G. Long answer type questions
1. Explain the structure of flower and its functions. Also, draw a well-labelled diagram showing different parts of a flower
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BIOLOGY
Explain the structure of a typical flower with the help of a diagram.
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ANSWER
A flower is the reproductive structure found in flowering plants. A typical flower contains the following parts:
(1) Stalk- The part by which a flower is attached to the branch is called stalk.
(2) Sepals- The small, green colored, leaf shaped structures found on the outermost part of the flower are called sepals. They are considered to be modified leaves. They protect the flower when they are in the stage of bud and support the petals when in bloom.
(3) Petals- Petals are colored, modified leaves that surround the reproductive parts of flowers. They are brightly colored or unusually shaped to attract insects for pollination.
(4) Stamen- Stamen is the pollen- producing, male reproductive organ of a flower. Stamen usually consists of a long slender stalk, the filament, with the anthers at the tip.
(5) Pistil - Pistil is the ovule producing, female reproductive part of a flower. It is the innermost part of a flower. The pistil consists of three parts: stigma, style, ovary.
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