Question 1

What is the main source of energy for the Earth's food webs?

Accepted Answer

The Sun

Answer

The Moon

Answer

Ocean currents

Answer

Volcanoes

Question 2

Which of the following processes forms sedimentary rocks?

Accepted Answer

Compaction and cementation of sediments

Answer

Erosion of mountains

Answer

Metamorphism under pressure

Answer

Molten rock cooling

Question 3

In the solar system, which planet is known as the 'Red Planet'?

Accepted Answer

Mars

Answer

Venus

Answer

Jupiter

Answer

Saturn

Question 4

What do we call the network of interconnected food chains in an ecosystem?

Accepted Answer

Food web

Answer

Food chain

Answer

Habitat

Answer

Ecosystem

Question 5

What is the primary function of producers in a food web?

Accepted Answer

To convert sunlight into energy

Answer

To consume other organisms

Answer

To regulate the population of consumers

Answer

To decompose dead matter

Question 6

Which rock type is formed from the cooling and solidification of magma?

Accepted Answer

Igneous rock

Answer

Organic rock

Answer

Metamorphic rock

Answer

Sedimentary rock

Question 7

Which planet is the largest in our solar system?

Accepted Answer

Jupiter

Answer

Mars

Answer

Earth

Answer

Saturn

Question 8

What role do decomposers play in an ecosystem?

Accepted Answer

They break down dead organic material

Answer

They create new sediments

Answer

They produce energy from sunlight

Answer

They consume plants and animals

Question 9

What is the main factor that drives the water cycle?

Accepted Answer

The Sun's energy

Answer

Moon's gravity

Answer

Wind patterns

Answer

Ocean currents

Question 10

Which layer of Earth's atmosphere contains the ozone layer?

Accepted Answer

Stratosphere

Answer

Mesosphere

Answer

Thermosphere

Answer

Troposphere

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