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Question

What is the condition where the stamens of a flower are attached to the perianth?

A
Epipetalous
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B
Epiphyllous
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C
Monadelphous
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D
Staminode
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Solution

The correct option is B Epiphyllous
Androecium is the male reproductive whorl and is made up of units called stamens. The stamens can be free or sometimes attached to other whorls in the flower. The attachment of the stamens to the perianth (a whorl where the petals and sepals are not differentiated are called tepals) is described as epiphyllous.
When stamens are attached to the petals, it is called epipetalous.
When all the filaments are fused to form a single bundle and the anthers are free, it is called monadelphous. A staminode is a sterile stamen.

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Q.

Paragraph for below question

नीचे दिये गये प्रश्न के लिए अनुच्छेद

Calyx and corolla are the accessory organs of the flower. Members of calyx are called sepals and that of corolla are called petals. The mode of arrangement of sepals or petals in floral bud w.r.t. other member of the same whorl can be valvate, twisted, imbricate or vexillary. In some plants, stamens may be found to be attached to the petals or perianth. These conditions are called epipetalous and epiphyllous respectively.

On the basis of given paragraph answer the following questions and select the correct option.

केलिक्स तथा कोरोला पुष्प के सहायक अंग हैं। केलिक्स के सदस्यों को बाह्यदल कहते हैं तथा कोरोला के सदस्यों को दल कहते हैं। एक ही चक्कर के अन्य सदस्य के संदर्भ में पुष्पीय कलिका में बाह्यदलों या दलों के विन्यास की विधि कोरस्पर्शी, व्यावर्तित, कोरछादी या वैक्जीलरी हो सकती है। कुछ पादपों में पुंकेसर दलों या परिदलपुंज से जुड़े हो सकते हैं। ये स्थितियाँ क्रमशः दललग्न तथा परिदल लग्न कहलाती हैं।

दिए गए अनुच्छेद के आधार पर निम्नलिखित प्रश्नों के उत्तर दीजिए तथा सही विकल्प का चयन कीजिए।

Q. In floral formula, epiphyllous and epipetalous conditions of stamens are respectively represented as

प्रश्न - पुष्पीय सूत्र में पुंकेसर की परिदल लग्न तथा दललग्न स्थितियाँ क्रमशः किसके द्वारा निरूपित की जाती हैं?


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