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Which one of the following statements is totally wrong about the occurrence of notochord, while the other three are correct?
Options
(a) It is present only in larval tail in Ascidians
(b) It is replaced by a vertebral column in adult frog
(c) It is absent throughout life in humans from the very beginning
(d) It is present throughout life in Amphioxus
Correct Answer:
It is absent throughout life in humans from the very beginning
Explanation:
Notochord is a flexible rod like structure that forms the main support of the body in the lowest chordates. It is not absent in humans through out their life. Notochord is present in embryonic stage and get changed or replaced by vertebral column in the adult
Related Questions: - Which among the following is the principal cation in the human blood?
- Spot out the zone of our country considered as the hot spot of biodiversity
- In a pyramid of numbers, representing an ecosystem of a large fresh water pond
- If one strand DNA has the nitrogenous bas sequence at ATCTG
- Which is not related with eukaryotic mRNA?
Topics: Plant and Animal Kingdom
(295)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which among the following is the principal cation in the human blood?
- Spot out the zone of our country considered as the hot spot of biodiversity
- In a pyramid of numbers, representing an ecosystem of a large fresh water pond
- If one strand DNA has the nitrogenous bas sequence at ATCTG
- Which is not related with eukaryotic mRNA?
Topics: Plant and Animal Kingdom (295)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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