Q1.What is the innermost layer of the Earth, mainly made up of nickel and iron, commonly called?

Q2.What is defined as any natural mass of mineral matter that makes up the earth’s crust?

Q3.Which of the following is NOT one of the three major types of rocks mentioned in the text?

Q4.Rocks formed when molten magma cools and becomes solid are also known as what?

Q5.Which type of igneous rock is formed when molten lava rapidly cools down on the earth's surface and has a very fine-grained structure?

Q6.The Deccan plateau is primarily made up of which type of rock?

Q7.Which of the following rocks is an example of an intrusive igneous rock, known for forming large grains due to slow cooling deep inside the earth's crust?

Q8.Which type of rock is formed from the compression and hardening of loose sediments and may contain fossils of plants and animals?

Q9.Under great heat and pressure, clay can change into which of the following metamorphic rocks?

Q10.The Taj Mahal, one of India's most iconic monuments, is primarily constructed from which type of rock?