Select the correct word for the underlined, from the passage.
of very faulty quality.

The correct answer is Option A (defective).

Key Points:
• The passage describes substandard toys: '...to palm off shoddily produced toys which are often made from defective materials and fall apart after a few days.'
• 'Defective' directly means having flaws, faults, or imperfections; hence 'of very faulty quality'.
• Dangerous: Involving danger/harm.
• Ugly: Unpleasant to look at.
• Unattractive: Not appealing.
• Therefore, 'defective' is the exact word matching the definition from the passage.
• Key Takeaway: 'Defective' means containing faults or imperfections (of very faulty quality).