RBSE Class 5 EVS We Learnt and Understood-II Question Answer

To deepen your understanding, the Class 5 EVS RBSE Solutions and RBSE Class 5 EVS We Learnt and Understood-II Question Answer provided here offer valuable practice and clarity.

RBSE Class 5th EVS We Learnt and Understood-II Question Answer

Oral Questions-
Conversation-Based Questions-

Question 1.
Questions related to the characteristics of Rajasthan from the children-

Describe the climate of Rajasthan.
Answer:
The climate of Rajasthan is dry (desert) and semi-arid. Summers are very hot (40-50°C), winters are cold (0-15°C) and rainfall is scanty (200-400 mm annually). Water scarcity and dusty winds are common due to the Thar desert.

What is the difference between the weather of Mount Abu and Jaisalmer?
Answer:
Mont Abu is hilly area hence, it has cold and moist weather while Jaisalmer is a desert region hence, it has very hot and dry weather.

Name the main birds found in Rajasthan.
Answer:
The main birds found in Rajasthan are Peacock, Kuranja, Great Indian Bustard, Desert Sparrow, Sandgrouse, Black Buck Bird etc.

Question 2.
Share your experience in the class about the birds nest found around you.
Answer:

• I saw a crow’s nest on a banyan tree in my village, made of twigs and pieces of clothes.
• Once I saw a small sparrow’s nest made of dry grass on a neem tree near the school.
• I also, saw a bubul’s nest near my home which was very beautiful and round but it was destroyed as the tree was cut down.

Question 3.
Discuss the topic-‘If there are no trees, what will be the impact on our lives?’
Answer:

• Lack of Oxygen-Trees provides oxygen, without them it would be difficult to breathe.
• Increase in pollution-Trees clean the air, without them dust and disease will increase.
• Climate change-Deforestation will increase in heat and drought.
• Loss of livelihood-The income of villagers will be affected due to shortage of fruits, vegetables wood etc.
• Loss of Biodiversity-If birds, insects and animals become homeless, the food chain will be disturbed.
• Emotional Impact-Without greenery life becomes dull and stressful.

Question 4.
How would you contact your distant relative if you did not have any means of communication?
Answer:

• Traditional Methods-
  • Write a letter and send it by post.
  • Sending a message through a known person.
  • Visit personally.
• Local Resources-
  • Sending information through village head or Panchayat.

Question 5.
Do yo know any mode of transport that is used exclusively only in Rajasthan?
Answer:

• Camel Cart-Carts drawn by camels are used for tourists and local transport in Thar desert especially in Jaisalmer and Bikaner.
• Sand vehicles-Special dune buggies or 4 × 4 jeeps are used in deserts.

Question 6.
What is the difference between weather of Jaisalmer and Mount Abu? Explain in your own language.
Answer:
Jaisalmer is very hot and dry region. There are sand dunes and few trees. The temperature goes upto 45°C in summer. Rainfall is very less. Mount Abu is hilly area. Weather remains pleasant, cool. Lot of trees lush green forests can be seen here.

Question 7.
If you had to travel to any place where the weather is different from that of Jaisalmer and Mount Abu, which place would it be and why?
Answer:

• Place-Shimla (Himachal Pradesh)
• Reason-Weather of Shimla is different from the heat of Jaisalmer and humidity of Mount Abu. It has snowfall and cold (0-10°C) in winters. It gives completely a different experience from the weather of Rajasthan. Shimla remains cools even in summers.

Question 8.
Which methods of saving water are adopted in your home?
Answer:

1. A bucket is used for bathing not a shower.
2. The leftover water from kitchen and washing clothes is given to plants.
3. Water taps and pipes are repaired to prevent leakage.
4. Rainwater harvesting is practiced.
5. Flushing and other devices that need more water are used less.

Question 9.
Have you ever noticed that some substances dissolve in water and some do not? Give examples.
Answer:
Substances that dissolve in water-

• Salt-Dissolves completely in water.
• Sugar-Dissolves in water to form a sweet solution.
• Turmeric-Partially dissolves and turns water yellow.

