ആവാസവ്യവസ്ഥയുടെ ജൈവ ഘടകങ്ങൾ:
Aവിഭവങ്ങൾക്കായി പങ്കിടുകയും മത്സരിക്കുകയും ചെയ്യും
Bവിഭവങ്ങൾക്കായി മാത്രം മത്സരിക്കുക
Cഅവരുടെ വിഭവങ്ങൾ മാത്രം പങ്കിടുക
Dവിഭവങ്ങൾക്കായി പങ്കിടുകയോ മത്സരിക്കുകയോ ചെയ്യരുത്
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Related Questions:
With reference to an initiative called ‘The Economics of Ecosystems and Biodiversity (TEEB)’ which of the following statements is/are correct ?
- It is an initiative hosted by UNEP/IMF and World Economic Forum
- It is a global initiative that focuses on drawing attention to the economic benefits of biodiversity.
- It presents an approach that can help decision makers recognize, demonstrate and capture the value of ecosystem and biodiversity.
Which of the following statements accurately describes the upper or mountain course of a river?
- The water flows slowly through a wide valley with stable banks.
- The river has significant erosive power, capable of moving large stones.
- Angular stones are smoothed into rounded pebbles by friction.
- The river primarily deposits silt and mud in this stage.
What are the key characteristics of the lower course of a river?
- The river meanders slowly across plains with high velocity.
- The river loses much of its velocity and its ability to carry heavy sediment.
- Deposition of sand and silt occurs, forming features like sandbanks.
- The river builds up large flat plains by spreading alluvium.
Which of the following statements accurately describes wetlands?
- Wetlands are areas that are permanently or periodically covered by water.
- Wetlands can only be natural formations and cannot be artificial.
- The water in wetlands can be fresh, brackish, or saline.
- Wetlands are defined as lands saturated with water up to a depth of 10 meters.
Identify the false statement regarding the causes of deforestation.
- Raw materials for industrial use, such as plywood and paper pulp, do not contribute to deforestation.
- Increasing demand for fuel wood contributes to deforestation.
- Development projects like hydro-electric projects lead to forest destruction.
- Growing food needs, met by clearing forests, reduce forest area.