Question
[116]. Passage: Fragmented forests isolate animal populations, preventing gene flow and blocking seasonal movement. A corridor of native trees, shrubs and undergrowth can reconnect patches, but only if it is wide enough, free of major barriers, and protected from grazing and fire. Narrow ornamental avenues fail because shy species avoid edges exposed to light, noise and dogs. Corridor design therefore begins with the needs of the most sensitive species, maps water and food along the route, and secures agreement from villages whose fields border the passage. A corridor is a living link, not a line on a map. The word 'gene flow' in the passage most nearly means:
Option 3 : exchange of genetic material between populations through movement and breeding
Detailed Solution
सही उत्तर exchange of genetic material between populations through movement and breeding है।
In context the word carries the meaning in the correct option.
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prepsnap.in • Mock TestQuestion:
[116]. Passage: Fragmented forests isolate animal populations, preventing gene flow and blocking seasonal movement. A corridor of native trees, shrubs and undergrowth can reconnect patches, but only if it is wide enough, free of major barriers, and protected from grazing and fire. Narrow ornamental avenues fail because shy species avoid edges exposed to light, noise and dogs. Corridor design therefore begins with the needs of the most sensitive species, maps water and food along the route, and secures agreement from villages whose fields border the passage. A corridor is a living link, not a line on a map. The word 'gene flow' in the passage most nearly means:
Correct Answer: exchange of genetic material between populations through movement and breeding
In context the word carries the meaning in the correct option.