Stratigraphy MCQs with Answers

adminApril 6, 2024Last Updated: October 15, 2024

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Welcome to the Stratigraphy MCQs with Answers. In this post, we are sharing Stratigraphy Online Test in Biology branch for different competitive exams. Find practice questions with answers of the Stratigraphy test multiple choice questions with answers here. Each question offers a chance to enhance your knowledge regarding Stratigraphy.

Stratigraphy is the branch of geology that observes rock layers with regard to their mode of formation, composition, and chronology. The subject provides a basis to understand the geological history of Earth. It usually analyzes the sequence, thickness, and characteristics of the deposited sedimentary, igneous, and metamorphic strata. Stratigraphers study deposited layers because they often reflect chronological ordering; they infer past environments, conditions regarding the climate, and the tectonic activity that may have occurred.

This “law of superposition” means that within a sequence of rock which has not been disturbed, the older layers lie at the bottom and the newer on top. Stratigraphy also involves the process of looking for fossils within these layers, which in turn also helps in the dating besides correlating geological events from different regions.

Stratigraphy is essential in interpreting the history of Earth because it indicates when all the significant events, including mass extinctions and continental shifts, occurred. Further application occurs in fields like paleontology, archaeology, and petroleum geology because of the assistance it provides in finding fossil fuels as well as understanding ancient life and civilizations.

Stratigraphy MCQs with Answers Quiz

By presenting 3 options to choose from, Stratigraphy Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. Whether you’re a student looking to reinforce your understanding, our Biology Online Quiz platform has something for you.

Test Name: Stratigraphy Online Test
Type: MCQ’s
Total Questions: 60
Total Marks: 60
Time: 60 minutes

Note: Questions will be shuffled each time you start the test. Any question you have not answered will be marked incorrect. Once you are finished, click the View Results button.

Stratigraphy

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1 / 40

What is the term for the process by which rock layers are worn away by wind, water, or ice?

Erosion

Deposition

Weathering

2 / 40

Which of the following is a principle of stratigraphy that states that sedimentary rocks are deposited in continuous, laterally extensive layers?

Principle of cross-cutting relationships

Principle of superposition

Principle of lateral continuity

3 / 40

Which of the following is a method used in stratigraphy to study the sequence of events in Earth's history?

Geochronology

Lithostratigraphy

Biostratigraphy

4 / 40

What is the term for the process by which rocks are broken down into smaller particles and transported by wind, water, or ice?

Weathering

Erosion

Deposition

5 / 40

Which of the following is a method used in stratigraphy to study the absolute ages of rock layers?

Biostratigraphy

Relative dating

Radiometric dating

6 / 40

Which of the following is a method used in stratigraphy to determine the absolute ages of rock layers?

Radiometric dating

Relative dating

Biostratigraphy

7 / 40

What is the term for the study of the fossilized remains of ancient organisms found in rock layers?

Petrology

Stratigraphy

Paleontology

8 / 40

What is the term for a layer of sedimentary rock or soil with characteristics that distinguish it from other layers?

Igneous rock

Fossil

Stratum

9 / 40

Which of the following is a principle of stratigraphy that states that the strata in any particular area are generally continuous?

Principle of superposition

Principle of lateral continuity

Principle of cross-cutting relationships

10 / 40

Which of the following is a method used in stratigraphy to study the distribution of fossils in rock layers?

Lithostratigraphy

Chronostratigraphy

Biostratigraphy

11 / 40

Which of the following is a principle of stratigraphy that states that any rock unit that cuts across other layers must be younger than the layers it cuts?

Principle of cross-cutting relationships

Principle of superposition

Principle of original horizontality

12 / 40

Which of the following is a method used in stratigraphy to study the magnetic properties of rock layers?

Chronostratigraphy

Biostratigraphy

Magnetostratigraphy

13 / 40

Which of the following is a method used in stratigraphy to determine the relative ages of rock layers?

Absolute dating

Radioactive dating

Relative dating

14 / 40

Which of the following is a method used in stratigraphy to study the relative ages of rock layers based on the presence of index fossils?

