NEET BIOLOGY

BIOLOGICAL CLASSIFICATION

KINGDOM PROTISTA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Protozoans are placed into four groups on the basis of
A
cell membrane and cell wall components
B
heterotrophic or autotrophic mode of nutrition
C
means of locomotion
D
characteristics of the nucleus
Explanation: 

Detailed explanation-1: -Protozoa can be divided into four phyla based on their locomotion: Mastigophora, Sarcodina, Ciliophora, and Sporozoa.

Detailed explanation-2: -Historically protozoa were divided into four major groups: the ameba, the flagellates, the ciliates, and the sporozoa. The distinguishing features between the groups was based on motility (i.e., ameboid, flagella, cilia).

Detailed explanation-3: -Protozoa are unicellular, heterotrophic, eukaryotic organisms comprising four organization types: amebae, flagellates, ciliates, and parasitic sporozoans.

Detailed explanation-4: -Locomotion in protozoans can be classified into 3 broad types: flagellar locomotion, ciliary locomotion, and amoeboid locomotion. In flagellar locomotion, flagella is a whip-like structure that helps in the movement of a cell or organism.

Detailed explanation-5: -Protozoans exhibit diverse modes of locomotion across the various groups, but the modes of locomotion can be broadly divided into flagellar, ciliary, and amoeboid movement.

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