Home

Which of the following statement(s) is/are correct regarding phylum coelenterata?
(i) They are aquatic, mostly marine, sessile or freeswimming, radially symmetrical animals.
(ii) They have a central gastro-vascular cavity with a single opening called hypostome.
(iii) Digestion is extracellular and intracellular.
(iv) Examples are Sycon, Spongilla and Euspongia.

A. (i) and (ii)

B. (i) and (iv)

C. (i), (ii) and (iii)

D. All of these

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. Which of the following features distinguish mammals from other vertebrates ?
  2. Which of the following is not a characteristic feature of kingdom animalia ?
  3. Which one of the following statement regarding coelom of given animals is correct?
  4. Which of the following group of animals belongs to the same phylum?
  5. Refer the types of cells present in some animals. Each cell is specialized to perform a single specific…
  6. Refer the figures A, B, C and D given below. Which of the following options shows the correct name of…
  7. Which of the following statements (i – v) are incorrect ? Circulatory system in arthropods is…
  8. Which of the following feature is not correct regarding the figure given below? 
  9. Which of the following possesses poison sting and belongs to class chondrichthyes?
  10. Aquatic annelids (like Nereis) possess lateral appendages called ______________, which help in swimming.
  11. When any plane passing through the central axis of the body divides the organism into two identical…
  12. Which of the following feature in birds indicates their reptilian ancestory ?
  13. Match the features given in column I with their examples given in column II and choose the correct match…
  14. Identify the figure with its correct name and phylum. 
  15. Animals like annelids, arthropods, etc. where the body can be divided into identical left and right…
  16. Which of the following characteristic distinguish arthropoda from annelids and molluscs ?
  17. A student brought home a strange animal which he found outside under a rock. It had moist skin, a complete…
  18. Identify the figures and select the correct option 
  19. Polyp phase is absent in
  20. The given figure shows some characteristic features marked as chordates. Identify the correct labelling…
  21. Which of the following traits is not shared by both sea anemones and jellyfish ?
  22. Read the following statements and answer the question.(i) They are exclusively marine, radially symmetrical,…
  23. Refer the following statement and answer the question. 'Name of X is derived from stinging capsules.…
  24. The organisms attached to the substratum generally possess
  25. Which of the following statement(s) is/are correct regarding phylum aschelminthes?(i) The body is circular…
  26. In phylum echinodermata, the adult echinoderms are ______A__________ but larvae are _______B______ .
  27. In amphibians, respiration occurs through
  28. Which of the following statements is incorrect ?
  29. Which of the following is a chordate feature and not shared by the non-chordates ?
  30. Which of the following statements is without exception in sponges ?