NCERT Solutions Class 4 Environmental Studies Chapter 3 A Day With Nandu

Find out (Page 22)

Q.1. What is your weight?

Ans. 40 kg.

 

Q.2. Nandu is only three months old, but he weighs 200kilograms. The weight of how many children like you will add up to Nandu’s weight?

Ans. Five children.

 

Page 24

Q.1. If you were Nandu, and you lived in a herd, what kinds of things would you do?

Ans. I would play, sin, dance, eat, etc.

Q.2. In the elephant herd, oldest female elephant decides everything. Who takes decisions about thing in your family?

Ans. My father.

 

Page 25

Q.1. Nandu did things that he liked to do. If you could spend a whole day to go around with your friends, what all would you do?

Ans. 1. Play

2. Dance

3. Sing

4. Eat

 

Q.2. Find out and write which are some of the animals that live in herds.

Ans. Sheep, elphants.

 

Q.3. Do you also live in a group? Do you like to live together like that? What do you think are the good points and the bad points of living in a group? Write them.

Ans.  Good Points:

(1) There may be quarrel.

(2) We get help from others.

(3) We have to do less work.

Bad Points:

(1) We can enjoy with others.

 

Page 26

Q.1. Have you ever taken ride on an elephant? How did it feel?

Ans. Yes. It feels great.

 

Q.2. Which animals have you sat on? Write their names.

Ans. Elephant, horse, came.

 

Think and Write (Page 27)

Q.1. Why is the egret sitting on the buffalo?

Ans. It eats insects on the skin of buffalo.

 

Q.2. Have you seen any animals reading on another animals? Write their names:

(1)  The animal which is riding.

Ans. Sparrow.

 

(2) The animal which gives the ride.

Ans. Buffalo, Crocodile.

 

Q.3. Write the names of animals that are used for riding on.

Ans. Elephant, horse, camel.

 

Q.4. Write the names of animals that are used for carrying loads.

Ans. Donkey, bullock, buffalo.

 

Discuss (Page 30)

Q.1. You have read what these animals say. Why you think that some of them are sad?

Ans. People use them for different purposes and then give them pain.

 

Q.2. How do you think they are different – the monkeys that dance to entertain people and the monkeys that are free?

Ans. The monkeys, which are free, are very happy. They get food in time, they do whatever they like, go wherever they want.

 

Question. I live in jungle. I love eating. I can eat everything that is found in forest like plants, fruits etc. I also eat other animals. Who I am guess.
(a) Rabbit
(b) Bear
(c) Tiger 
(d) Crocodile

Answer : B

Question. Which of the feet given below belongs to a creature that hops?.

Answer : B

Question. This is called a FOOD CHAIN because a deer eats grass, and a tiger eats a deer. Which of the following is a food chain?.

Answer : B

Question. A baby chicken grows inside an egg for 21 days before it hatches. From where does the baby chick get its food before it hatches?
(a)  It is fed by the mother hen.
(b) It doesn't need any food.
(c) It uses food stored in the egg.
(d) It eats the egg shell.

Answer : C

Question. Identify the one that does not belong to the group.
(a) DUCK
(b) LILY
(c) LOTUS
(d) RABBIT

Answer : D

Question. Some animals give birth to young ones. Some others lay eggs and hatch their young ones. Among these animals, which one gives birth to live young?

Answer : A

Question. Which of the following lists has only plant eating animals?
(a)  Cow, elephant, lion, rabbit
(b) Deer, cheetah, lion, butterfly.
(c) Elephant, cow, rabbit, goat
(d) Rabbit, vulture, tiger, deer.

Answer : C

Question. Dogs, cats, cows and elephants are alike in many ways. One is that they are all___________
(a) four legged insects
(b) four legged animals
(c) animals that live in water
(d) animals that can fly

Answer : B

Question. Observe the following groups of animals/birds. On what basis are these divided into two groups?

GROUP 1	GROUP 2
Horse	Lion
Rabbit	Eagle
Squirrel	Hawk
Elephant	Tiger

(a) Group 1 - Four footed  Group 2 - Two footed
(b) Group 1 - Plant eating --  Group 2 - Flesh eating
(c)  Group 2 - Non-furry tailed
(d) Group 1 - Live on land  --  Group 2 - Live in water

Answer : B

Question. Some animals have bones while others do not. Which of these do NOT have bones?
(a) FISH
(b) COCKROACH
(c) CAT
(d) BIRD

Answer : B