Question : When a volcano erupts on Earth, the erupted material is typically a liquid rock known as ____.
Option 1: plasma
Option 2: lava
Option 3: hailstone
Option 4: mercury
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Correct Answer: lava
Solution : The correct option is lava.
Lava is molten rock that emerges during a volcanic eruption and flows on the Earth's surface. Lava is composed of molten rock, minerals, gases, and other volatile substances. Lava flows can be destructive to landscapes and infrastructure, but they typically move at relatively slow speeds, allowing people to evacuate.
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Question : Directions: In a certain code language, if sky is known as earth, earth is known as water, water is known as air, air is known as light, and light is known as sound, then what is it that humans breathe in?
Option 1: Air
Option 2: Earth
Option 3: Light
Option 4: Water
Question : Limestone is a type of______.
Option 1: sedimentary rock
Option 2: metamorphic rock
Option 3: igneous rock
Option 4: volcanic rock
Question : Which layer of the soil has a maximum concentration of humus?
Option 1: Parent rock
Option 2: Weathered rock material
Option 3: Topsoil
Option 4: Subsoil
Question : Which planet in the solar system is considered as Earth’s twin?
Option 1: Mercury
Option 2: Saturn
Option 3: Neptune
Option 4: Venus
Question : Which is the smallest planet in our solar system?
Option 1: Venus
Option 2: Mars
Option 3: Mercury
Option 4: Earth
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