Option Present in the plant cells Absent in the animal cells (i) Leucoplast Cell wall (ii) Mitochondria Ribosome (iii) Cell wall Golgi apparatus (iv) Lysosome Endoplasmic reticulum Answer: Option (i) is correct. Explanation: Option (i): Leucoplast – Cell wall ✔ Correct Option (ii): Mitochondria – Ribosome ✘ Incorrect Option (iii): Cell wall – Golgi apparatus […]
(i) Controlling all the activities of a cell. Controls all the activities of the cell. (ii) Site of cellular respiration. Mitochondrion – Site of cellular respiration. (iii) Storage organelle that also provides rigidity to the cell. Vacuole – Stores materials and provides rigidity to the cell. (iv) Separates the cell contents from surroundings. Cell Membrane
Cells are observed after some time. Cell X swells, and Cell Y shrinks. Which statement provides the correct explanation for the above observations? (i) Salt molecules moved into Cell Y, causing it to shrink. (ii) Water moved into Cell X and more water moved out of Cell Y than the salt solution entered in it.
(i) Cell membrane and cell wall (permeability) Cell Membrane Cell Wall Selectively permeable is present Freely permeable is present Present in all cells. Present in only plant, fungi and bacteria cells It is Thin and flexible. It is Thick and rigid. It Controls the movement of substances It Provides shape and protection. (ii) RER and