Ozone Layer Depletion | Our Environment | Assessment | English | Grade 10

One molecule of ozone is made from ____ atoms of oxygen

• 1

• 2

• 3

• 4

Answer explanation

One molecule of ozone is made from 3 atoms of oxygen.

Tags

NGSS.MS-PS1-1

Due to various factors in upper atmosphere, the earth's ozone layer is depleting, this is called ______________

• Eutrophication

• Ozone layer depletion

• Incinerator

• biomagnification

Answer explanation

Due to various factors in upper atmosphere earth's ozone layer is depleting, this is called ozone layer depletion

Which of the following is not an effect of ozone layer depletion?

• Skin cancer

• Eye cancer

• Decrease in immunity

• pepsin ulcer

Answer explanation

Pepsin ulcer is not a effect of ozone layer depletion. All others are effect of ozone layer depletion.

Who among the following maintains the balance of carbon dioxide in environment with the help of photosynthesis process?

• Phytoplankton

• Eutrophication

• Incinerator

• biomagnification

Answer explanation

Phytoplankton maintains the balance of carbon dioxide in environment with the help of photosynthesis process.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is responsible for ozone layer depletion?

• Carbon dioxide

• Nitrogen

• Chlorofluorocarbon

• Hydrogen

Answer explanation

Chlorofluorocarbon is responsible for ozone layer depletion.

Which of the following can be used to avoid ozone layer depletion?

• Travel by motorcycle

• Use chemical fertilizers

• use chlorine based products for cleaning

• Travel by public transport

Answer explanation

Travel by public transport can be used to avoid ozone layer depletion.

Rahul has to work outdoors for 10 hours a day. After 4 years he developed a skin cancer. Which of the following can be possible reason for this?

• Eutrophication

• Ozone layer depletion

• Kidney stone

• biomagnification

Answer explanation

Ozone layer depletion causes the skin cancer, eye cancer and decrease in immunity. Hence option 2 is correct option.

Tags

NGSS.MS-LS1-5