CBSE Class 9 Science Diversity in Organisms Sure Shot Questions A

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Study Material for Class 9 Science Chapter 7 Diversity In Living Organisms

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Class 9 Science Chapter 7 Diversity In Living Organisms

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1. What do you mean by bio diversity?

2. Why do we classify organisms?

3. What are the advantages of classification?

4. Define Taxonomy.

5. Who is known as father of taxonomy?

6. Give three examples of the range of variations that you see in lifeforms around you.

7. What is the primary reason for such a huge diversity we find in animals and plants?

8. Which do you think is a more basic characteristic for classifying organisms? (a) the place where they live. (b) the kind of cells they are ade of. Why?

9. What is the primary characteristic on which the first division of organisms is made?

10. Define Taxon.

11. On what bases are plants and animals put into different categories?

12. Who wrote the book The Origin of Species?

13. Which region of the earth is called the region of megadiversity?

14. Name five countries that lie in the region of megadiversity.

15. Define evolution.

16. Based on evolution, primarily how organisms are categorized?

17. Which organisms are called primitive and how are they different from the so-called advanced organisms?

18. Will advanced organisms be the same as complex organisms? Why?

19. Name the book written by Carolus Linnaeus on classification of organisms.

20. In how many kingdoms Carolus Linnaeus diving living beings?

21. Name the levels of classification proposed by Linnaeus. What happens to similarities among organisms as we go from top to bottom level?

22. In the hierarchy of classification, which grouping will have the smallest number of organisms with a maximum of characteristics in common and which will have the largest number of organisms?

23. Name the scientist who created the third kingdom for all microscopic unicellular organisms. What did he call it?

24. Who identified the Fungi as a separate multicellular eucaryotic kingdom and introduced five kingdoms? Name the five kingdoms.

25. Explain the basis for grouping organisms into five kingdoms.

26. What is the criterion for classification of organisms as belonging to kingdom Monera or Protista?

27. In which kingdom will you place an organism which is singlecelled, eukaryotic and photosynthetic?

28. In which kingdom you will place an organism which is multicellular, eukaryotic, non-green heterotroph or saprophytic, lacks chlorophyll and has absorptive mode of nutrition?

29. In which kingdom, you will place an organism which is multicellular, eukaryotic, heterotroph, lacks chlorophyll and has ingestive mode of nutrition.

30. What is the contribution of Carl Woese (1977) in classification of living beings?

31. Name the organisms which are outside the classification.

32. According to the five-kingdom system, which kingdom contains organisms whose structure is composed of prokaryotic cells?

33. Blue green algae are classified with bacteria and placed in kingdom Monera.

34. What (a) What are saprophytes? (b) Name the kingdom to which they belong. (c) What is the cell wall of fungi made up of?or

35. How do the saprophytes get their food? Give two examples of a saprophyte.

36. What is Symbiotic? Give example of organisms which exhibit this relationship.

37. Classify the following organisms into their respective kingdoms as per Whittaker's fivekingdom system.

38. What are the major divisions in the Plantae? What is the basis for these divisions?

39. Give examples of Thallophyta plants.

40. Why are Thallophytes called non-embryonic plants?

41. Which division among plants has the simplest organisms?

42. What is a thallus?

43. Why bryophytes are called the amphibians of the plant kingdom?

44. List important characteristics (at least three) of bryophytes.

45. Give examples of bryophytes.

46. What are the uses of bryophytes?
 
47. How are Pteridophytes' bodies organised?

48. How do thallophytes and pteridophytes differ from each other? Write two differences.

49. Name the plants that are called "First vascular land plants".

50. On what basis plants are divided into two sub-kingdoms?

51. How are pteridophytes different from the phanerogams?

52. How Phanerograms are divided further chiefly?

53. What are naked-seeded plants are called?

54. Give two examples of Gymnosperms.

55. Define Cryptograms.

56. How do gymnosperms and angiosperms differ from each other?

57. How Angiosperms are divided further?

58. Write the diffenences between monocots and dicots.

59. What are the general characteristics found in all animals?
 
60. In how many Phyla, the animal kingdom is divided into?

61. Name the phylum to which the following are included. (i) Spider (ii) Cockroach (iii) Prawn (iv) Housefly

62. Write two important characteristics of sponges (Phylum: Porifera)

63. What is osculum?

64. Do sponges have nervous system?

65. Give examples of Porifera or Sponges.

66. Identify the phylum having following characteristics: multi-cellular, radially symmetrical,aquatic, hollow gut.

67. What are four main features of phylum coelenterata?

68. 'Animals belong to phylum coelenterata are diploblastic.' What do you mean by the term diploblastic?

69. Which animal phylum is commonly called as flatworms?

70. Which animal phylum is considered to be first triploblastic animals?

71. Write important features about Phylum Platihelminthes.

72. How do poriferan animals differ from coelenterate animals?

73. Which phylum is commonly called roundworms or pinworms?

74. Give examples of animals belong to Nematoda.

75. Name a parasitic disease caused by members of Nematoda.

76. Name the first animals (phylum) that have true body cavity.

77. Leeches and Earthworms belong to which phylum?

78. Differentiate between Annelida and Nematode.

79. Name the largest group (phylum) of animals.

80. Give examples of Arthropod animals.

81. What is the most striking feature of phylum Arthropoda?

82. How is body of Arthropods segmented?

83. What is the type of circulatory system present in Arthropods?

84. How do annelid animals differ from arthropods?

85. Give examples of animals that belong to Phylum Mollusca.

86. What kind of circulatory system is found in animals from Mollusca phylum?

87. How is locomotion brought in animals belonging to Mollusca phylum?

88. Name the phylum to which Start fish and Sea urchin belong to?

89. Name the phylum to which this organism belongs. Write any two characteristic feature of the phylum.

90. Label A to H in the given diagram of hydra.
CBSE Class 9 Science Diversity in Organisms Sure Shot Questions A

91. What is a notochord? What does it do?

92. Give examples of organisms which belong to Phylum Protochordata.

93. List three important characteristics of Phylum Protochordata.

94. Why are Bats and whales classified as mammals?

95. A plant specimen was found without differentiated roots.(a) Which plant structure helps in attaching this plant to the substratum?(b) To which group you will keep this plant?(c) Which plant could it be?

96. Why is there a need for classification and systematic naming of living organisms?

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CBSE Class 9 Science Chapter 7 Diversity In Living Organisms Study Material

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