Substances that do not dissolve in water-

• Oil-Floats on water.
• Soil-Settels down in water.
• Plastic-Does not dissolve in water.

Question 10.
Why is there a lot of water problem in Rajasthan? What suggestions would you give to reduce it?
Answer:
Rajasthan gets little rainfall. Weather is very hot and there are not many rivers in Rajasthan. Suggestions to reduce water problem are-

1. Rain water harvesting
2. Growing more trees
3. Drip irrigation etc.

Question 11.
If the trees are being cut in your area then what actions would you take?
Answer:

• Complaining to the local administration (forest department or Panchayat).
• Organising the community to protest like Khejarli movement.
• Spreading awareness through rallies, posters, social media etc.
• Taking legal actions.
• Compensation for felling of trees by planting new trees.

Question 12.
What do we learn from Khejarli movement?
Answer:

1. Sacrifice for nature-Bishnoi community sacrificed their lives to save Khejri trees.
2. Community Unity-By being united we can protect the environment.
3. Importance of local species-Trees like Khejri are important for ecology and culture.
4. Awareness-Education and campaigns are necessary for environmental protection.
5. Policy change-Trees felling was stopped after the movement which shows collective power against injustice.

Question 13.
If the forests are completely destroyed, then what will be its impact on the environment and human life?
Answer:
Effect on environment-

• Decrease of oxygen and increase of carbon dioxide cause climate change.
• Soil erosion occurs and the land becomes barren.
• Rainfall decreases and drought occurs or uncontrolled rainfall also causes floods.
• Biodiversity is lost, species become extinct.

Effect on human life-

• Pollution causes respiratory diseases and other health problems.
• There is shortage of food, wood, fruits, flowers and medicines.
• The livelihood of tribals and farmers is lost.
• Natural disasters (landslides, heat) increase.

Question 14.
Which trees are found in abundance in your village or city and what are their uses?
Answer:
The following trees are found in abundance in our village-
(i) Khejri
Uses-Sangri (pod) for eating, animal fodder, shade, making soil fertile.
(ii) Neem
Uses-Medicine (leaves, oil), pest control, shade, wood.
(iii) Banyan
Uses-Shade, religious significance, leaf, nests, oxygen.
(iv) Mango
Uses-Shade, fruit, wood.
(v) Acacia
Uses-Wood, gum, animal fodder.

Written Assessment-
Choose the correct answer-

Question 1.
What type of region is Mount Abu in Rajasthan?
(a) Desert
(b) Hilly
(c) Plains
(d) Marshy
Answer:
(b) Hilly

Question 2.
With which material does the baya weaver bird make its nest?
(a) Wood
(b) Pebbles
(c) Straw and grass
(d) Soil
Answer:
(c) Straw and grass

Question 3.
What does a spider use its web for?
(a) To play
(b) to take rest
(c) to catch prey-
(d) to drink water
Answer:
(c) to catch prey-

Question 4.
What are the wind mills found in Jaisalmer used for?
(a) for farming
(b) for electricity generation
(c) to draw water
(d) to build a house
Answer:
(b) for electricity generation

Question 5.
Which substance completely dissolved in water?
(a) Oil
(b) Turmeric
(c) Salt
(d) Soil
Answer:
(c) Salt

Question 6.
When turmeric is added to water it-
(a) changes its colour
(b) settles at the bottom
(c) both (a) and (b)
(d) evaporates
Answer:
(c) both (a) and (b)

Question 7.
What increases the speed of evaporation of water?
(a) Low temperature
(b) High temperature
(c) Darkness
(d) Heavy objects
Answer:
(b) High temperature

Question 8.
What is affected by deforestation?
(a) Wild life
(b) Climate
(c) Human life
(d) All of the above
Answer:
(d) All of the above

