StemCET Logo

Biology Question 104 – NEET-UG 2025

← Back
Given below are two statements : Statement I : In a floral formula ⊕ stands for zygomorphic nature of the flower, and G― stands for inferior ovary. Statement II : In a floral formula ⊕ stands for actinomorphic nature of the flower and G― stands for superior ovary. In the light of the above statements, choose the correct answer from the options given below :

A floral formula is a standardized way to represent the structure of a flower using specific letters, numbers, and symbols.

🥷
Ninja Strategy•Single Symbol Verification

Correctly identifying the meaning of just one symbol, like ⊕ for actinomorphic, is enough to determine that Statement I is false, immediately eliminating options (1) and (3).

Step 1: Evaluate Statement I✦ Active

Statement I claims that ⊕ stands for zygomorphic symmetry and G― stands for inferior ovary.

In standard floral notation, the symbol ⊕ represents actinomorphic (radial) symmetry, not zygomorphic. Zygomorphic (bilateral) symmetry is represented by the symbol %. The symbol G― (G with a line below it) indicates a superior ovary, not an inferior one. An inferior ovary is represented by G― (G with a line above it).

Since both parts of the statement are factually incorrect, Statement I is incorrect.

Step 2: Evaluate Statement II○ Expand

Statement II claims that ⊕ stands for actinomorphic nature of the flower and G― stands for superior ovary.

This aligns with the standard conventions of floral formulas. ⊕ correctly represents actinomorphic symmetry, and G― correctly represents a superior ovary.

Therefore, Statement II is correct.

💡 Teacher's Secret Hint

A helpful mnemonic for the ovary position: a line under G 'props it up', making it superior. A line over G 'presses it down', making it inferior.

Step 3: Choose the Correct Option○ Expand

Based on the analysis, Statement I is incorrect and Statement II is correct. This corresponds to option (4).

✦ STEM Console utilizes AI models to generate step-by-step explanations and math clues. AI can make mistakes.