Igneous Rocks

Q. Which of the following rocks can float on water?

1. Pumice
2. Marble
3. Basalt
4. Sandstone

Q. Igneous rocks are mostly found in 'X', a state in India. These rocks were extracted and used for the construction of forts and other buildings. What is 'X'?

1. Madhya Pradesh
2. Maharashtra
3. Bihar
4. Assam

Q. Identify the examples of igneous rocks.

1. Pumice
2. Marble
3. Basalt
4. Sandstone

Q. The Maharashtra Plateau and the Sahyadris are composed of ____ rocks.

1. igneous
2. sedimentary
3. laterite
4. metamorphic

Q. Which type of rock is found under the ocean where there is a lot of pressure?

1. Metamorphic
2. Laterite
3. Igneous
4. Sedimentary

Q.

The northwestern part of the Deccan Plateau is made up of ____________

1. Igneous rocks

2. Sedimentary rocks

3. Metamorphic rocks

4. All of the above

Q. I am an example of an igneous rock and formed out of volcanic froth. I am porous in nature. My density is quite low and this lets me float on water. Who am I?

1. Basalt
2. Coal
3. Quartzite
4. Pumice

Q.

How was the great peninsular plateau formed?

Q. Identify the characteristics of pumice from the following.

1. Non-porous
2. Porous
3. Low density
4. Can float on water

Q. The oceanic crust consists mainly of _________.

1. basaltic rocks
2. ultramafic rocks
3. granitic rocks
4. gabbroic rocks

Q. Igneous rocks are also called Primary Rocks or Mother rocks.