Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET2026BiologyChapterActual

Read the following statements regarding the members of Phylum Chordata: A. They possess a solid and double central nervous system. B. They have a ventral heart. C. Pharynx is perforated by gill slits. D. They possess a post-anal tail. E. Notochord is absent during the embryonic stage. Choose the correct answer from the options given below:

Options

  1. AB, C and D only
  2. BA, B and C only
  3. CA, D and E only
  4. DC, D and E only

Correct answer

A. B, C and D only

Step-by-step solution

Members of Phylum Chordata are characterized by the presence of a notochord, a dorsal hollow single nerve cord, and paired pharyngeal gill slits. Statement A is incorrect because chordates possess a hollow, single, and dorsal central nervous system, whereas non-chordates have a solid, double, and ventral central nervous system. Statement B is correct as chordates have a ventrally located heart. Statement C is correct because the pharynx is perforated by gill slits in chordates. Statement D is correct as a post-anal

Practice Chapter on Quantrex Academy →

More from Chapter

Consider the following three biomolecules: X: Uridine Y: Cytidylic acid Z: Guanine Choose the option that correctly categorizes X, Y, and Z. 2026The complete, catalytically active enzyme together with its bound non-protein constituent is known as: 2026During a laboratory experiment, a student accidentally boils a sample of salivary amylase before adding it to a starch solution. Which of the following best explains the most likel 2026During a biological survey, a researcher discovers a new organism. To classify it properly, she examines its external and internal structure, cellular organization, developmental p 2026Given below are the stages in the sexual reproduction of higher fungi. Arrange the following stages in the correct sequence. A. Fusion of parental nuclei (Karyogamy) B. Meiosis in 2026Read the given statements regarding the general characteristics of bryophytes and select the incorrect statement. 2026Arrange the following male reproductive structures of gymnosperms in descending order of their physical hierarchy (macroscopic to microscopic). A. Microsporangium B. Microspore C. 2026Which of the following sets of plants is correctly paired with the nature of its dominant plant body and the status of its vascular tissues? 2026 Full Chapter list All NEET PYQs