Some specialised cells in our body like macrophages and leucocytes in blood exhibit amoeboid movement. It is effected by pseudopodia formed by the streaming of protoplasm (as in Amoeba). Cytoskeletal elements like microfilaments are also involved in amoeboid movement.
Match the following types of movement or organism features with their specific examples or effects: Column I (Type of Movement/Organism Feature) A. Amoeboid movement in human cells B. Ciliary movement in tubular organs C. Muscular movement of human limbs D. Flagellar movement E. Tentacular movement in Hydra Column II (Specific Example/Effect) i. Streaming of protoplasm in macrophages ii. Passage of ovum through reproductive tract iii. Voluntary change of body posture iv. Maintenance of water current in sponges v. Simultaneous capture of prey and locomotion Which of the following options provides the correct set of matches?
Correct answer: B — A-i, B-ii, C-iii, D-iv, E-v
Let's match each item from Column I with its correct example/effect from Column II: A. Amoeboid movement in human cells: Some specialised cells in our body like macrophages and leucocytes in blood exhibit amoeboid movement, which is effected by streaming of protoplasm. So, A-i. B. Ciliary movement in tubular organs: Passage of ova through the female reproductive tract is facilitated by ciliary movement. So, B-ii. C. Muscular movement of human limbs: We use limbs for changes in body postures and locomotion as well. So, C-iii. D. Flagellar movement: Flagellar movement helps in the swimming of spermatozoa, maintenance of water current in the canal system of sponges and in locomotion of Protists like Euglena. So, D-iv is correct (maintenance of water current in sponges). E. Tentacular movement in Hydra: Hydra can use its tentacles for capturing its prey and also use them for locomotion. So, E-v. Therefore, the correct match is A-i, B-ii, C-iii, D-iv, E-v.
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