Fill in the blanks-

1. In the desert regiorr of Rajasthan, the days are ______ and the nights are ______
Answer:
warm, cool

2. A spider makes its web from ______.
Answer:
silk threads

3. An example of cold region in Rajasthan is ______.
Answer:
Mount Abu

4. On the day of Sheetla Saptami, ______ food is eaten.
Answer:
stale

5. A carpenter makes ______ and ______.
Answer:
furniture, mandaps

6. To control the traffic at railway stations ______ is used.
Answer:
signal system

7. During the journey from Mohangarh to Jaisalmer, the children were experiencing ______ and ______ weather.
Answer:
hot sun, dry

8. In Jaisalmer, electricity is generated from ______.
Answer:
windmills

9. In Rajasthan average rainfall is ______.
Answer:
less

10. To keep the water clean, we should use ______.
Answer:
filter (boiling, filtering)

11. Due to the indiscriminate cutting of the forests, the balance of ______ gets disturbed.
Answer:
nature

12. ______ sacrificed their lives in the Khejrali movement.
Answer:
The Bishnoi community.

Match-

Column ‘A’	Column ‘B’
1. Baya weaver bird	(a) burrow
2. spider	(b) nest
3. rabbit	(c) eats dead creatures
4. vulture	(d) web
5. carpenter	(e) sew wedding dresses
6. tailor	(f) public transport
7. bus	(g) mandap making
8. Jaisalmer	(h) desert area

Answer:

Column ‘A’	Column ‘B’
1. Baya weaver bird	(b) nest
2. spider	(d) web
3. rabbit	(a) burrow
4. vulture	(c) eats dead creatures
5. carpenter	(g) mandap making
6. tailor	(e) sew wedding dresses
7. bus	(f) public transport
8. Jaisalmer	(h) desert area

Write True/False-

1. Mount Abu is located in the desert region of Rajasthan.
Answer: False

2. All birds make similar nests.
Answer: False

3. Spiders use their webs to catch food.
Answer: True

4. There is no rainy season in Rajasthan.
Answer: False

5. A vulture eats only grains.
Answer: False

6. A camel is an important means of transportation in Rajasthan.
Answer: True

7. Mobile phone is for entertainment only.
Answer: False

8. Jaisalmer gets heavy rainfall.
Answer: False

9. Mount abu is a mountainous region of Rajasthan.
Answer: True

10. Turmeric floats on water.
Answer: False

11. Sugar dissolves quickly in hot water.
Answer: True

12. Deforestation increases rainfall.
Answer: False

13. The forest is the home of birds and animals.
Answer: True

Answer in two-three lines (20-30 words)

Question 1.
What is the difference between the weather of Mount Abu and Jaisalmer?
Answer:
Mount Abu is cool and hilly area, while Jaisalmer is hot and desert area. Mount Abu receives more rainfall but Jaisalmer receives very little rainfall.

Question 2.
How do the birds make nests?
Answer:
Birds make their nests from straws, grass, leaves and mud. They build it on the ground, trees, bushes or rocks.

Question 3.
What is the use of spider’s web?
Answer:
Web is home of spider but it also a way to catch its food. Insect gets trapped and spider catches it and eats it.

Question 4.
What type of houses do people build in the desert areas of Rajasthan?
Answer:
In desert areas of Rajasthan, people build houses with soil, stones and with less wood. They build mud houses which protect them from heat.

Question 5.
What ingredients does a cook use at wedding?
Answer:
Cook uses flour, sugar, ghee, dry fruits, milk, spices, vegetables, fruits etc. at wedding.

Question 6.
What can we do to reduce traffic jams?
Answer:
Traffic jams can be reduced by using public transport, carpooling and by planning travel on time.

Question 7.
What is the contribution of the sparrows to the environment?
Answer:
Sparrow protects the environment by eating insects and helps plants by spreading their seeds.

Question 8.
Why is the electrical work important?
Answer:
Electricity is important for operating lights, fans and to make daily life easier.

Question 9.
What was the difference in the temperature of Jaisalmer and Mount Abu?
Answer:
The temperature in Jaisalmer was hot