WU Pundamental Unit of Life - Classix
Q57. What happens when we put dried raisins or apricots
(a) Pure water?
(b) Concentrated salt solution?
Give reasons to support your answer.
Q58. What is the significance of osmosis for
(i) unicellular freshwater organisms and (ii) plant
roots?
Q59. What is the significance of diffusion for a living cell?
Q60. Is energy essential for the transport of substances
in and out of a cell?
Q61. What is the composition of plasma membrane?
Which microscope is used to study the structure of
plasma membrane?
Q62. Which property of cell membrane enables the cell
to engulf in food and other materials from its
external environment?
Q63. What is endocytosis? What is its significance?
Q64. Name the process by which Amoeba acquires its
food from the surroundings.
Answers
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Answer:
question 64
osmosis
Explanation:
ameoba takes in food using temporary finger like extension of the cell surface which fuse over the food particles forming a foodvacuole inside the food vacuole complex substance are broken into simpler one which then diffuse into cytoplasm . The remaining undigested material is moved to the surface of the cell and thrown out
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