Environmental Studies Worksheet-7

Environmental Studies Worksheet-7

 

  1. How can you spoil renewable resources such as water and air?

A. By not using them                   B. By polluting them

C. By using them                          D. By cleaning them

 

  1. How old are the fossils?

A. Thousands to ten thousands seconds old

B. Thousands to billions years old

C. A couple of years old

D. A few days old

 

  1. In a pucca house, the doors are usually made of _____, while all the windows are made up of _____.

A. Wood, iron                                B. Iron, wood

C. Glass, iron                                 D. Cement, wood

 

  1. Which of the following is not a domestic animal?

A. Buffalo          B. Cow                C. Leopard        D. Horse

 

  1. Which of the following activities requires the presence of air?

A. Burning of wood                      B. Respiration

C. Flying of aeroplane                 D. All of these

 

  1. Asma lit a perfume stick in the corner of a room. When she stood at the other corner, she smelled the perfume after sometime. What can we conclude from this?

A. Room produces perfume when a perfume stick is lit in a corner

B. All the air present in a room gives perfume

C. Perfumes do not spread from one place to another

D. All gases, including perfumes, have the property of spreading from one place to another

 

  1. Equal amount of water was kept in four containers in the following manner.

In which of the container will water evaporate the fastest?

A. 1                      B. 2                      C. 3                      D. 4

 

  1. The name of International Airline of India is _______.

A. Air India                                   B. Indian Airlines

C. International India                 D. Both (A) & (B).

 

  1. We get rain through the continuous_____ and _____ of water.

A. Radiation, evaporation          B. Evaporation, condensation

C. Melting, boiling                       D. Boiling, freezing

 

  1. Take some muddy water in a beaker. Filter it in the different ways as shown below. Which of the following is the best method of filtration?

A. Filtering through clean cloth

         

B. Filtering through strainer

           

C. Filtering through filter paper

D. None of these.

 

Answer Key:

(1)–B; (2)–B; (3)–A; (4)–C; (5)–D; (6)–D; (7)–D; (8)–A; (9)–B; (10)–C