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Biology Question 93 – NEET-UG 2026

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Cell theory was formulated by ________.

Recall the key scientists who contributed to the foundational principles of cell biology.

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Ninja Strategy•Historical Association

Quickly associate each scientist with their primary contribution to cell biology to identify the formulators of cell theory.

Step 1: Identify the Core Concept✦ Active

The question asks to identify the scientists who formulated the cell theory.

Step 2: Recall Contributors to Cell Theory○ Expand

Matthias Schleiden (1838) proposed that all plant tissues are composed of cells. Theodor Schwann (1839) extended this idea to animal tissues, concluding that all living things are made of cells and cell products. Together, they are credited with formulating the initial cell theory.

💡 Teacher's Secret Hint

Remember that Rudolf Virchow later added the third postulate: 'Omnis cellula e cellula' (all cells arise from pre-existing cells).

Step 3: Evaluate Other Options○ Expand

Robert Brown is known for discovering the cell nucleus. Singer and Nicolson proposed the fluid mosaic model of the cell membrane. Antonie Von Leeuwenhoek was the first to observe living cells (animalcules) and bacteria. Therefore, option (1) is the correct answer.

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