Question : Metamorphic rocks originate from-

Option 1: igneous rocks

Option 2: sedimentary rocks

Option 3: both igneous and sedimentary rocks

Option 4: None of these.

Question : Which among the following rocks may contain fossils of plants, animals and other microorganisms that once lived on them?

Option 1: Metamorphic rocks

Option 2: Intrusive igneous rocks

Option 3: Sedimentary rocks

Option 4: Extrusive igneous rocks

Question : A natural process of mechanical disintegration and/or chemical decomposition of the rocks of the crust of the Earth by certain physical and chemical agencies of the atmosphere is known as

Option 1: solidification of rocks

Option 2: weathering

Option 3: new rock formation

Option 4: watering of rocks

Question : Which of the following is/are 'rain clouds'?

1 Cirrus

2 Nimbostratus

3 Cumulonimbus

4 Altocumulus

Option 1: 1 and 2 only

Option 2: 2 and 3 only

Option 3: 3 and 4 only

Option 4: 1 and 4 only

Question : The chemical composition of cement is

Option 1: Limestone and Clay

Option 2: Limestone, Clay and Gypsum

Option 3: Limestone and Iron

Option 4: Clay and Gypsum