BIOLOGICAL DIVERSITY 9

Practice Paper

Subject Biology (2020)
      CH- 7  Diversity in Living Organism

Class IX

I. Very Short Answer Type Questions:

1. What is the Basis of Classification?
2. What is meant by ‘characteristics’?
3. Write some characteristics used for a hierarchical classification?
4. What is evolution?
5. What do you mean by Biodiversity?
6. Why are plants animals classified as separate categories?
7. What is mycelium?
8. Write two differences between Culex and Anopheles Mosquitoes
9. Why Ave and Mammal are called the wormed blooded animals?
10. Why humans are kept under mammals?
11. Why the frogs and salamanders are called amphibians?
12. Why Marchantia is placed in the kingdom of Bryophyta? 
13. What do you mean by Gymnosperm and Angiosperm?
14. What do you mean by Diploblastic and Triploblastic?

II. Short Answer Type Questions:

1. What do you mean by cold-blooded animals? Give two examples?
2. What is the difference between phylum Platyhelminthes and Nematoda?
3. Write any two differences between cryptogams and phanerogams.
4.  List any three different features of whale and fish.
5. State two characteristics features of vertebrates.
6. Why do we keep both snake and turtle in the same class?
7. Write three differences between animals belonging to the Aves group and those in the Mammals group.
8. Write four characteristics of monerans.
9. Blue-green algae have been included under the Kingdom monera not under Plantae. Why?
10. Write any three criteria on the basis of which organisms are grouped into five Kingdoms.

III. Long Answer Type Questions:

1. State two ways of classifying plants and animals into different categories. Mention the basis of classification among plants to different levels.
2. (i) Name the plants having seeds with two cotyledons.
   (ii) Name the type of circulatory system in arthropods.
3. Write one point of difference each between the following:
   (i) Porifera and Coelenterate
   (ii) Birds and Reptiles.
4. To which class of Animalia does the housefly belong? Mention any three characteristics feature of this class of animal. Give two other examples of this class of animal. 
5. (a) Given below are few plant species,
   Identified the division to which they belong and write one major characteristic of the division.
   (i) Spirogyra (ii) deodar (iii) moss.
   (b) What is the mode of nutrition for all of them?
6. The following is a list of invertebrates. Classified them into different phyla giving one characteristic morphological feature to justify your classification?
   (a) Starfish   (b) Nereis   (c) Housefly (d) Sycon (e) Planaria.
7. Mention any two similarities and one difference in the body design of animals belonging to Annelida and Arthropods.  Give two examples each of the animals belonging to these two classes.
8. (a) Identify the organisms.
   
