McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Business Administration (BBA) .
Chapters
| 1. |
What is a flood? |
| A. | A state of high water level causing land inundation |
| B. | Heavy rainfall only |
| C. | Blockage in drains only |
| D. | Construction of dams only |
| Answer» A. A state of high water level causing land inundation | |
| Explanation: A flood is a temporary overflow of water onto land that is normally dry. | |
| 2. |
Which of these is NOT a cause of floods mentioned in the text? |
| A. | Heavy rainfall |
| B. | Blockages in drains |
| C. | Landslides |
| D. | Volcanic eruptions |
| Answer» D. Volcanic eruptions | |
| Explanation: The text mentions causes like heavy rainfall, siltation, blockages, landslides, dam construction, and cyclones, but not volcanic eruptions. | |
| 3. |
Approximately what percentage of land in India is prone to floods? |
| A. | 4% |
| B. | 8% |
| C. | 12% |
| D. | 20% |
| Answer» C. 12% | |
| Explanation: The text states that around 12% of land in India is prone to floods. | |
| 4. |
Which river basin in India experiences the most flood-affected areas? |
| A. | Ganga basin |
| B. | Narmada basin |
| C. | Godavari basin |
| D. | Krishna basin |
| Answer» A. Ganga basin | |
| Explanation: The text states that most of the flood-affected areas lie in the Ganga basin. | |
| 5. |
Why do floods occur frequently in India during June to September? |
| A. | Snow melt from the Himalayas |
| B. | Intense and periodic rainfall |
| C. | High tides and cyclones |
| D. | Uncontrolled release of water from dams |
| Answer» B. Intense and periodic rainfall | |
| Explanation: The text explains that 85% of India's annual rainfall is concentrated in the months from June to September, leading to frequent floods. | |
| 6. |
How can satellite and remote sensing technology help in flood management? |
| A. | By preventing heavy rainfall |
| B. | By controlling the flow of rivers |
| C. | By tracking flood waves and water levels |
| D. | By clearing blockages in drains |
| Answer» C. By tracking flood waves and water levels | |
| Explanation: The text mentions that advanced technologies like satellite and remote sensing help track flood waves and water level rises, aiding in timely warnings. | |
| 7. |
Which organization in India is responsible for issuing flood warnings? |
| A. | Central Water Commission (CWC) |
| B. | Indian Meteorological Department (IMD) |
| C. | National Disaster Management Authority (NDMA) |
| D. | Geological Survey of India (GSI) |
| Answer» A. Central Water Commission (CWC) | |
| Explanation: The text clearly states that the Central Water Commission (CWC) is responsible for issuing flood warnings in India. | |
| 8. |
What is a major health hazard caused by floods? |
| A. | Respiratory problems |
| B. | Heat stroke |
| C. | Skin allergies |
| D. | Waterborne diseases |
| Answer» D. Waterborne diseases | |
| Explanation: The text highlights that contaminated water due to floods leads to outbreaks of epidemics like diarrhoea, viral infections, and malaria. | |
| 9. |
How does flooding affect soil characteristics? |
| A. | Erosion of topsoil and salinization |
| B. | Increased nutrient content |
| C. | Improved drainage |
| D. | Increased water holding capacity |
| Answer» A. Erosion of topsoil and salinization | |
| Explanation: The text explains that flooding can lead to erosion of the fertile topsoil, rendering the land infertile. Additionally, seawater intrusion can make the soil saline. | |
| 10. |
What is the first step in reducing the risk of floods in a region? |
| A. | Construction of dams |
| B. | Mapping of flood-prone areas |
| C. | Building embankments |
| D. | Relocating settlements |
| Answer» B. Mapping of flood-prone areas | |
| Explanation: According to the text, mapping flood-prone areas is the primary step in risk reduction. This involves analyzing historical data, water levels, and land characteristics. | |
| 11. |
What land use practice can help mitigate flood risks in vulnerable areas? |
| A. | Expanding urban areas |
| B. | Encouraging intensive agriculture |
| C. | Relocating settlements and restricting development |
| D. | Building more roads and infrastructure |
