Most part of the cell have a definite shape, a definite structure and a definite function. Such parts are called organelles. The organelles have the same status in a cell as the organs have in the entire body of an animal or a plant performing specific functions. Cell organelles are living parts.
Large and small cells need a lot of chemical activities to perform their process. All the chemical reactions of cell occur in the cytoplasm. There are many small cytoplasmic bodies suspended in the cytoplasm. These are Mitochondria, Golgi bodies, Ribosomes, Endoplasmic Reticulum, etc.
Which of the following are correct : (a) The membrane surrounding a vacuole is called as tonoplast. (b) The cell organelles like dictyosomes and chloroplast are present inside the plant cell but absent in animal cells. (c) The cell organelles like dictyosomes and chloroplast are present inside the plant and animal cells. | |||
Right Option : A | |||
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All organelles have double memberane except: | |||
Right Option : B | |||
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Which of the following is not a cell organelle ? | |||
Right Option : C | |||
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