In grape, the nodes just above the inflorescence usually develop... | Agrigyan

General Agriculture, Biology, Plant Protection & Statistics Pomology, Plantation & Spices, Olericulture, PHT, Floriculture & Breeding

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ICAR AIEEA PG Horticulture 14 July 2023 Shift-1 Paper

MCQ (Single Correct)

In grape, the nodes just above the inflorescence usually develop :

अंगूर में, पुष्पक्रम के ठीक ऊपर की गांठों (नोड्स) पर सामान्यतः क्या विकसित होते हैं?

Calyptra कैलिप्ट्रा Forks द्विभाजन (फोर्क्स) Reflexed stamens प्रतिवर्तित पुंकेसर Tendrils प्रतान (टेंड्रिल्स)

Morphological development in grapevines (Vitis vinifera):

Calyptra (cap) is the fused petals that fall off during anthesis.
Fork is an occasional branching pattern.
Reflexed stamens occur in female flowers.
In grapevines, inflorescences and tendrils are homologous structures occurring opposite the leaves. Inflorescences are borne on the basal nodes (typically nodes 3 to 6). Once flowering terminates, the nodes directly above develop tendrils instead of flower clusters.

Option breakdown:
Calyptra is a floral part.
Non-morphological term.
Flower sex trait.
Tendrils develop opposite leaves at nodes immediately above the flowering zone.

अंगूर की वानस्पतिक आकृति विज्ञान:

कैलिप्ट्रा दलपुंज का ढक्कन है जो खिलने पर गिर जाता है।
फोर्क्स सामान्य शाखा विभाजन है।
प्रतिवर्तित पुंकेसर मादा फूलों में पाए जाते हैं।
अंगूर में पुष्पक्रम और प्रतान (टेंड्रिल्स) समजात अंग होते हैं जो पत्तियों के विपरीत उत्पन्न होते हैं। पुष्पक्रम निचली गांठों (नोड्स) पर बनते हैं तथा उनके ठीक ऊपर की गांठों पर पुष्पक्रम के स्थान पर प्रतान विकसित होते हैं।

विकल्पों का विश्लेषण:
पुष्प का भाग है।
अमान्य है।
लैंगिक लक्षण है।
प्रतान (टेंड्रिल्स) सही उत्तर है।

Explanation not matching this question? क्या व्याख्या इस प्रश्न से मेल नहीं खा रही? Report

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