CLASS - IX | Part-A | CHAPTER - 5 GREEN SKILLS-I ( Worksheet-2 )

 

CLASS – IX

SUBJECT – INFORMATION TECHNOLOGY

CHAPTER – GREEN SKILLS – I

 Session – 2 (Our Influence on Natural Environment)

Q1.         Which of the following is not the result of overpopulation of the planet?

a.       Increased land use

b.      Deforestation

c.       More CO₂

d.      Increased rainfall

Answer:  Increased rainfall

 

Q2.         Which of the following waste is considered non-biodegradable as compared to others?

a.       Orange peels

b.      Wool socks

c.       Styrofoam

d.      Plastic

Answer: Styrofoam and Plastic

 

Q3.         Discarded electronic device, smartphones, laptops, monitors, mouse etc. all collectively called ______.

a.       Water material

b.      Metal waste

c.       Residual waste

d.      Electronic waste

Answer:  Electronic waste

 

Q4.         Which of the following does not aid to greenhouse effect?

a.       CO₂

b.      Methane gas

c.       Contaminated water

d.      Depleted ozone layer

Answer: Contaminated water

Q5.         Which of the following  are not potential causes of global warming?

a.       CO₂

b.      Methane gas

c.       Contaminated water

d.      Depleted ozone layer

Answer: Contaminated water

Q6.         Which of the following are not the impacts of global warming?

a.       Increased sea water levels

b.      Rise in average temperatures

c.       Melted glaciers

d.      Increased rainfall

Answer: Increased rainfall

 

Q7.         Which is the following is not an impact of illegal mining?

a.       Dry lands

b.      Disturbed water levels

c.       Loss of habitat

d.      Pollution

Answer : Dry lands