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NTA Abhyas NEET2020BotanyMorphology of Flowering PlantsPractice

Which of the following is incorrect pairing of plant and the characteristic?

Options

  1. AVariation in the length of filaments within a flower: Salvia
  2. BPolycarpellary syncarpous gynoecium: Tomato
  3. COvary is one-chambered but it becomes two chambered due to formation of a false septum: Argemone
  4. DThe gynoecium occupies the highest position while the other parts are situated below it: Guava

Correct answer

D. The gynoecium occupies the highest position while the other parts are situated below it: Guava

Step-by-step solution

In the hypogynous flower the gynoecium occupies the highest position while the other parts are situated below it. The ovary in such flowers is said to be superior, e.g., mustard, china rose and brinjal. In epigynous flowers, the margin of thalamus grows upward enclosing the ovary completely and getting fused with it, the other parts of flower arise above the ovary. Hence, the ovary is said to be inferior as in flowers of guava and cucumber. There may be a variation in the length of filaments within a flower, as in

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