NEET-UG Biology · Class 11
Describing a plant in floral formula and diagram — NEET & JEE Questions
Describing a plant in floral formula and diagram is a topic in Morphology of Flowering Plants, a Class 11 Biology chapter of the NEET-UG syllabus. TestBudy holds 12 published NEET-UG questions on Describing a plant in floral formula and diagram, each with the marking scheme of the real paper.
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Describing a plant in floral formula and diagram MCQs with solutions
10 of the 12 published questions on this topic, exactly as they appear in a test. Answers and worked solutions come with your result rather than on this page.
In a floral formula, which symbol is used to indicate a zygomorphic flower?
- A. ⊕
- B. %
- C. ⚥
- D. K
A floral formula shows G(2) with a line drawn above G. What does the line above the gynoecium symbol indicate?
- A. Inferior ovary
- B. Superior ovary
- C. Apocarpous gynoecium
- D. Unisexual flower
In a floral formula, K(5) most directly conveys which information?
- A. Five free sepals
- B. Five fused sepals
- C. Five petals
- D. Five stamens
A floral formula is mainly used to
- A. summarise floral symmetry, sexuality, whorls and their numbers or fusion
- B. show the complete root anatomy
- C. represent only leaf venation
- D. record only chromosome number
A flower is bisexual, actinomorphic, pentamerous and has fused petals. Which set of floral-formula features would be consistent with this description?
- A. ⚥, ⊕ and C(5)
- B. ♂, %, C5
- C. ♀, ⊕, A5
- D. ⚥, %, K(5) only
A floral diagram shows five stamens attached to the petals rather than directly to the receptacle. Which relationship is being represented?
- A. Epipetalous stamens
- B. Epiphyllous stamens
- C. Polyandrous stamens
- D. Didynamous stamens
A flower has five free sepals. Which notation best represents its calyx in a floral formula?
- A. K5
- B. K(5)
- C. C5
- D. A5
A flower has five fused petals. Which floral-formula notation best represents the corolla?
- A. C(5)
- B. C5
- C. K(5)
- D. G(5)
A floral description reads: actinomorphic, bisexual, calyx of five fused sepals, corolla of five fused petals, five stamens and a bicarpellary syncarpous superior ovary. Which feature would be represented by G(2) with the appropriate superior-ovary mark?
- A. Two fused carpels
- B. Two free carpels
- C. Two stamens
- D. Two fused petals
A flower is bisexual and actinomorphic. Which verbal description best matches these floral characters?
- A. It has both stamens and carpels and can be divided into similar halves through more than one vertical plane
- B. It has only stamens and a single plane of symmetry
- C. It has only carpels and no symmetry
- D. It is always asymmetrical and unisexual
Common mistakes in Describing a plant in floral formula and diagram
Recorded against questions in this topic that are not shown above, so none of these points at an answer you can see on this page.
- Focusing only on ovary position and missing the differences in symmetry and carpel organisation.
- Treats a floral diagram as decorative rather than structural information.
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