Top 150+ Solved Rocks and Mountains MCQ Questions Answer
Q. The highest grade of coal whose surface is shining and has the highest calorific value,is:
a. Anthracite
b. Bituminous
c. Lignite
d. Peat
Q. Which of the following forms of coal is the oldest? [IES 1991]
a. Peat
b. Lignite
c. Bituminous
d. Anthracite
Q. Which form of coal is mainly suitable for producing thermal power? [CDS 2001]
a. Anthracite
b. Bituminous
c. Lignite
d. Peat
Q. Which of the following types of coal represents the first stage of formation of coal?
a. Anthracite
b. Lignite
c. Peat
d. Bituminous
Q. Which of the following is/are the examples of the sedimentary rocks? [IAS 2003] 1. Limestone 2. Dolomite 3. Breccia 4. Coal
a. 1 and 2
b. 2 and 4
c. 1, 2 and 4
d. 1, 2, 3 and 4
Q. The best representative of the acid igneous rocks is : [IAS 2003]
a. Basalt
b. Granite
c. Dolerite
d. Gabbro
Q. Igneous rocks are said to be acidic when they contain high proportion of:
a. iron
b. magnesium
c. silica
d. aluminium
Q. Batholiths and Laccoliths are formations of: [NDA 2003]
a. sedimentary rocks
b. igneous rocks
c. metamorphic rocks
d. polymetamorphosed rocks
Q. A block of the earth's crust that has remained in position while the ground around it hassubsides is known as : [NDA 2001]
a. horst
b. plain
c. plateau
d. young folded mountain
Q. Consider the following statements: 1. Igneous rocks are classified into Extrusive and Intrusive rocks. 2. Sedimentary rocks are also called as Primary rocks 3. Marble is an example of Metamorphic rocks 4. Coal is a sedimentary rock Which of the above statements is/are correct? [NDA 2002]
a. 1 only
b. 2 and 3
c. 1, 3 and 4
d. 2 and 4
Q. India broke away from Australia and Antarctica and started moving north in the periodof: [IAS 2003]
a. Permian
b. Triassic
c. Jurassic
d. Cretaceous
Q. The well-defined zones of seismic activity in the world where the largest number ofearthquakes originates is :
a. Mediterranean Zone
b. Circum Pacific Belt
c. Mid oceanic Rift Valley Zone
d. African Rift Valley Zone
Q. Which one of the following types of volcanic eruptions is not usually explosive? [IAS 2007]
a. Pelean
b. Hawaiian
c. Strombolian
d. Vulcanian
Q. Which of the following are true with regard to igneous rocks? 1. They are formed inside the earth, under great pressure 2. They do not occur in layer 3. They are mostly crystalline in nature 4. They contain fossils
a. I, II and III
b. II, III and IV
c. II and III
d. I and IV
Q. Which of the following are true with respect to sedimentary rocks? 1. The rocks are deposited in layers 2. The particles of rocks are at times wholly of organic nature 3. The rocks are not crystalline 4. Their structure is determined by great pressure or heat
a. I, II and III
b. II and III
c. I and IV
d. I and II