads. This prevents accidents and ensures safety.

🎯 Exam Tip: Stopping at red lights is a fundamental traffic rule that ensures safety for all road users.

Question 6. An injured person is lying on the other side of the road, which of the following actions you will do there? (Model Paper)
(a) You will go straight away from there.
(b) You will keep standing with the crowd.
(c) You will phone an ambulance.
(d) You will not phone the police.
Answer: (c) You will phone an ambulance
In simple words: The best thing to do is call an ambulance immediately to get medical help for the injured person. Helping is important.

🎯 Exam Tip: In an emergency, calling for professional medical help (ambulance) is the most responsible and effective action.

Question 7. You are going to the railway station to leave your friend in the train. On the way, a vehicle was stopped. Then, you will work out of
(a) Stay in the crowd.
(b) Shout on the people.
(c) Push the vehicle immediately to bring it at one side.
(d) We will leave for the station in some other way.
Answer: (c) Push the vehicle immediately to bring it at one side.
In simple words: If a vehicle is stopped on the road, you should help push it to the side quickly. This helps clear the road and allows traffic to move.

🎯 Exam Tip: Prioritize clearing obstructions from the road to ensure smooth traffic flow and prevent further delays.

Question 9. An old man in the street tries to cross the road again and again. But due to heavy traffic, he cannot cross the road. Then, you will work on the following:
(a) You will go away from there.
(b) You will ignore him.
(c) You will keep away from it.
(d) You will hold his hand and help him to cross the road.
Answer: (d) You will hold his hand and help him to cross the road.
In simple words: You should help the old man cross the busy road by holding his hand. This shows kindness and keeps him safe.

🎯 Exam Tip: Always offer help to those who are struggling, especially the elderly or vulnerable, in public spaces.

Question 10. Suppose you are driving a vehicle. A person collides with your vehicle and falls on the road. Then, you will work out on the following:
(a) Immediately, come out of the vehicle and lift the person.
(b) Drive away with high speed
(c) Use bad words on the person
(d) Look around and go away secretly.
Answer: (a) Immediately, come out of the vehicle and lift the person.
In simple words: If a person falls after colliding with your vehicle, you must immediately get out and help them up. It's important to provide help right away.

🎯 Exam Tip: In case of an accident, your first duty is to help the injured person and ensure their immediate safety.

Question 11. What should we do when there is a red light signal on the road? (Board Paper)
(a) We should stop
(b) We should go fast
(c) We should go slow
(d) None of the options
Answer: (a) We should stop
In simple words: When you see a red light on the road, you must stop your vehicle completely. This is a basic rule to prevent accidents.

🎯 Exam Tip: Red light means stop; always follow traffic signals for safety and compliance.

Question 14. Delhi takes this place for the most polluted cities in the world.
(a) 2nd
(b) 3rd
(c) 4th
(d) 5th
Answer: (c) 4th
In simple words: Delhi is ranked as the 4th most polluted city in the world. This means its air quality is very poor.

🎯 Exam Tip: Remember the specific ranking for cities known for high pollution levels.

Question 15. A man gets injured in a road accident. What number will you dial to call an ambulance? (Board Paper)
(a) 106
(b) 108
(c) 129
(d) 132
Answer: (b) 108
In simple words: If someone gets hurt in a road accident, you should dial 108 to call for an ambulance quickly. This number helps get medical help fast.

🎯 Exam Tip: Know important emergency contact numbers like 108 for ambulance services.

Fill in the Blanks:

Question 1. Helmet is not a burden, it is your ......... (safety / problem)
Answer: safety
In simple words: Helmets are for safety, not a problem.

🎯 Exam Tip: Focus on the positive reason for wearing a helmet, which is protection.

Question 2. We should cross the rail tracks only in ......... place. (any / specific)
Answer: specific
In simple words: Only cross railway tracks at specific, safe places.

🎯 Exam Tip: Emphasize that crossing railway tracks requires designated safe areas to prevent accidents.

Question 3. Do not ......... any unclaimed object. (pick up / touch)
Answer: touch
In simple words: Never touch objects left alone.

🎯 Exam Tip: Remember the safety rule about not handling unattended items, especially in public places.

Question 4. Due to excessive movements of the vehicles, ......... is created. (air pollution / good transportation)
Answer: air pollution
In simple words: Too many vehicles cause air pollution.

🎯 Exam Tip: Connect high traffic volume directly to the increase in air pollution as a key environmental impact.

State True or False

Question 1. Air pollution is very harmful for our health.
Answer: True
In simple words: Air pollution can make us sick.

🎯 Exam Tip: Recognize the direct negative impact of air pollution on human health.

Question 2. We should not help any injured person.
Answer: False
In simple words: It is important to help people who are injured.

🎯 Exam Tip: Always confirm that helping injured people is a moral and civic responsibility.

Question 3. We should fasten the seat belts while driving a car.
Answer: True
In simple words: Wearing seat belts in a car keeps us safe.

