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Biology

Given alongside is the figure of an organism. Study the same and answer the following questions.

Given alongside is the figure of an organism. Study the same and answer the following questions. Concise Biology Solutions ICSE Class 7.

(i) Identify the organism.

(ii) Is it a plant/ animal ? Give reason in support of your answer.

(iii) Label the guidelines 1 to 6 shown in the figure.

(iv) Which kingdom does it belong to ?

(v) Write one important role of the parts shown as 3 and 6.

Classification of Plants

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Answer

(i) The organism shown in the given figure is Amoeba.

(ii) No, Amoeba is neither a plant nor an animal. Amoebas lack chlorophyll and the ability to photosynthesize, unlike plants. Animals have specialized tissues and organs, which amoebas lack. Hence, Amoeba don't fall under either category.

(iii) The guidelines 1 to 6 are:
      1 → Food Vacuole
      2 → Nucleus
      3 → Pseudopodium
      4 → Cell Membrane
      5 → Cytoplasm
      6 → Contractile Vacuole

(iv) Amoeba is a single-celled organism classified under the Kingdom Protista.

(v) Part 3 (Pseudopodium) — Pseudopodium is the organ of locomotion in an Amoeba. It helps amoeba move in the direction it wants to move in.
Part 6 (Contractile Vacuole) — Excess ammonia (waste) and water gets expelled out of the body of Amoeba from Contractile Vacuole.

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