What different criteria would you choose to classify people that you meet often?
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Multiple Choice Question
In the physiological mechanism of 'Photoperiodism' (the response of plants to the relative lengths of day and night), the site of perception for light/dark duration is the:'दीप्तिकालिता' (Photoperiodism - दिन और रात की सापेक्ष लंबाई के प्रति पौधों की प्रतिक्रिया) के कार्यिकीय तंत्र में, प्रकाश/अंधेरे की अवधि की धारणा का स्थल कौन सा है?
Explanation:
The leaves contain the pigment phytochrome, which perceives the photoperiod. This triggers the synthesis of a hypothetical hormone 'florigen' that travels to the shoot apex.
पत्तियों में फाइटोक्रोम वर्णक होता है, जो दीप्तिकाल को महसूस करता है। यह 'फ्लोरिजेन' नामक हार्मोन के संश्लेषण को ट्रिगर करता है जो प्ररोह शीर्ष तक जाता है।
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This question belongs to the set "Biology Practice Test 17 – Unit 5 (Plant Physiology & Taxonomy (Botany) – SET 1/4)". Click below to read detailed notes and attempt the full quiz.
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