HORTICULTURE SCIENCE
PLANT BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is NOT an example of a kingdom?
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Notochord
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Animalia
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Plantae
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Protista
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Explanation:
Detailed explanation-1: -Vertebrates do not have a notochord at any point in their development; instead, they have a vertebral column.
Detailed explanation-2: -The following organisms retain a post-embryonic notochord: Acipenseriformes (paddlefish and sturgeon) Lancelet (Amphioxus) Tunicate (larval stage only)
Detailed explanation-3: -Dorsal, rod-like notochord is the primary feature of all chordates.
Detailed explanation-4: -Notochord is a mesodermally derived rod-like structure formed on the dorsal side during embryonic development in some animals. Animals with notochord are called chordates and those animals which do not form this structure are called non-chordates, e.g., porifera to echinoderms.
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