Earth and Life Science Q1

Which Bio-Geo-Chemical process shows a constant exchange of heat and moisture between the atmosphere and the hydrosphere?

• Nitrogen Cycle

• Oxygen-CO_2­ Cycle

• Water Cycle

• Weathering

What part of the Earth includes all life forms & even organic matter?

• atmosphere

• biosphere

• geosphere

• hydrosphere

How do the geosphere and the biosphere interact?

• Soil contains living parts.

• Water rains onto the geosphere.

• Bacteria is in the air.

The Earth's axis is tilted _____ degrees.

• 23

• 25.3
• 30.2
• 24

Which of the following is TRUE about the Nebular Hypothesis?

• Before the Big Bang, the universe was once a cloud of gas called the nebula.

• The solar system came to existence because of the presence planets and stars which came together because of gravitational attraction.

• Nebular Hypothesis believes that the formation of universe is caused by the collision of the sun with another star.

• Solar system came from a cloud of gas which later condensed to form the planets and its satellites which then started to rotate around the sun.

Which Earth sphere contains oxygen, water vapor, nitrogen and other gases to help us survive?

• atmosphere

• biosphere

• geosphere

• hydrosphere

What is the name of the thin layer of solid rock that makes up the outermost part of Earth?

• core

• mantle

• biosphere

• crust

This hypothesis states that the entire solar system started as a large cloud of gas that contracted due to self -gravity

• Big Bang

• Encounter Hypothesis

• Nebular Hypothesis

• Protoplanet Hypothesis

3. According to this theory God separated light from darkness, created the sky, land, sea, moon, stars, and every living creature.

• STOIC THEORY

• ATOMIC THEORY

• INFINITE UNIVERSE THEORY

• CREATION THEORY

7. It comprised of all the Earth's water including water in the surface and ground water.

• HYDROSPHERE

• ATMOSPHERE

• CRYOSPHERE

• GEOSPHERE