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Q. Read the following statements and select the true (T) or false ( F) statement.
A. The notochord is an ectodermal derived rod-like structure in chordates.
B. Platyhelminthes are triploblastic and pseudocoelomate animals.
C. The alternation of generation in Obelia is called Metastasis.
D. In Ctenophora, only sexual mode of reproduction is observed.
A B C D
F F T T
T T F F
F F F T
T F F F

NTA AbhyasNTA Abhyas 2020Animal Kingdom

Solution:

Notochord is amesodermally derived rod like structure in chordates.
Platyhelminthes are triploblastic and acoelomate animals. Aschelminthes are triploblastic and pesudocoelomate animals. The alternation of generation in Obelia is called Metagenesis.