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Adelphy of Stamens

The flowers m...

Question

The flowers may be of two or more types with regard to the length of style and lengths of stamens is called as

A

Heterostyly

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B

Homostyly

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C

Incompatibility

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D

Protandary

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Solution

The correct option is A Heterostyly
Heterostyly refers to the difference in the length of the style in a flower. It is a structure to reduce the chances of self-fertilization. This is a unique form of polymorphism. The flowers with a short stamen and a long style are called pin flowers. The flowers with a short style and long stamen are called thrum flowers. Thus the correct answer is option A.

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Similar questions

Q. Name the phenomenon of two flowers, one having long stamens and short styles, and other having short stamens and long style :

Q. Which among the following have flowers with six stamens of unequal length, of which, two are short and four are long?

Q. The flowers which contain either pistil or stamens are called _______ flowers.

Q. The length of filament of stamens may be variable in which plant:

Monoecious, female, pedicel, sepals and petals, thalamus, torus, receptacle, male, unisexual, bisexual, dioecious.

Use the above phrases to fill in the blanks.
Flower is a condensed shoot which is specialized to carry out sexual reproduction. It is borne over a stalk called ........ (1) .............
There is a broad base called .........(2) ............
Thalamus bears four types of floral organs-sepals, petals,stamens and carpels. ................(3) ........................ have no direct function in sexual reproduction.
They are called accessory or non-essential floral organs.
Stamens and carpels are essential floral organs as they take part in sexual reproduction.
Stamens are .........(4) ........... reproductive organs while carpels are ......... (5) .......... reproductive organs.
Flowers are called ..........(6) ............. if they have either stamens (male or staminate) or carpels (female or pistillate), e.g., papaya, watermelon.
They are known as ..........(7)..........if the flowers possess both stamens and carpels, e.g.,Mustard, Hibiscus. Plants with unisexual flowers are called .......... (8) .......... if both male and female flowers occur on the same individual (e.g., Maize, Watermelon).
They are called ........... (9) ........ if male and female flowers are found on different individuals (e.g., Papaya).

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