1. Tardigrade
  2. Question
  3. Biology
  4. Consider the following statements about Cleistogamy: (i) Reported in Viola, Oxalis, Commelina. (ii) Flowers are invariably autogamous. (iii) Pollinators are required for seed set. (iv) Anthesis is absent. How many statements are incorrect?

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Q. Consider the following statements about Cleistogamy:
(i) Reported in Viola, Oxalis, Commelina.
(ii) Flowers are invariably autogamous.
(iii) Pollinators are required for seed set.
(iv) Anthesis is absent.
How many statements are incorrect?

NTA AbhyasNTA Abhyas 2020Sexual Reproduction in Flowering Plants

Solution:

Cleistogamy is the phenomenon in which the flower never opens up and always remains closed. Anthesis or floral bud is absent. Such flowers are always or invariably self-pollinated, thus pollinators are not required. Plants like Viola, Oxalis and Commelina shows cleistogamous flower.