    Name the phylum to which this organism belongs. Write any two characteristic features of the phylum.
   (b)Pick up the old one out and justify your choice by giving regions. Crocodile Salamander Sparrow Bat.
   (c) Write the common name for an Ascaris, Wuchereia.
9. Draw the flow chart for classification of Kingdom Plantae right suitable examples of each group.
   (a) Which organism is more complex and evolved among bacteria, mushroom and mango tree. Give reasons.
   (b)List out three common features in cat, rat, and bat.
10. (a) What is coelom? State its significance.
    (b) Pick of the organisms that have a pseudocoelom from the following:
    Earthworms, pinworms, tape-worm, and roundworms.
    (c) What is peculiar about the column of arthropods? What is such a condition called? Explain.
    (d) To which phylum of animals where do the following Animalia belong to
    octopus, pila, chitin, and unio? Comment on their coelom.
11. (a) Differentiate between fungi and Plantae.
    (b) Aves and Mammals.
    (c) Difference between Amphibians and Reptiles.
    (d)Differentiate between Bryophyta and Pteridophyta.
12. Name the five classes of vertebrates, compare any two on the basis of their: (i)Habit (ii) Covering of skin (iii) Respiratory organs (iv) Chamber of heart (v)Reproduction.
13. (a)State two features of Amphibians.
    (b) Identify the following organisms:
    (i) Cold-blooded animals that lay eggs in water and have three-chambered heart
    (ii) Spiny skinned organisms that have a peculiar water-driven tube system that they use for moving around.
     (iii) Organisms that have an open circulatory system having a blood-filled coelomic cavity.
14.  State reasons for each of the following statements;
    (i)  Echidna and platypus lay an egg but considered as mammals
    (ii) Forelimbs of birds are modified
    (iii) Crocodiles have a four-chambered heart but are still reptiles.
    (iv). Birds have pneumatic bones.
15. Name the largest group of animals. Write the salient features of this group. Give two examples.
16. Draw a diagram of hydra and label the following parts: Tentacles, Stinging cells, Gastrovascular cavity, Epidermis.
17. Write the four features of Pteridophyta and give any two examples.
18. Write the names of the kingdoms for the following organisms:
    (a) Single-celled, eukaryotic and photosynthetic
    (b) Multicellular,  eukaryotic and photosynthetic
    (c) Single-celled, prokaryotic and heterotrophic.
19. "Tapeworm is triploblastic". What does it mean? How is hydra different from a tapeworm in this aspect? Name the phylum to which hydra and tapeworm belong to?
20. Write one characteristics feature of each of the following:
    (i) Cryptogam  (ii) Arthropoda  (iii) Mammals.
21. (i) What is the function of the notochord?
    (ii) List out any four features that all chordates will possess.
22. (a) Write two distinct features by which vertebrates are differentiated from invertebrates.
    (b) What are photo chordates? Give two examples.
23. How are pteridophytes different from phanerogams? Give an example for each group.
24. You are given leech, Neries, Prawn and Scorpion and all have segmented body organizations. Give important characters based on which you separate these organisms into different groups.
25. Write two examples of each:
    (a) egg-laying mammals
    (b) organisms with an open circulatory system 
    (c) prokaryotic organisms.
26. Write two examples of organisms belonging to the given phylum
    (a) Nematoda
    (b) Platyhelminthes
    (c) Arthropoda
27. What is the system of scientific naming of organisms called? State two important conventions followed while giving such names.
28. State two reasons for the following:
    (a) Fungi are called saprophytes.
    (b) Platyhelminthes are called so.
    (c) Birds have hollow bones
29.  To which group in the hierarchy of classification saprophytes belong?  Why are they called saprophytes? What is meant by symbiotic relationships? Give an example.
30. Distinguish between
    (a) Monera and Protista on the basis of nucleus
    (b) Fungi and Plantae on the basis of mode of nutrition.
    (c) Gymnosperm and angiosperm on the basis of seeds.
31. Draw a neat labeled diagram of Spirogyra and label the following parts:
    (a) The outermost layer of the cell organelles that perform the function of photosynthesis
    (b) Jelly like substance in the cell where all organelles are suspended.
    (c) Darkly colored and dot-like structures generally present in the center of the cell.
32. Classify the following and write one characteristic of each:
    (a) Lichen  (b) Sponges  (c) Flatworm.
33. State reasons for the following:
    (a) Protists have appendages like cilia and flagella.
    (b) Angiosperm is called so
    (c) Fish have scales on their body.
34. Name the phylum to which spring skinned organisms like starfish and sea urchins belong to. Write two characteristics of this phylum that are peculiar to this group?
35. Write one difference between each of the following:
    (a) Echinodermata and chordate.
    (b) Amphibian and Pisces.
    (c) Gymnosperm and Angiosperm.
36. Lichen shows symbiotic life from between two organisms.
    (a) Name the two organisms showing this relationship.
    (b) Write the kingdoms to which each one of them belongs to.
    (c) In such a relationship, organisms are parasitic or mutually benefited from each other or mutually dependent on another organism. "Explain".
37. Name the phylum to which the following organisms belong :
     (a) Organisms that have a peculiar water-driven tube system that they use for moving around.
    (b) Organisms that have a foot that is used for moving around and have an open circulatory system.
    (c) These organisms have holes or poles all over the body. These lead to the canal system that helps in circulating water throughout the body.
38. Identify and name the following:
    (a) Organisms that use dead and decaying organic material as food
    (b) Cell walls of fungi are made up of this special type of sugar.
    (c) Kingdom to which animal belongs
    (d) An example of a moneran and an animal with the pseudocoelom
    (e) A group that has an open circulatory system.
39. (a) Draw a well-labeled diagram of paramecium.
    (b) Name the kingdom to which it belongs.
40. Snails are soft bodies' shelter animals. Identify the phylum to which it belongs. Write any two distinguishing features of this phylum.
41. Write two characteristic features of the phylum to which Ascaris belongs. Name the parasitic worm causing elephantiasis.
42. (a)Name the Kingdom to which protozoa belong.
    (b) Name the appendages present for movement in the following organisms: )(i) Euglena (ii) Paramecium.
    (c) Write one important characteristic of that kingdom.
43. Give another name to the category of plants that are called phanerogams. How they are further classified on the basis of their seeds. Give an example from each category.
44. How does an Angiosperm differ from a gymnosperm with respect to its reproductive structure? Give an example of an organism belonging to each one of these two classes.
45. To which class do Salamander and sparrow belong? Write any two differences between these classes.
    (a) What do you understand by the term ‘naked embryo'? 
    (b) Name any two divisions in the kingdom 'Plantae' that have a naked embryo. 
    (c) Write the example of each division.
46. Name the scientist who introduced the binomial nomenclature.
    (a) What is the scientific name of humans?
    (b)  Find the odd one out: Riccia, Funeria, Fern, Marchantia.
47. State the appropriate term of the following:
    (i) Plants that bear seeds with two cotyledons 
    (ii) Animals that do not have coelom 
    (iii)edible fungi.
48. (a) On what basis does the embryo of cryptogam differ from that of phanerogam? 
    (b) Describe the feature that divides the angiosperms into two groups. 
    (c) State that two subgroups of angiosperm.
49. List the basic criteria for classifying the Plantae into various groups. Identify the following specimen given and write its characteristic features.
50.  Bacteria fungi and plants all have cell walls, even they are placed in different groups or divisions. Why?

