The figure given below shows the germinal layers marked as A, B, C and D. Identify the label showing undifferentiated layer and its location?

A. A, Between B & C

B. B, Between A & C

C. C, Between C & D

D. D, Between A & B

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

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  1. In which of the phylum, excretory organ like proboscis gland is present?
  2. Match the phylum given in column - I with their example given in column - II and choose the correct…
  3. Which of the following characteristic is probably most responsible for the great diversification of…
  4. In phylum arthropoda, excretion takes place through
  5. Match the terms/feature given in column I with their examples given in column II and select the correct…
  6. Which of the following statements is incorrect ?
  7. Which of the following sets of animals give birth to young ones?
  8. Which of the following possesses poison sting and belongs to class chondrichthyes?
  9. In amphibians, heart is ________ chambered.
  10. __________ is responsible for maintaining the current of water in sponge.
  11. Identify the figure with its correct name and phylum. 
  12. Which of the following statements is without exception in sponges ?
  13. A common characteristic of all vertebrates without exception is
  14. Which of the following statement is incorrect?
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  16. Which of the following is an incorrect statement regarding flatworms ?
  17. Which of the following pairs of animals are similar to each other pertaining to the feature stated against…
  18. Column-I contains organisms and column-II contains their exeretory structures. Choose the correct match…
  19. Which of the following feature in birds indicates their reptilian ancestory ?
  20. Which one of the following groups of animals is correctly matched with its characteristic feature without…
  21. Read the following statements and answer the question.(i) They are exclusively marine, radially symmetrical,…
  22. Which of the following is a living fossil?
  23. Polyp phase is absent in
  24. Which of the following is not the common fundamental feature for animal classification?
  25. Which one of the following features is common in silverfish, scorpion, dragonfly and prawn?
  26. Which of the following is a poisonous snake?
  27. The given figures (A & B) shows the germinal layer. The animals having structures shown in the figures…
  28. Match the phylum given in column - I with the special features present in them given in column - II…
  29. Which of the follwoing statement(s) is/are correct?(i) Organ systems in different group of animals show…
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