RBSE Class 3 EVS We Learnt and Understood-3 Question Answer

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RBSE Class 3rd EVS We Learnt and Understood-3 Question Answer

(A) Oral Questions-

Questions-Answer-

Question 1.
Which trees and plants are found in your village or neighbourhood? Name them.
Answer:
Khejri, Neem, Babool, Rohida, Mango, Banyan, Kair etc. trees are found in our village. These trees are sufficiently found in Rajasthan.

Question 2.
If trees could speak, what would they say to you? Imagine and answer.
Answer:
Trees say, “Don’t cut us, we give you shade, oxygen, fruits, vegetables etc. Save water, so that we can survive and fill the whole world with greenery.”

Question 3.
Stars twinkle in the night sky, but why are they not visible during the day?
Answer:
During the day time, sunlight hides the shine of stars. So, they are visible during night time but not visible during the day time.

Question 4.
Is there any famous place in your village or town? Identify it and say two sentences about it.
Answer:
Yes, Sonar Fort of Jaisalmer is a famous place. It is made of golden stones. It shines like gold at the time of sunset. There is a city inside the fort where thousands of people live.

Question 5.
If you have to explain the way to your house to someone, how would you tell?
Answer:
Turn right from the market, walk 200 meters and turn left near the Khejri tree, my house is 100 meters ahead.

(B) Written Assessment-

Choose the correct answer-

Question 1.
Which tree is found most in Rajasthan?
(a) Neem
(b) Khejri
(c) Mango
(d) Banyan
Answer:
(b) Khejri

Question 2.
In which direction does the Pole Star always appear?
(a) South
(b) West
(c) North
(d) East
Answer:
(c) North

Question 3.
There are _______ in the class?
(a) Blackboard
(b) Chairs
(c) Table
(d) All of the above
Answer:
(d) All of the above

Question 4.
How does the moon appear at night?
(a) White
(b) Red
(c) Blue
(d) Black
Answer:
(b) Red

Fill in the blanks-

1. Trees give us _______ and shade.
Answer: oxygen

2. A group of stars is called _______.
Answer: constellation

3. There are small _______ on the surface of the moon.
Answer: craters

4. To make a map around our house,_______ is needed.
Answer: chart paper

Read the sentences given below and mark them as True (✓) or False (×)-

1. The shape of the moon changes every day.
Answer: ✓

2. All plants have the same type of stem.
Answer: ×

3. Trees are only for giving fruit.
Answer: ×

4. Making a map makes it easier to understand places.
Answer: ✓

Match the following-

Answer:

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

Question 1.
What is the function of plant roots?
Answer:
The roots of plants absorb water and nutrients from soil. They hold the plant firmly inside the soil.

Question 2.
Why are stars not visible during the day?
Answer:
During the day the sky appears blue due to the bright sunlight which makes the stars invisible but at night when the sky is clear the star becomes more visible.

Question 3.
What is the use of a map?
Answer:

• Maps helps in understanding location and direction.
• Maps are useful in travelling and planning.

Question 4.
Which are the two major trees found in Rajasthan?
Answer:
Khejri and Neem are the two major trees found in Rajasthan. They support life in desert.

Question 5.
When is the full shape of the moon visible?
Answer:
The full shape of the moon is visible on the full moon day, the moon is fully illuminated by sunlight. This occurs on the 14th or 15th day of the Lunar month.

Question 6.
What is the difference between trees, shrubs and creepers?
Answer:
Trees are long, strong and shady. Shurbs are small and multibranched while creepers take support to climb. Size, strength, growth etc. of trees, shrubs and creepers are different.