SST-7 Our Environment

Which one of the following is created by nature?

• Cars, scooters and buses

• Mountains, rivers and trees

• Roads, books, pen and copies

• All of these

The domain (or realm) of water is referred to

• hydrosphere

• lithosphere

• atmosphere

• biosphere

What do plant and animal kingdom make together?

• Biosphere

• Hydrosphere

• Atmosphere

• All of these

Who interact with the environment and modify it according to their needs?

• Human beings
• Animals
• Rivers
• Mountains

Which one of the following is NOT a threat to environment?

• Growing population

• Growing plants

• Growing industries

• All of these

Which one of the following is NOT part of the lithosphere ?

• Rocks

• Plateaus

• Oceans

• Mountains

Biotic component of the environment does not include

• Rocks

• Animals

• Micro-organism

• Plants

Which of the following is the most abundant Gas present in Atmosphere?

• Oxygen

• Nitrogen

• Carbon dioxide

• Hydrogen

Which force holds the atmosphere close to Earth?

• Force of Attraction

• Force of Gravity

• Force of Fixation

• Force of Addition

The great variety of life on Earth is termed as:

• Biosphere

• Biodiversity

• Biovariety

• Biolife