MCQ
Macrophages and leucocytes exhibit:
- ACiliary movement.
- BFlagellar movement.
- CAmoeboid movement.
- DGliding movement.
Explanation:
Macrophages and leucocytes exhibit amoeboid movement which is effected by pseudopodia due to the streaming of protoplasm.
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$(i)$ Growth cannot be taken as a defining property of living organism.
$(ii)$ Dead organism does not grow.
$(iii)$ Reproduction cannot be an all inclusive defining characteristic of living organisms.
$(iv)$ No non-living object is capable of replicating itself.
$(v)$ Metabolism in a test tube is non-living.
$(vi)$ Metabolism is a defining feature of all living organisms.