NCERT QUESTIONS:

1. Why do we classify organisms? 
2. Give three examples of the range of variations that you see in lifeforms around you.
3. 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 made of. Why? 
4. What is the primary characteristic on which the first division of organisms is made? 
5. On what bases are plants and animals put into different categories?
6. What is the criterion for classification of organisms as belonging to kingdom Monera or Protista? 
7. In which kingdom will you place an organism which is single-celled, eukaryotic and photosynthetic?
8. 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?
9. Which division among plants has the simplest organisms? 
10. How are pteridophytes different from the phanerogams? 
11. How do gymnosperms and angiosperms differ from each other?
12. How do poriferan animals differ from coelenterate animals?
13.  How do annelid animals differ from arthropods? 
14. What are the differences between amphibians and reptiles? 
15. What are the differences between animals belonging to the Aves group and those in the mammalian group?
16. What are the advantages of classifying organisms? 
17. How would you choose between two characteristics to be used for developing a hierarchy in classification? 
18. Explain the basis for grouping organisms into five kingdoms.
19. What are the major divisions in the Plantae? What is the basis for these divisions?
20. How are the criteria for deciding divisions in plants different from the criteria for deciding the subgroups among animals? 
21. Explain how animals in Vertebrata are classified into further subgroups.

CHAPTER 1 - MATTER IN OUR SURROUNDINGS	☛ QUESTION WITH SOLUTIONS
CHAPTER 2 - IS MATTER AROUND US PURE?	☛QUESTION WITH SOLUTIONS
CHAPTER 3 - ATOMS AND MOLECULES	☛ QUESTION WITH SOLUTIONS
CHAPTER 4 - STRUCTURE OF ATOM	☛   QUESTION WITH SOLUTIONS
CHAPTER 5 -  THE FUNDAMENTAL UNIT OF LIFE
CHAPTER 6 -  TISSUE
CHAPTER 7 -   DIVERSITY IN LIVING ORGANISM
CHAPTER 8 -  MOTION	☛ QUESTION WITH SOLUTIONS
CHAPTER 9 -  FORCE AND LAW OF MOTION	☛  QUESTION WITH SOLUTIONS
CHAPTER 10 - GRAVITATION	☛ QUESTION WITH SOLUTIONS
CHAPTER 11 -  WORK AND ENERGY
CHAPTER 12 -  SOUND
CHAPTER 13-  WHY DO WE FALL ILL
CHAPTER 14 - NATURAL RESOURCES
CHAPTER 15 - IMPROVEMENT OF FOOD RESOURCES