Science and Technology II · Textbook solutions

Animal Classification

Every solved example, exercise, and miscellaneous question — in the order the textbook teaches them. · 24 questions

Exercise

24 q
  1. Identify me.
    Ex Q1(a)
    I am diploblastic & acoelomate. Which phylum do I belong to?
  2. Ex Q1(b)
    My body is radially symmetrical. Water vascular system is present in my body. I am referred as fish though I am not. What is my name?
  3. Ex Q1(c)
    I live in your small intestine. Pseudocoelom is present in my thread like body. In which phylum will you include me?
  4. Ex Q1(d)
    Though I am multicellular, there are no tissues in my body. What is the name of my phylum?
  5. Ex Q2
    Write the characters of each of the following animals with the help of classification chart. Bath sponge, grasshopper, rohu, penguin, frog, lizard, elephant, jellyfish.
  6. Ex Q3
    Write in brief about progressive changes in animal classification.
  7. Ex Q4
    What is the exact difference between grades of organization and symmetry? Explain with examples.
  8. Answer in brief.
    Ex Q5(a)
    Give scientific classification of shark up to class.
  9. Ex Q5(b)
    Write four distinguishing characters of phylum- Echinodermata.
  10. Ex Q5(c)
    Distinguish between butterfly and bat with the help of four distinguishing properties.
  11. Ex Q5(d)
    To which phylum does Cockroach belong? Justify your answer with scientific reasons.
  12. Give scientific reasons.
    Ex Q6(a)
    Though tortoise lives on land as well as in water, it cannot be included in class- Amphibia.
  13. Ex Q6(b)
    Our body irritates if it comes in contact with jelly fish.
  14. Ex Q6(c)
    All vertebrates are chordates but all chordates are not vertebrates.
  15. Ex Q6(d)
    Balanoglossus is connecting link between non-chordates & chordates.
  16. Ex Q6(e)
    Body temperature of reptiles is not constant.
  17. Answer the following questions by choosing correct option.
    Ex Q7(a)
    Which special cells are present in the body of sponges (Porifera)?
    1. A.
      Collar cells.
    2. B.
      Cnidoblasts.
    3. C.
      Germ cells.
    4. D.
      Ectodermal cells.
  18. Ex Q7(b)
    Which of the following animals' body shows bilateral symmetry?
    1. A.
      Star fish.
    2. B.
      Jelly fish.
    3. C.
      Earthworm.
    4. D.
      Sponge.
  19. Ex Q7(c)
    Which of the following animals can regenerate it's broken body part?
    1. A.
      Cockroach.
    2. B.
      Frog.
    3. C.
      Sparrow.
    4. D.
      Star fish.
  20. Ex Q7(d)
    Bat is included in which class?
    1. A.
      Amphibia.
    2. B.
      Reptilia.
    3. C.
      Aves.
    4. D.
      Mammalia.
  21. Ex Q8
    Complete the following chart.
    Body cavityGerm LayerPhylum
    Absent-------------Porifera
    AbsentTriploblastic-----------
    Pseudocoelom-------------Aschelminthes.
    Present-------------Arthropoda
  22. Ex Q9
    Complete the following chart.
    TypeCharacterExample
    Cyclostomata
    Gill respiration
    Amphibia
    Whale
    Poikilotherms
  23. Ex Q10
    Sketch, label and classify Hydra, Jellyfish, Planaria, Round worm, Butterfly, Earthworm, Octopus, Star fish, Shark, Frog, Wall lizard, Pigeon.
  24. Ex Q11
    Label the following.