🎯 Exam Tip: Understand that seat belts are essential safety devices in vehicles.

Very Short Answer Type Questions:

Question 1. Why should we follow the traffic rules?
Answer: We should follow traffic rules to keep ourselves safe and prevent accidents. Rules help everyone on the road. For example, stopping at a red light saves lives.
In simple words: We follow traffic rules to stay safe and avoid accidents.

🎯 Exam Tip: Always link following traffic rules directly to personal safety and accident prevention.

Question 2. What should we use while crossing the red light?
Answer: When crossing the road at a red light, we should use the zebra crossing. This marked area is specially designed for pedestrians. It ensures safer passage.
In simple words: We should use the zebra crossing to cross at a red light.

🎯 Exam Tip: Specify 'zebra crossing' as the correct and safe method for pedestrians at traffic lights.

Question 3. Whose statement is this "Is it necessary to buy a ticket"?
Answer: This statement, asking if it is necessary to buy a ticket, belongs to Sonu. It reflects a common question asked by passengers.
In simple words: Sonu asked if a ticket was needed.

🎯 Exam Tip: Identify the character who made the specific statement as requested.

Question 6. Delhi takes which rank in the list of the most polluted cities of the world?
Answer: Delhi is ranked as the 4th most polluted city in the world. This highlights a significant environmental challenge for the city.
In simple words: Delhi is the 4th most polluted city globally.

🎯 Exam Tip: State the rank clearly, referring to Delhi's position among polluted cities.

Question 7. Write 2 reasons for air pollution.
Answer: Two main reasons for air pollution are the continuous movement of vehicles on roads and the operation of factories. Both activities release harmful gases and smoke into the atmosphere.
In simple words: Vehicles and factories are two main causes of air pollution.

🎯 Exam Tip: Clearly state two distinct causes of air pollution to meet the question's requirement.

Question 8. What are the bad effects of air pollution?
Answer: When we breathe in polluted air, harmful substances enter our body. This can make us sick and cause various health problems.
In simple words: Breathing polluted air makes us ill.

🎯 Exam Tip: Explain that polluted air directly affects health by causing illness when inhaled.

Question 9. Which things should not be touched in a railway station?
Answer: In a railway station, you should never touch any object that appears to be unclaimed or left alone. Such items could be dangerous or unattended.
In simple words: Do not touch any object that is left alone at a railway station.

🎯 Exam Tip: Emphasize not touching 'unclaimed' or 'unattended' objects due to safety concerns.

Short Answer Type Questions:

Question 1. We should always follow the traffic rules - why?
Answer: We should always follow traffic rules to prevent road accidents and ensure safety for everyone. If someone breaks these rules, the traffic police can issue a fine. Following rules helps maintain order.
In simple words: We follow traffic rules to avoid accidents and fines.

🎯 Exam Tip: Mention both accident prevention and the consequence of breaking rules (fines) as reasons.

Question 3. What is air pollution? What is the harm to us from this?
Answer: Air pollution happens when smoke and harmful gases spread in the air from moving vehicles, operating factories, and burning various items. When these harmful substances mix with the air, it becomes polluted. Breathing this polluted air causes it to enter our bodies, leading to illness and health problems. This is very harmful to us.
In simple words: Air pollution is when vehicle smoke, factory gases, and burning things make the air dirty. Breathing this dirty air makes people sick.

🎯 Exam Tip: Define air pollution by its sources and clearly explain the health risks it poses.

Essay Type Question:

Question 1. Which things should be considered while walking on the road?
Answer: When walking on the road, several things should be remembered:
1. We must always follow traffic rules.
2. We should walk on the left side of the road.
3. To cross at a red light, we should use the zebra crossing.
4. We should avoid running across the road.
5. It is important to use footpaths where available.
6. Before crossing, we should stop and look to our right and then to our left.
7. We should not talk or play pranks while crossing the road. These guidelines help ensure pedestrian safety and prevent accidents in busy areas.
In simple words: While walking, follow traffic rules, stay on the left, use zebra crossings, don't run, use footpaths, look both ways before crossing, and avoid distractions.

🎯 Exam Tip: Provide a comprehensive list of pedestrian safety rules, covering various scenarios like crossing and general walking.

Question 2. If you go to a railway station on your school visit, what type of questions will come to your mind about the railway station? Write any 3 questions. (Board Paper)
Answer: If I visit a railway station during a school trip, here are three questions that might come to my mind:
(i) Why is it necessary to purchase a ticket before entering the railway station?
(ii) What safety precautions should we take when crossing railway tracks?
(iii) Why do ticket checkers impose fines on passengers? Thinking about such questions helps in understanding the rules and operations of a railway system.
In simple words: On a school trip to a railway station, I might wonder why tickets are needed for entry, how to cross tracks safely, and why ticket checkers fine people.

🎯 Exam Tip: Formulate questions that demonstrate curiosity about rules, safety, and procedures at a railway station.