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9.fungi
10.pistil
d.
11.The process of respiration in plants involves using the sugars produced during photosynthesis plus oxygen to produce energy for plant growth. and Respiration is essential for life because it provides energy for carrying out all the life processes which are necessary to keep the organisms alive.
10. The characteristics of living organisms are:
(i) Growth and development- Young organisms (plants and animals) grow and develop into adults.
(ii) Movement- Animals exhibit a wide range of movements.
(iii) Reproduction- The biological process by which new organisms (offsprings) are produced from organisms of the same kind.
(iv) Respiration- Oxygen is used for the oxidation of food and carbon dioxide is produced.
13.It helps in the exchange of gases. It helps in sending out excessively absorbed water by plants. It helps in the development of the plant body.
14.
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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