Forms in which living cells exists an their explanation
Answers
Explanation:
(a) (i) List three forms in which living cells exist
(ii) Give one example each of the forms listed in 1 (a)(a)
(b) Make a diagram, 6 cm — 10 cm long, of a typical plant cell and label fully
(c) (i) In a tabular form, state three differences between a plant cell and animal cell.
(ii) State three similarities between a plant cell and animal cell.
Explanation
(a) (i) Forms in which living cells exist
Single/free-living
Colony/colonial
Filamentous/filament
Part of a living organism.
(ii) Example
Single/free-living -Amoeba/Chlamydomonas/Paramecium/Euglena
Colony/colonial -Eudorina/Pandorinallolvox/Sponges
Filamentous/filament – Spirogyra/Chladophora/Ulothrix/Zygnema/Oedogonium
Part of living organism – cheek cell/onion cell/epidermal cell/parenchyma cell.
(b) Diagram of a typical plant cell
(c) (i) Differences between a plant cell and an animal cell
plant cell Animal
Has cellulose cell wall / rigid Lacks cellulose cell wall
Has one large central vocoule has numerous/vocoule
has chloroplast lacks chloroplast
Contains starch granules in its cytoplasm contains glycogen granules in it cytoplasm
Usually larger in size Usually smaller in size
Does not have lysosome has lysosome
Does not have centrioles / centrosome Has centrioles / centrosome
Has a regular / defined cell shape has an irregular / indefinite cell shape
cytoplasm less dense cytoplasm more dense
stores lipid as oil stores lipid as fat
(ii) Similarities in plant cell and animal cell;
They both have cytoplasm; nucleus; vacuole; mitochondrion; Golgi body; (smooth/rough) endoplasmic reticulum; cell membrane/plasma membrane; ribosomes
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Explanation:
Single/free-living – Amoeba/Chlamydomonas/Paramecium/Euglena; Colony/colonial - Eudorina/Pandorina/Volvox/sponges; Filamentous/filament – Spirogyra/Chladophora/Ulothrix/Zygnema/Oedogonium; Part of a living organism – cheek cell/onion cell/epidermal cell/parenchyma cell.