5

Set 5: Inferences

Explanation

Answer: B

PASSAGE

The bombardier beetle defends itself by mixing two chemicals in its abdomen that create a boiling-hot, explosive spray. The beetle can aim this spray with remarkable precision and fire multiple times in succession.

What can be inferred about the bombardier beetle's defense mechanism?

A. It is a passive defense that relies on camouflage.
B. It is an active and sophisticated system requiring precise control.✓ Correct
C. It can only be used once in a lifetime.
D. It is ineffective against most predators.

Detailed Explanation

Mixing chemicals, aiming precisely, and firing multiple times = active, sophisticated, controlled.

Key Evidence:

• "aim with remarkable precision"

• "fire multiple times in succession"

Why others are wrong: A (It's an active spray, not camouflage.), C (It fires 'multiple times.'), D ('Boiling-hot, explosive' implies effectiveness.).

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