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NTA Abhyas 2020
Exam
NTA Abhyas
Year
2020
Subject
Botany
Chapter
Mineral Nutrition

NTA Abhyas 2020 · Botany · Mineral Nutrition

Minerals required for germination of pollen gain on stigma are

Minerals required for germination of pollen gain on stigma are

Options

  1. ACa, B
  2. BN, P
  3. CMg, S
  4. DFe, Ca

Correct answer

A. Ca, B

Step-by-step solution

Pollen germination and pollen tube growth are regulated by transferring inorganic Ca^{2+} and boron across the plasma membrane. For in vitro pollen germination and pollen tube growth, boron& is one of the essential factors. Boron greatly affects the frequency of pollen germination and the morphology of the pollen tube.
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