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Which of the following characteristics is correct for reptilia?

A. Body covered with dry and cornified skin, scales over the body are epidermal, they do not have external ears.

B. Body is covered with moist skin and is devoid of scales, the ear is represented by a tympanum, alimentary canal, urinary and reproductive tracts open into a common cloaca.

C. Fresh water animals with bony endoskeleton and airbladder regulate buoyancy.

D. Marine animals with cartilaginous endoskeleton and body is covered with placoid scales.

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  4. Identify the animals shown in the given figures A, B and C from options given below. 
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  7. Match the characteristic feature/terms given in column I with the phylum to which they belongs given…
  8. Match the terms/feature given in column I with their examples given in column II and select the correct…
  9. Read the following statements and answer the question.(i) They are exclusively marine, radially symmetrical,…
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  14. Identify the figure with its correct name and phylum. 
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  20. Which of the following characteristics is correct for reptilia?
  21. Which of the following feature is not correct regarding the figure given below? 
  22. Which of the following characteristic distinguish arthropoda from annelids and molluscs ?
  23. Which one of the following statement regarding coelom of given animals is correct?
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  25. Which of the following phylum is being described by the given statements?(i) These are primitive multicellular…
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  27. Which of the following is a poisonous snake?
  28. Column I contains zoological names of animals and column II contains their common name. Match the following…
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  30. A file like rasping organ for feeding, called radula, present in the phylum __________.