Set 2: Inferences

Explanation

Answer: C

PASSAGE

The Venus flytrap is a carnivorous plant that captures insects using trigger hairs on its leaves. When an insect touches two hairs within 20 seconds, the trap snaps shut. This 'counting' mechanism prevents the plant from wasting energy closing on raindrops or debris.

What can be inferred about the Venus flytrap's trigger mechanism?

A. It requires exactly three touches to close.

B. It responds to any single touch on its leaves.

C. It is an adaptation to conserve energy by avoiding false alarms.✓ Correct

D. It only works in tropical climates.

Detailed Explanation

This question asks you to draw a logical conclusion from the text. The 'counting' prevents closing on raindrops—avoiding wasted energy. This is explicitly stated as the function of the two-touch requirement. A valid inference must be supported by evidence in the passage, even if not stated directly. Look for clues in the text that strongly suggest the answer. Avoid conclusions that require assumptions beyond what's written. Valid inferences are strongly supported by multiple pieces of evidence in the text. Be cautious of choices that go too far beyond what the passage actually states. The best inference is the one most directly supported by textual evidence.

Key Evidence:

• "prevents the plant from wasting energy"

• "closing on raindrops or debris"

Why others are wrong: A (Two touches are needed, not three.), B (It requires two touches, not one.), D (Climate isn't discussed.).

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