Nagarjuna Government College BSc Geology Model Question Paper : www.ngcnalgonda.org

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Nagarjuna Government College
B.Sc III semester Geology
Model Question paper
Paper: III
( Igneous petrology and Sedimentary Petrology)
Time:2 ½ Hrs max. Marks:40

Model Question List : http://ngcnalgonda.org/Departments/g...delpapers.html
Model Question Paper : http://ngcnalgonda.org/Departments/g...n%20papers.pdf

Section-A
( marks: 4x8=32)
Answer all questions, each question carry equal marks.
1. Write an essay on intrusive forms of Igneous rocks.
Or
Describe the textures of igneous rocks

2. What are the basis for classification of Igneous rocks.
Or
Write about the origin of Igneous rocks.

3. Describe the structures of sedimentary rocks.
Or
Write an essay on chemical weathering of rocks.

4. How sedimentary rocks are classified as clastic and nonclastic.
Or
Write about continental environment.

Section-B
( marks: 4x2=8)
Answer any four from the following
5. Amygdaloidal and vasicular.
6. Types of rocks.
7. Granite.
8. Eutectic
9. Lithification
10. Grain size
11. Rudaceous rocks
12. Sandstone.