Question:
Given below are two statements:
Statement (I): The growth of guava fruits follow a single sigmoid curve
Statement (II): The fruits undergo extensive cell division during the first few week immediately following fertilization
Given below are two statements:
Statement (I): The growth of guava fruits follow a single sigmoid curve
Statement (II): The fruits undergo extensive cell division during the first few week immediately following fertilization
Statement (I): The growth of guava fruits follow a single sigmoid curve
Statement (II): The fruits undergo extensive cell division during the first few week immediately following fertilization
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Stone fruits (peaches, plums), grapes, and figs also exhibit double sigmoid growth curves, whereas apples, pears, and citrus fruits follow a single sigmoid curve.
Updated On: Jul 10, 2026
- Both Statement (I) and Statement (II) are true.
- Both Statement (I) and Statement (II) are false.
- Statement (I) is true but Statement (II) is false.
- Statement (I) is false but Statement (II) is true.
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The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept:
Fruit growth kinetics are determined by measuring change in volume or weight over time. These patterns generally plot as single or double sigmoid curves.
Step 2: Detailed Explanation:
- Statement (I) is false: Guava (Psidium guajava) fruit growth follows a double sigmoid curve with three distinct phases: Phase I (rapid growth), Phase II (slow growth, which coincides with seed hardening), and Phase III (rapid final growth and ripening).
- Statement (II) is true: During Phase I (first few weeks post-fertilization), rapid fruit enlargement is driven by active cell division in the pericarp and placental tissues, setting the cell count of the mature fruit.
Step 3: Final Answer:
Statement I is false, while Statement II is true.
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