Sedimentary rocks are called stratified rocks as

1. They are formed by the accumulation of lava
2. They are formed by the decomposition of rocks
3. They are deposited in layers
4. They are foliated

Which of the following statements is correct?

1. Igneous rocks are generally pervious in nature.
2. Sedimentary rocks have pore spaces.
3. Foliation is observed in igneous rocks.
4. Fossils are found in igneous rocks.

Which factor is responsible for the formation metamorphic rocks?

1. Duration of daylight
2. Heat & pressure
3. Weathering
4. None of the above

Which of following is the mechanically formed sedimentary rock?

1. Limestone
2. Dolomite
3. Sandstone
4. Chert