Q.1

Consider the following statements and choose the correct option:

Statement 1: A man cuts down the trees and modifies his environment to make life comfortable. By deforestation, he clears the land for agriculture, industries and habitat.

Statement 2: Plants and animals are interdependent. The decay of dead plants and animals provides nutrition to the soil which in turn help in the growth of plants and trees.

Q.2

Observe the group of food items shown below carefully.
Which group of foods do they belong to based on their function?

Q.3

State which of the following statements are true or false:

1. The painting uses the separation process of evaporation.
2. The separation process of winnowing is used to separate salt from water.
3. Water droplets are seen on the outer surface of a glass when cold water is poured in it. This is due to the condensation of water vapour present in the atmosphere.

Q.4

What is common between the two animals shown below?

Q.5

Fill in the blank:

In a banyan tree, roots grow from the branches, reach the soil and continue growing below the soil. These are called ________________ roots.

Q.6

Choose the correct option and complete the following sentence:

Rayon is different from truly synthetic fibres because _______________.

Q.7

Observe the food pyramid shown below and answer the following question:

1. Level 1 is rich in which nutrient?
2. Food items of which level should be consumed in very less quantity?

Q.8

Choose the correct option and complete the sentence given below:

When harmful substances mix with air and make it dirty, it is called air pollution. Air pollution does not cause __________________________.

Q.9

Different bird species have differently shaped beaks because each species has evolved a beak design that suits its diet and lifestyle.
Observe the beaks of these birds below. Which of these birds cannot eat flesh?

Q.10

We eat different types of food every day. Food gives us the energy to work, play and live.
Which of the following food components are called bodybuilding foods?