Advertisements
Advertisements
प्रश्न
Give one word for the following.
The lower part of ocean floor, comprising mainly of silica.
उत्तर
SIMA
APPEARS IN
संबंधित प्रश्न
Write True or False. Rewrite the false statement correctly :
Minerals are organic substances.
What are minerals?
Classify the following rocks by selecting the correct option given below:
basalt
How are igneous rocks formed?
Name three types of rocks.
Explain this term associated with rocks: Metamorphism
State the types of rocks for the formation of which the following process is involved.
Formation of large crystals, coarse texture and slow cooling and compaction.
State the types of rocks for the formation of which the following process is involved.
Decomposition of organic matter at different stages and over different periods of time.
How are sedimentary rocks classified on the basis of their formation?
What is metamorphism?
What are the chief characteristics of metamorphic rocks?
Classify the following rock: Peat
Give one word for the following.
Igneous rocks, which contain a low percentage of silica.
Give reasons for the following
Man’s habitat is the biosphere and not the lithosphere in the true sense.
Igneous rocks are found in the regions of volcanoes.
______ are chemical substances which exist in nature.
Explain the different types of sedimentary rocks.
Match the following.
| Group A | Group B | ||
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
