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A Typical Flower

Which of thes...

Question

Which of these is a characteristic of unisexual flower?

A

Do not have carpel

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B

Do not have stamen

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C

Has either carpel or stamen

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D

Has either petal or sepal

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Solution

The correct option is C
Has either carpel or stamen

unisexual flower is a flower that possesses either stamen or carpel, but not both. A plant may be unisexual (dioecious), possessing only male flowers or female flowers; or it may be monoecious with male and female reproductive organs borne in the same flower or in different unisexual flowers but on the same plant.

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Bisexual flowers have only carpels and Unisexual flowers have both stamens and carpels.

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).

Q. A flower with sepals, petals, stamens and carpels is said to be

Q. A flower with carpels, stamens, petals is said to be?

Q. Select the correct pair of a statement.
A. Flowers are said to be unisexual when it contains either stamens or carpels.
B. Flower are said to be bisexual when both stamens or carpels are present.
C. If the transfer of pollen occurs in the same flower, it is referred to as cross-pollination.
D. If the pollen is transferred from one flower to another it is known as self-pollination.

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