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  • Arabidopsis thaliana seeds were planted on Murashige Skoog (MS) plates with or without a hormone added to the medium. Seeds were found to germinate late in the hormone containing MS plates as compa

Arabidopsis thaliana seeds were planted on Murashige Skoog (MS) plates with or without a hormone added to the medium. Seeds were found to germinate late in the hormone containing MS plates as compared to MS plates without hormone. Identify the hormone.

Option: 1

Jasmonic acid

 


Option: 2

Cytokinin


Option: 3

 Auxin


Option: 4

Abscisic acid


Answers (1)

best_answer

The hormone that is most likely to be added to the Murashige Skoog (MS) plates to delay germination of Arabidopsis thaliana seeds is abscisic acid (ABA). ABA is a plant hormone known to regulate seed dormancy and germination. It plays a crucial role in inhibiting seed germination under unfavorable conditions such as drought or high salinity. When ABA is present in the growth medium, it can delay or inhibit the germination process, resulting in a slower germination rate compared to plates without the hormone. Hence, the correct answer is option 4. 

 

Posted by

Kuldeep Maurya

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