NEET · Biology —

Morphology of Flowering Plants appeared 3 times across 1 year — 3.3% of Biology. This question is from Floral Formula of Solanaceae.

Year 2024 Total
Questions 3 3
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Which of the following floral formula is the correct floral formula of Solanaceae family?

Solution & Explanation

Related Formula

Solanaceae Floral Formula:

Φ K(5) C(5) A₅ G(2)

Actinomorphic, Bisexual, Gamosepalous (5), Gamopetalous (5), Epipetalous Stamens (5), Bicarpellary Syncarpous Superior Ovary.

Core Logic

Solanaceae flowers are actinomorphic (), bisexual (Φ), with gamosepalous calyx K(5), gamopetalous corolla C(5), epipetalous stamens A₅, and bicarpellary syncarpous superior ovary G(2).

Step 1: Selection

Option (1) represents the accurate floral formula.

Pattern Recognition

Solanaceae = K(5) C(5) A₅ G(2) with epipetalous condition.

Chapter Mix

Class 11 Biology: Morphology of Flowering Plants

Reference Study Guides

Morphology Of Flowering Plants

More Morphology of Flowering Plants Previous-Year Questions

Q101 neet_2024_05_may_morning Placentation Types and Examples
Match List I with List II :
List I (Placentation)List II (Example)
A.MarginalI.Mustard
B.AxileII.Pea
C.ParietalIII.Marigold
D.BasalIV.Lemon
Choose the correct answer from the options given below :
  • A. A-I, B-III, C-II, D-IV
  • B. A-IV, B-II, C-I, D-III
  • C. A-II, B-IV, C-I, D-III
  • D. A-III, B-I, C-IV, D-II

Solution

Related Formula

Marginal arrow Pea; Axile arrow Lemon/Tomato/China Rose; Parietal arrow Mustard/Argemone; Basal arrow Marigold/Sunflower.

Core Logic
  • Marginal placentation: Pea arrow II
  • Axile placentation: Lemon arrow IV
  • Parietal placentation: Mustard arrow I
  • Basal placentation: Marigold arrow III
Step 1: Match Verification

Sequence: A-II, B-IV, C-I, D-III. Option (3) is correct.

Pattern Recognition

Marginal = Pea (A-II). Basal = Marigold (D-III). Directly identifies option (3).

Chapter Mix

Class 11 Biology: Morphology of Flowering Plants

Q112 neet_2024_05_may_morning Inflorescence Types
In racemose inflorescence, ____.
  • A. The main axis terminates in a flower
  • B. The growth is limited
  • C. Flowers are borne in an acropetal succession
  • D. Flowers are solitary

Solution

Related Formula

Racemose: Continuous main axis growth, Acropetal floral arrangement. Cymose: Limited main axis growth (terminates in flower), Basipetal floral arrangement.

Core Logic

In racemose inflorescence, the main shoot axis continues to grow indefinitely and produces flowers laterally in an acropetal succession (older flowers at base, younger towards apex).

Step 1: Selection

Flowers are borne in an acropetal succession. Option (3) is correct.

Pattern Recognition

Racemose = Acropetal succession & indefinite axis growth.

Chapter Mix

Class 11 Biology: Morphology of Flowering Plants

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JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%) | JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%)