DAV Class 4 SST Chapter 11 Question Answer Let Us Travel

Looking for accurate and 100% textbook-grounded DAV Class 4 SST Chapter 11 Question Answer Let Us Travel? These solutions are crafted according to the official DAV CMC textbook We and Our World. Students of Class 4 will find comprehensive explanations for roadways, railways, airways, waterways, animal transport, vehicular pollution, and Value-Based questions.

A. Tick (✓) the correct option

1. If we want to reach a far off place very quickly, best choice will be—
(a) Railways
(b) Airways
(c) Roadways
Answer: (b) Airways
Reason: Aeroplanes travel through the air at high speeds without terrain obstacles, making them the fastest mode of travel.

2. A camel cart is loaded with sacks of—
(a) Red chillies
(b) Green chillies
(c) Cotton
Answer: (a) Red chillies
Reason: In Rajasthan, camel carts frequently transport heavy farm goods like sacks of red chillies and grains across desert sands.

3. The most popular means of transport on the hills is—
(a) Horse
(b) Camel
(c) Mule
Answer: (c) Mule
Reason: Mules are sure-footed, sturdy beasts of burden well-suited for climbing narrow, steep, and rocky mountain tracks.

4. Increased traffic on roads lead to—
(a) Accidents
(b) Development
(c) Prosperity
Answer: (a) Accidents
Reason: Overcrowded city roads cause traffic jams, air and noise pollution, and increase the risk of road accidents.

B. Fill in the blanks

Help Box: railways, boats, bullock, transport, tassels

1. In coastal areas, fishermen use boats to transport fish.

2. Camels are beautifully decked up with tassels and bells.

3. People use different means of transport for travelling over different distances.

4. Bullock is called a farmer’s friend.

5. Railways are suitable for carrying larger quantity of goods.

C. Match the following

D. Answer the following questions in brief

Question 1: Name two factors that help us to select the mode of transport.
Answer: The two key factors are:
1. Distance to be traveled and time available: Long distances requiring urgent arrival call for airways, whereas moderate distances are served by trains and roads.
2. Cost/Budget of travel: Selecting between economical modes (trains, buses) and expensive modes (aeroplanes, private taxis).

Question 2: What are the main means of transport that run on rural roads? Why are they used by the farmers?
Answer: The main rural transport vehicles are bullock carts, tractors, trolleys, and bicycles.
Why farmers use them: They are sturdy, cost-effective, navigate unpaved muddy village paths easily, and carry heavy loads of farm produce, fertilizers, and fodder.

Question 3: Mention five items that are transported from cities to villages and from villages to cities.
Answer:
• From Villages to Cities: Foodgrains (wheat, rice), fresh green vegetables, fruits, milk, and sugarcane.
• From Cities to Villages: Medicines, agricultural machinery/tractors, chemical fertilizers, packaged food products, and textiles.

Question 4: How does airways score over railways and roadways?
Answer: Airways is the fastest mode of travel, crosses vast oceans, high mountain ranges, and dense forests effortlessly, and provides crucial emergency rescue and food supply during natural calamities (floods, earthquakes).

Question 5: List three advantages that India has in water transportation with a long coastline.
Answer:
1. Cost-effective Heavy Freight: Water transport is the cheapest mode for moving massive bulk international cargo (crude oil, machinery).
2. Major Seaports: A long coastline allows numerous busy natural ports (Mumbai, Chennai, Kochi, Kolkata) connecting trade globally.
3. Thriving Fisheries & Coastal Trade: Provides livelihood to millions of fishermen and cheap coastal shipping.

E. Answer the following questions (Detailed)

Question 1: Mention the negative impact of expanding role of means of transport.
Answer: The negative impacts include severe air pollution caused by harmful vehicle exhaust, deafening noise pollution, frequent road accidents, traffic jams, and destruction of green forests to build wide highways.

Question 2: Suggest three ways to reduce vehicular pollution in cities.
Answer:
1. Use cleaner fuels like Compressed Natural Gas (CNG) and promote Electric Vehicles (EVs).
2. Use public transport (Metro trains, electric buses) and carpool instead of driving single-occupant cars.
3. Walk or cycle for short neighborhood trips and get pollution checks (PUC) done regularly.

Question 3: Why is a bullock called a farmer’s friend?
Answer: A bullock helps the farmer plow hard soil in the fields, pulls heavy carts loaded with crops to markets, operates irrigation Persian wheels, and provides dung that serves as natural organic manure.

Value-Based Question