Chronostratigraphy

Lithostratigraphy

Biostratigraphy

15 / 40

What is the term for the process by which sedimentary rocks are transported and deposited by water, wind, or ice?

Erosion

Sedimentation

Weathering

16 / 40

What is the term for the process by which sediments accumulate in layers over time?

Deposition

Weathering

Erosion

17 / 40

Which of the following is a principle of stratigraphy that states that fossil organisms succeed one another in a definite and determinable order?

Principle of faunal succession

Principle of original horizontality

Principle of superposition

18 / 40

What is the term for the process by which older rocks are buried beneath younger rocks?

Superposition

Folding

Erosion

19 / 40

What is the term for the process by which rocks are broken down by physical or chemical means?

Weathering

Erosion

Deposition

20 / 40

What is the term for the time it takes for half of the radioactive atoms in a sample to decay into stable daughter atoms?

Decay constant

Half-life

Isotope ratio

21 / 40

What is the term for the study of the ages of rock formations and geological events?

Stratigraphy

Geochronology

Paleontology

22 / 40

Which of the following is a principle of stratigraphy that states that layers of sediment are deposited horizontally under the action of gravity?

Principle of original horizontality

Principle of cross-cutting relationships

Principle of superposition

23 / 40

Which of the following is a principle of stratigraphy that states that the same succession of fossil assemblages should be found in the same order in any two (or more) layers that are similar in age?

Principle of original horizontality

Principle of superposition

Principle of faunal succession

24 / 40

What is the branch of geology concerned with the study of rock layers and layering?

Stratigraphy

Paleontology

Geomorphology

25 / 40

What is the term for the boundaries between different layers of sedimentary rock or strata?

Faults

Bedding planes

Fossils

26 / 40

Which of the following is a method used in stratigraphy to study the arrangement of layers in rock formations?

Magnetostratigraphy

Lithostratigraphy

Biostratigraphy

27 / 40

What is the term for the process by which rock layers are disrupted by geological activity such as faulting or folding?

Erosion

Deformation

Deposition

28 / 40

What is the term for the process by which sedimentary rocks are lithified, or turned into solid rock?

Diagenesis

Weathering

Erosion

29 / 40

What is the term for the study of the order and relative timing of events in Earth's history?

Chronostratigraphy

Lithostratigraphy

Magnetostratigraphy

30 / 40

What is the term for the boundaries between different rock layers or strata?

Fossils

Faults

Stratigraphic boundaries

31 / 40

Which of the following is a principle of stratigraphy that states that any feature that cuts across a stratum must be younger than the stratum itself?

Principle of superposition

Principle of original horizontality

Principle of cross-cutting relationships

32 / 40

What is the term for the study of the physical and chemical properties of rocks?

Petrology

Geochronology

Stratigraphy

33 / 40

What is the term for the study of the distribution, origin, and relationships of stratified rocks?

Chronostratigraphy

Biostratigraphy

Lithostratigraphy

34 / 40

What is the term for the process by which sedimentary rocks are formed through the accumulation and compression of sediment?

Lithification

Weathering

Erosion

35 / 40

What is the term for the process by which minerals precipitate from water and accumulate in layers over time?

Weathering

Deposition

Erosion

36 / 40

Which of the following is a principle of stratigraphy that states that younger rock layers may be tilted or folded relative to older rock layers?

Principle of cross-cutting relationships

Principle of superposition

Principle of original horizontality

37 / 40

Which of the following is a method used in stratigraphy to study the history of Earth's magnetic field recorded in rocks?

Magnetostratigraphy

Biostratigraphy

Chronostratigraphy

38 / 40

What is the term for the study of the order and relative position of rock layers and their ages?

Stratigraphy

Geochronology

Petrology

39 / 40

Which of the following is a method used in stratigraphy to correlate rock layers between different locations?

Erosion

Folding

Correlation

40 / 40

Which of the following is a principle of stratigraphy that states that younger rocks are typically found above older rocks?

Principle of cross-cutting relationships

Principle of superposition

Principle of original horizontality

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adminApril 6, 2024Last Updated: October 15, 2024

0 96 2 minutes read