Class 9 Exam  >  Class 9 Notes  >  Biology for Class 9  >  Worksheet: Diversity in Living Organisms

Diversity in Living Organisms Class 9 Worksheet Science

Q.1. Unicellular, Prokaryotic organisms belong to which of the following Kingdom
(a) Monera
(b) Protista
(c) Fungi
(d) None of these

Q.2. The branch of Biology dealing with classification is known as–
(a) Ecology
(b) Mycology
(c) Taxonomy
(d) Physiology

Q.3. Which phylum contains the greatest number of species of animals?
(a) Porifera
(b) Nematoda
(c) Coelenterata
(d) Arthropoda

Q.4. Which of the following structures are characteristics of Pisces but not of Aves?
(a) Gills
(b) Fins
(c) Scales
(d) All of these

Q.5. Which of the following is a cryptogam?
(a) Gymnosperms
(b) Angiosperms
(c) Pteridophyta
(d) All of these

Q.6. What is the difference notochord and nerve card?

Q.7. Give difference between bony and cartilaginous fishes.

Q.8. What is Binomial nomenclature? Who proposed it?

Q.9. How pteridophytes different from phanerogams?

Q.10. How are the criteria for deciding divisions in plants different from the criteria for deciding the subgroups among animals?

Q.11. Will advanced organisms be the same as complex organisms? Why?

Q.12. Why do we classify organisms?

Q.13. What is classification? What is the need of classification? What is the basis of classification?

Q.14. How would you choose between two characteristics to be used for developing a hierarchy in classification?

Q.15. What are the advantages of classifying organisms?

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