rah 1. Indicate whether the following statements are True (1) or Fals), (a) Unicellular organisms have one colled body, (b) Muscle cells are branched, mm (o "The basic living unit of an organism is an organ (d) Amoeba has irregular shape. 2. Make a sketch of the human nerve cell. What function do nerve cells perform? 3. Write short notes on the following (a) Cytoplasm (b) Nucleus of a cell 4. Which part of the cell contains organelles? 5. Make sketches of animal and plant cells, state three differences between them. 6. State the difference between eukaryotes and prokaryotes, 7. Where are chromosomes found in a cell? State their function, 8. 'Cells are the basic structural units of living organisms'. Explain 9. Explain why chloroplasts are found only in plant cells? 10. Complete the crossword with the help of clues given below. Across CILIO Mobil 1. This is necessary for photosynthesis Н 3. Term for component present 0 In the cytoplasm ORIS 6. The living substance in the IR cell. V P 8. Units of inheritance present on the chromosomes. Down 1. Green plastids 2. Formed by collection of tissues, 12 JHO ਤਹਤ To 4 It separates the contents of the cell from the surrounding medium ture in the cytoplasm.
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rah 1. Indicate whether the following statements are True (1) or Fals), (a) Unicellular organisms have one colled body, (b) Muscle
Answer:
Chloroplasts are found in plant cells only because chloroplasts contain chlorophyll which is essential for photosynthesis. Chlorophyll traps sunlight and uses it to prepare food for plants by the process of photosynthesis.
Verified answer
(a) Unicellular organisms have a one-celled body. True
(b) Muscle cells are branched. False
False- Because muscle cells are spindle-shaped.
(c) The basic living unit of an organism is an organ. False
False- Because the basic living unit of an organism is cell.
(d) Amoeba has an irregular shape. True