Study of External Features of Animals
1)Which of the following is a real-life situation where protozoa may thrive?
  

2)A student studying the external features of animals observes that a particular species has adapted to its environment by developing bright and colourful markings. What could be a potential reason for this adaptation, and how might it influence the survival and behaviour of the species?
  

3)Which among the following statements is incorrect about Cnidarians?
  

4)Which among the following statements is incorrect about Arthropods?
  

5)Where are most molluscs commonly observed?
  

6)Which among the following is the main difference between Chondrichthyes and Osteichthyes?
  

7)Which among the following statements is incorrect about Amphibia?
  

8)Which among the following statements is incorrect?
  

9)Which among the following statements is incorrect about Aves?
  

10)Which organism uses an osphradium to test the purity of water?
  

11)What is the name of the cavity present in Hydra?
  

12)Which of the following does a shark lack?