Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEETBotanyAnimal Kingdom

Read the following statements and choose the follwoing option: 1. Sponges have a central cavity called spongocoel 2. Water enters the osculum in sponges 3. Choanocytes line the spongocoel in sponges 4. Sexes are seperate in sponges

Options

  1. ABoth 1 and 3 is correct
  2. BAll are correct
  3. COnly 3 is correct
  4. DOnly 4 is correct

Correct answer

A. Both 1 and 3 is correct

Step-by-step solution

Water in sponges enters through minute pores (ostia) in the body wall into a central cavity, spongocoel, from where it goes out through the osculum,Choanocytes or collar cells line the spongocoel and the canals.

Practice Animal Kingdom on Quantrex Academy →

More from Animal Kingdom

Given below are two statements : Statement I : The class name Reptilia refers to creeping or crawling mode of locomotion. Statement II : All organisms belonging to Reptilia have th 2026Select the incorrect statements from the following : A. Digestive system in Platyhelminthes is incomplete. B. Bilateral symmetry is a characteristic feature of adult Echinoderms. C 2026Which of the following is not a characteristic of chordates ? 2026Match List I with List II : List I List II A. Molluscs I. Pulmonary respiration only B. Reptiles II. Branchial respiration C. Adult amphibians III. Cellular respiration D. Amoeba I 2026A group of researchers procured some fish-like animals and upon investigation the following characters were observed : A. Endoskeleton was made of cartilage. B. Ectoparasitic, as t 2026Select the set of fishes which belong to the class Osteichthyes : 2026The flightless bird with forelimbs modified as paddle-like structures suited for swimming is known as : 2026Given below are two statements : Statement I : When any plane passing through the central axis of the body divides the organism into two identical halves, it is called radial symme 2026 Full Animal Kingdom list All NEET PYQs