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Biology Question 105 – NEET-UG 2026

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Phyllotaxy is the pattern of arrangement of \underline{\hspace{2cm}}.

Phyllotaxy is a botanical term that describes the arrangement of a specific plant part on the stem or axis.

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Ninja Strategy•Etymological Clue

The prefix 'phyllo-' in phyllotaxy is derived from the Greek word for 'leaf', directly pointing to option (1).

Step 1: Define Phyllotaxy✦ Active

Phyllotaxy is the pattern of arrangement of leaves on the stem or branch of a plant. This arrangement is crucial for maximizing light exposure for photosynthesis.

Step 2: Evaluate the Options○ Expand

Let's examine each option: (1) leaves: This directly matches the definition of phyllotaxy. (2) flowers: The arrangement of flowers on a floral axis is called inflorescence. (3) fruits: Fruits develop from flowers, and their arrangement is not specifically termed phyllotaxy. (4) sepals: Sepals are part of a flower, and their arrangement within a flower bud is known as aestivation.

💡 Teacher's Secret Hint

Distinguish between phyllotaxy, inflorescence, and aestivation.

Step 3: Conclusion○ Expand

Based on the definition, phyllotaxy specifically refers to the pattern of arrangement of leaves.

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