The animal that has a notochord throughout its life is: MCQ with Answer and Explanation

The animal that has a notochord throughout its life is:
A. Lizard
B. Human
C. Amphioxus
D. Frog
Answer: Option C
Solution (By JKExamLibrary)
Amphioxus (Branchiostoma) is a cephalochordate that retains the notochord, dorsal nerve cord, and pharyngeal slits throughout its life. In vertebrates, the notochord is largely replaced by the vertebral column during development. Amphioxus is a key model for studying vertebrate origins.

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The organelle that contains enzymes for the glyoxylate cycle in plants is the:
A. Glyoxysome
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Correct Answer: Option A


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The hormone responsible for apical dominance in plants is:
A. Gibberellin
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Correct Answer: Option C


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The vitamin that is a component of the visual pigments in the retina is:
A. Vitamin E
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C. Vitamin C
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Correct Answer: Option B


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