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Question 19

Which one of the following makes a tool with a stick to scrape insects from a hole in a tree or a log of wood?

AOptions

A) Fishing cat

B) Orangutan

C) Otter

D) Sloth bear

BSolution

Among the given options, the Orangutan is well-known for its sophisticated tool use in the wild. Orangutans have been observed using sticks to extract insects from tree holes, to open fruits, or even to scratch themselves. This behavior demonstrates a high level of cognitive ability and problem-solving skills.

While other animals listed exhibit forms of clever behavior or tool use (e.g., otters using rocks to crack shells, fishing cats using paws to catch fish), the specific action of using a stick to scrape insects from a hole is a documented behavior of orangutans.

CStrategy

Questions about animal intelligence and tool use often focus on primates and other highly cognitive animals. Recall well-documented examples of specific tool-use behaviors in different species. These are often highlighted in wildlife documentaries and scientific articles.

DSyllabus Analysis

This question falls under 'Environment and Ecology' and 'Biodiversity' (Animal Behavior) in the UPSC Prelims syllabus.

EQuestion Analysis

Medium. Requires specific knowledge of tool use by different animal species.