Advertisements
Advertisements
प्रश्न
Give one word for the following.
The lower part of ocean floor, comprising mainly of silica.
Advertisements
उत्तर
SIMA
संबंधित प्रश्न
Why is diamond clear and hard while graphite is soft?
Write True or False. Rewrite the false statement correctly :
Igneous and sedimentary rocks can change into metamorphic rocks.
What is crust?
Classify the following rocks by selecting the correct option given below:
basalt
Distinguish between the following pair:
Degradation and aggradation
Name three types of rocks.
Give one difference between Extrusive igneous and Intrusive igneous rocks.
Which rocks are associated with fossil fuels?
Distinguish between the following:
Acid Igneous Rocks and Basic Igneous Rocks.
State the types of rocks for the formation of which the following process is involved.
Accumulation takes place over long periods of time in seas, lakes and streams.
How are chemically-formed sedimentary rocks produced?
Give one word for the following.
Igneous rocks, which contain a low percentage of silica.
Give one word for the following.
The best example of chemically-formed sedimentary rock, which has been formed by the evaporation of water from solution containing minerals.
Give one term for the following statement:
It has a definite chemical composition with its own chemical and physical properties.
Volcanic mountains are covered with sedimentary rocks.
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Match the following:
| Group 'A' | Group 'B' | ||
| A. | Granite | 1. | Bedrock |
| B. | Soil layer | 2. | Plutonic rock |
| C. | Barren island | 3. | Strip farming |
| D. | Soil conservation | 4. | Active Volcano |
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
