Select the wrong statement.

1. 'Diatomaceous earth' is formed by the cell walls of diatoms.

2. Diatoms are chief producers in the oceans.

3. Diatoms are microscopic and float passively in water.

4. The walls of diatoms are easily destructible.

Doubtly Asked 30 Oct 2026 NEET UG 2016 Phase 2 Practice test neet Save WhatsApp Report

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Best answer

Answer: 4. The walls of diatoms are easily destructible.

Diatom cell walls are made of silica and are indestructible, so statement 4 is wrong. This is why they accumulate as diatomaceous earth.

Diatoms are chief producers in oceans and are microscopic, floating passively.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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