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Question No. 11
S
2
.
3.
4
Bicarpellay syncarpous gynoecium, varied length
of stamens, tetramerous flower, parietal
placentation. How many of the above characters
are present in Mustard ?
(A) Four
(B) TWO
(C) One
(D) Zero
Answers
Answered by
1
Answer:
In Brassicaceae, the main characteristics are perianth with 8 distinct calyx and corolla with 3 whorled. Calyx has 2 whorls. Corolla are 4 (diagonal) in number in 1 whorl, it is polypetalous and imbricate. Androecium are 6 numbered, free of one another, 2 whorled or 1 whorled. Androecium has exclusive fertile stamens. Stamens are 6 in number, tetradynamous. Gynoecium has 2 carpels and it is syncarpous. Ovary is 12 locular and superior. Stigmas are 12 numbered, commissural, 1 or 2 lobed. Placentation is parietal. Fruit is a siliqua.
Thus, the correct answer is option A.
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