| Answer» C. Relocating settlements and restricting development | |
| Explanation: The text suggests that controlling land use in flood-prone areas is crucial. This may involve relocating existing settlements and restricting major developments in high-risk zones. | |
| 12. |
How can buildings in flood-prone areas be made more resilient? |
| A. | Using lightweight materials |
| B. | Building underground bunkers |
| C. | Having large windows for ventilation |
| D. | Constructing on elevated areas or stilts |
| Answer» D. Constructing on elevated areas or stilts | |
| Explanation: The text recommends constructing buildings on elevated areas, stilts, or platforms to minimize flood damage. It also suggests strengthening structures to withstand flood forces. | |
| 13. |
What is the purpose of flood control measures? |
| A. | To reduce flood damage |
| B. | To increase the flow of rivers |
| C. | To eliminate rainfall |
| D. | To create more floodplains |
| Answer» A. To reduce flood damage | |
| Explanation: The text clearly states that flood control aims to reduce flood damage. This can involve decreasing runoff, reforestation, clearing debris, and conserving water bodies. | |
| 14. |
Which of these is a structural measure for flood management? |
| A. | Flood forecasting |
| B. | Construction of embankments |
| C. | Flood plain zoning |
| D. | Disaster preparedness |
| Answer» B. Construction of embankments | |
| Explanation: The text lists structural measures such as storage reservoirs, flood embankments, drainage channels, anti-erosion works, and channel improvement. | |
| 15. |
What is flood proofing? |
| A. | Predicting the occurrence of floods |
| B. | Preventing the occurrence of floods |
| C. | Protecting buildings from flood damage |
| D. | Creating artificial floods for irrigation |
| Answer» C. Protecting buildings from flood damage | |
| Explanation: The text describes flood proofing as measures to reduce the risk of damage during floods. This can include using sandbags, sealing doors and windows, or elevating houses. | |
| 16. |
When did systematic flood management planning begin in India? |
| A. | 1947 |
| B. | 1950 |
| C. | 1952 |
| D. | 1954 |
| Answer» D. 1954 | |
| Explanation: The text states that systematic flood management planning in India started with the Five Year Plans, specifically with the National Programme of Flood Management in 1954. | |
| 17. |
What type of flood management measure is reforestation? |
| A. | Non-structural measure |
| B. | Structural measure |
| C. | Emergency measure |
| D. | Temporary measure |
| Answer» A. Non-structural measure | |
| Explanation: Reforestation helps absorb excess rainfall and reduce surface runoff, making it a non-structural measure for flood management. | |
| 18. |
How do dams help in flood control? |
| A. | By diverting the flow of rivers |
| B. | By increasing the amount of rainfall |
| C. | By storing excess water and releasing it gradually |
| D. | By clearing blockages in rivers |
| Answer» C. By storing excess water and releasing it gradually | |
| Explanation: The text explains that dams can store excess water during heavy rainfall and release it at a controlled rate, helping regulate downstream flow and prevent floods. | |
| 19. |
What is the significance of flood hazard mapping? |
| A. | To predict the intensity of rainfall |
| B. | To identify areas at risk of flooding |
| C. | To measure the depth of floodwater |
| D. | To determine the frequency of floods |
| Answer» B. To identify areas at risk of flooding | |
| Explanation: Flood hazard mapping helps identify areas prone to flooding, predict water flow patterns during floods, and guide land use planning for risk reduction. | |
| 20. |
What is the main purpose of building levees and embankments? |
| A. | To store excess water |
| B. | To divert water for irrigation |
| C. | To control the release of water from dams |
| D. | To prevent rivers from overflowing |
| Answer» D. To prevent rivers from overflowing | |
| Explanation: Levees and embankments act as barriers to confine river flow and prevent water from overflowing onto surrounding land, thus offering flood protection. | |
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