Characterstic Features of Subphylum Vertebrata MCQ - Practice Questions with Answers
Edited By admin | Updated on Sep 18, 2023 18:34 AM | #NEET
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EASYVertebrates have
Vertebrates with hair and mammary glands are called
Which of the following statements is true for the phylum Chordata?
(a) In a Urochrdata, the notochord extends from head to tail and is present throughout their life.
(b) In Vertebrata, notochord is present during the embryonic period only
(c) The central nervous system is dorsal and hallow
(d) Chordata is divided into 3 subphyla: Hermichordata, Tunicata, and Cephalochordata
Which of the following represents the correct combination without any exception?
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Characteristics |
Class |
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Which of the following statements about circulatory system of vertebrates are true ?
Concepts Covered - 1
Subphylum Vertebrata - Characteristics Features
Subphylum Vertebrata - Characteristics Features:
- They are also called higher chordates.
- The notochord is present only during the embryonic stage. It is replaced by the vertebral column or spine.
- They possess a well developed central nervous system with a brain and spinal cord.
- They possess a well-differentiated head. The brain is surrounded by cranium or skull.
- They have a closed circulatory system with two, three, or four chambered heart.
- They have well developed respiratory, digestive, muscular and endocrine system.
- The phylum Vertebrata is divided into two divisions as follows:
- Agnatha : They lack true jaws and paired appendages. They have only one important class 一 Cyclostomata
- Gnathostomata : They possess true jaws and paired appendages. They have two important superclasses 一 Pisces and Tetrapoda
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