Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
Which of the following statements are correct? (1) The classification of Protozoa is based on type of locomotory organelle (2) Tapeworm belongs to the phylum Platyhelminthes because it is triploblasdc and acoelomate (3) Tapeworm belongs to class-Cestoidea because its body consists of metameres (4) The protozoans of the class-Sarcodina possesses flagellum as the locomotory organelleA) 1, 2 and 3 are correct
B) 1 and 2 are correct
C) 2 and 4 are correct
D) 1 and 3 are correct
Correct Answer: A
Solution :
Protozoa is classified on "the basis of locomotory organelles : Class-\[\text{I}\]: Sarcodina consists of pseudopodia forlocomotion. Class-\[\text{II}\]: Mastigophora consists of flagella for locomotion. Class-\[\text{III}\] : Ciliata have cilia as locomotory organelle. Tapeworm belongs to the phylum Platyhelminthes which is acoelomate and triploblastic. It is having bilaterally symmetrical body. Class of tapeworm is Cestoda. Metameres are characteristic of Cestoda and it says that the body is divided into segments.
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