Our Environment Class 10

Geophages feed on dead organic matter present ____ .

• plants

• in soil

• in the body

• on surface

The lion in the above picture is ____.

• producer

• herbivore

• carnivore

• omnivore

Name the animals which are at the tertiary trophic level?

• omnivores

• carnivores

• herbivores

• producers

Primary trophic level organisms are as follows

• BGA

• green algae

• green plants

• all of the above

Plants get ____ J of energy from the sun.

• 5000 J

• 6500 J

• 1000 J

• 8000 J

How much energy is lost in the environment?

• 20 %

• 90 %

• 100 %

• 50 %

How much energy is available to herbivores?

• 10 J

• 20 J

• 50 J

• 15 J

What is the molecular formula of Ozone?

• O

• O₂

• O₃

• O₄

Harmful effects of ozone are

• pneumonia

• eyes itchiness

• nasal cavity problems

• all of the above

Which are the causes of pollution?

• Due to unlimited growth of human population.

• Rapid industrialization

• Uncontrolled use of vehicles

• All of the above