EASY
3rd Tamil Nadu Board
IMPORTANT
Earn 100

Write the needs of the following.

1. Birds :

2. Insects :

3. Human beings:   

Important Questions on Our Environment

MEDIUM
3rd Tamil Nadu Board
IMPORTANT

There is a large banyan tree in a park. Monkeys and birds have made the tree their home. Humans too spend time under the tree. Discuss how the tree, monkeys, birds, and humans are interdependent.                 

 

MEDIUM
3rd Tamil Nadu Board
IMPORTANT

Why is plant the most important living thing?  

MEDIUM
3rd Tamil Nadu Board
IMPORTANT

Create an interlink of living and non-living factors.  

MEDIUM
3rd Tamil Nadu Board
IMPORTANT

Write the abiotic factors needed for following biotic factors to survive.  

(Air, Water, Sunlight, Soil, Land, Wheat, Fruits, Grass, Hen)

a. Animals:

b. Plants:

c. Human beings: 

 

MEDIUM
3rd Tamil Nadu Board
IMPORTANT

Name the following animals.
An animal that

a. Flies in the air is:                         

b. Lives in water is:              

c. Moves on the ground is:          

d. Eats only plants is:                      

                 

MEDIUM
3rd Tamil Nadu Board
IMPORTANT

Classify the following biotic factors.

(Tulsi, Fungi, Mango tree, Rabbit, Eagle, Cat, Dog, Cucumber plant, Human, Grass, Crocodile, Crow, Bacteria)

Producers:

Consumers:

Decomposers:

MEDIUM
3rd Tamil Nadu Board
IMPORTANT

Plants and human beings are living things. Why do human beings depend on plants?            

MEDIUM
3rd Tamil Nadu Board
IMPORTANT

The names of several natural resources are hidden in the box below. Find as many as possible. Some words are repeated.  

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