Passage:
Understanding of the role of biodiversity in the hydrological cycle enables better policy-making. The term biodiversity refers to the variety of plants, animals, microorganisms, and the ecosystems in which they occur. Water and biodiversity are interdependent. In reality, the hydrological cycle decides how biodiversity functions. In turn, vegetation and soil drive the movement of water. Every glass of water we drink has, at least in part, passed through fish, trees, bacteria, soil and other organisms. Passing through these ecosystems, it is cleansed and made fit for consumption. The supply of water is a critical service that the environment provides.

Which among the following is the most critical inference that can be made from the above passage ?

Question

Passage:
Understanding of the role of biodiversity in the hydrological cycle enables better policy-making. The term biodiversity refers to the variety of plants, animals, microorganisms, and the ecosystems in which they occur. Water and biodiversity are interdependent. In reality, the hydrological cycle decides how biodiversity functions. In turn, vegetation and soil drive the movement of water. Every glass of water we drink has, at least in part, passed through fish, trees, bacteria, soil and other organisms. Passing through these ecosystems, it is cleansed and made fit for consumption. The supply of water is a critical service that the environment provides.

Which among the following is the most critical inference that can be made from the above passage ?

Accepted Answer

Correct Option: (a) Biodiversity sustains the ability of nature to recycle water The passage discusses the critical interdependence between water and biodiversity. It describes how the hydrological cycle dictates biodiversity functions, while vegetation and soil in turn drive the movement of water. Furthermore, it highlights that water is cleansed and made fit for human consumption as it passes through various ecosystems composed of fish, trees, bacteria, and soil. The passage establishes that the environment's supply of potable water is a vital service sustained through these natural ecosystems. Therefore, the most critical inference is that biodiversity sustains the ability of nature to recycle and purify water (Option a). Option (b) is too extreme by stating we cannot get potable water at all without living organisms. Option (c) is a general biological fact but not the core ecological inference. Option (d) focuses on the origin of life, which is outside the scope of the passage.

Which among the following is the most critical inference that can be made from the above passage ?

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