Interview questions on GIS and Hydrology

Twenty MCQ which is common in not only interviews but also in different competetive examinations including GATE

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   MCQ on GIS in Hydrology Course

The correct answer is indicated by ✅

If you want to enrol for the forthcoming course on “Introduction to GIS in Hydrology”, then click here.

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🌍 GIS and Hydrology – MCQs with Answers

🧭 Basics of GIS in Hydrology

1. What does GIS stand for?

   1. Geographic Information System ✅

   2. Geospatial Integrated Software

   3. Global Information Science

   4. Geographic Interface System

2. Which of the following is a primary function of GIS in hydrology?

   1. Weather forecasting

   2. Watershed delineation ✅

   3. Soil fertility testing

   4. Air quality monitoring

3. Which data type is commonly used in GIS for representing elevation?

   1. Vector

   2. Raster ✅

   3. Tabular

   4. Text

4. DEM stands for:

   1. Digital Elevation Model ✅

   2. Data Extraction Method

   3. Digital Earth Map

   4. Dynamic Elevation Matrix

5. Which of the following is NOT a component of GIS?

   1. Hardware

   2. Software

   3. People

   4. Telescope ✅

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💧 Hydrological Applications

6. Which GIS tool is used to determine the direction of water flow?

   1. Flow Accumulation

   2. Flow Direction ✅

   3. Stream Order

   4. Watershed

7. What is the purpose of watershed delineation in hydrology?

   1. To measure rainfall

   2. To identify drainage boundaries ✅

   3. To monitor groundwater

   4. To map vegetation

8. Which of the following is used to model surface runoff in GIS?

   1. NDVI

   2. SCS Curve Number Method ✅

   3. Kriging

   4. IDW Interpolation

9. Which hydrological model is often integrated with GIS for flood simulation?

   1. HEC-RAS ✅

   2. MODFLOW

   3. SWAT

   4. WEAP

10. Which GIS-based model is widely used for watershed management and water quality assessment?

    1. HEC-HMS

    2. SWAT ✅

    3. MIKE SHE

    4. ArcHydro