Patterns in Life: Diversity and Classification-Assignments - What Have You Learned? Science Exploration Class 9 In English-CBSE Notes


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Class 9 Science Exploration Exploration Chapter 12 Patterns in Life: Diversity and Classification Assignments - What Have You Learned?

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Patterns in Life: Diversity and Classification-Assignments - What Have You Learned? Science Exploration Class 9 In English-CBSE Notes

Patterns in Life: Diversity and Classification

Page 10 of 10

Assignments - What Have You Learned?

Chapter 12. Patterns in Life: Diversity and Classification

This assignment is based on the important concepts covered in the chapter, including biodiversity, biological classification, Five Kingdom Classification, Kingdom Monera, Protista, Fungi, Plantae, Animalia, scientific naming, binomial nomenclature and taxonomic hierarchy. The questions follow the latest CBSE competency-based assessment pattern. 

Chapter Assignment

1. One Word Answer

  1. The variety of living organisms found on Earth.
  2. The scientific process of grouping organisms.
  3. The scientist who proposed the Five Kingdom Classification.
  4. The kingdom containing prokaryotic organisms.
  5. The kingdom consisting mainly of unicellular eukaryotes.
  6. The cell wall material found in fungi.
  7. The first vascular plants.
  8. The group of plants having naked seeds.
  9. The basic unit of biological classification.
  10. The scientific system of naming organisms.

2. Fill in the Blanks

  1. India is one of the world's __________-rich countries.
  2. Evolution has produced the __________ of living organisms.
  3. Monera consists of __________ organisms.
  4. Protista contains mostly __________ organisms.
  5. Fungi reproduce mainly through __________.
  6. Plants prepare food by the process of __________.
  7. Animals are __________ in their mode of nutrition.
  8. The first word of a scientific name represents the __________.
  9. The smallest taxonomic category is __________.
  10. Robert H. Whittaker proposed the __________ Kingdom Classification.

3. True or False

  1. All organisms in Monera possess a true nucleus.
  2. Protists are mostly unicellular eukaryotes.
  3. Fungi contain chlorophyll.
  4. Bryophytes are called the amphibians of the plant kingdom.
  5. Gymnosperms produce naked seeds.
  6. Angiosperms are flowering plants.
  7. All animals possess a cell wall.
  8. Scientific names are the same throughout the world.
  9. Species is the largest taxonomic category.
  10. Biodiversity helps maintain ecological balance.

4. Match the Following

Column A Column B
Biodiversity Variety of Living Organisms
Monera Prokaryotic Organisms
Protista Mostly Unicellular Eukaryotes
Fungi Chitin Cell Wall
Bryophyta Amphibians of Plant Kingdom
Gymnosperms Naked Seeds
Angiosperms Flowering Plants
Animalia Multicellular Heterotrophs
Binomial Nomenclature Scientific Naming System
Species Basic Unit of Classification

5. Very Short Answer Questions

  1. Define biodiversity.
  2. What is biological classification?
  3. State two criteria used for classification.
  4. Name the five kingdoms proposed by Whittaker.
  5. Why are bacteria placed in Kingdom Monera?
  6. Why are fungi considered heterotrophs?
  7. Why are bryophytes called the amphibians of the plant kingdom?
  8. Differentiate between gymnosperms and angiosperms.
  9. What is binomial nomenclature?
  10. What is meant by taxonomic hierarchy?

6. Short Answer Questions

  1. Explain the importance of biodiversity.
  2. Describe the need for biological classification.
  3. Explain the criteria used for classifying living organisms.
  4. Describe the characteristics of Kingdom Monera.
  5. Differentiate between Monera and Protista.
  6. Explain the ecological importance of fungi.
  7. Describe the five major groups of plants.
  8. Differentiate between invertebrates and vertebrates.
  9. State the rules of binomial nomenclature.
  10. Explain the importance of taxonomic hierarchy.

7. Long Answer Questions

  1. Explain the development of biological classification systems from Aristotle to Whittaker.
  2. Describe the Five Kingdom Classification and the criteria used by Whittaker.
  3. Explain the characteristics, examples and importance of Kingdom Monera.
  4. Describe the characteristics and ecological importance of Kingdom Protista and Kingdom Fungi.
  5. Explain the major groups of plants with suitable examples.
  6. Describe the general characteristics and classification of Kingdom Animalia.
  7. Explain binomial nomenclature with its rules and examples.
  8. Describe the taxonomic hierarchy with a suitable diagram or flow chart.

8. Case Study Questions

Case Study – 1

A wildlife sanctuary contains hundreds of different plants, birds, insects, mammals and microorganisms. Scientists are studying the relationships among these organisms to protect the ecosystem.

  1. Which term describes the variety of organisms found there?
  2. Why is classification important in such studies?
  3. Name one benefit of biodiversity.
  4. Why is biodiversity conservation necessary?

Case Study – 2

A microbiologist observed a unicellular organism without a true nucleus. It reproduced by binary fission and lived in soil.

  1. To which kingdom does it belong?
  2. What type of cell does it possess?
  3. Name its common method of reproduction.
  4. Give one example of such an organism.

Case Study – 3

A student collected specimens of mushroom, yeast and bread mould during a biology practical.

  1. To which kingdom do these organisms belong?
  2. What is the material of their cell wall?
  3. How do they obtain nutrition?
  4. State one useful application of fungi.

Case Study – 4

Two plants were observed. One produced cones with naked seeds, while the other produced flowers and fruits.

  1. Identify both plant groups.
  2. Which group is more advanced?
  3. State one difference between them.
  4. Give one example of each group.

Case Study – 5

The scientific name of humans is Homo sapiens.

  1. Which word represents the genus?
  2. Which word represents the species?
  3. Name the system of scientific naming.
  4. Why are scientific names preferred over common names?

9. Competency-Based Questions

  1. Why is biological classification considered essential for studying biodiversity?
  2. How does the Five Kingdom Classification reflect evolutionary relationships?
  3. Explain why fungi are called the natural recyclers of ecosystems.
  4. How have plants evolved from simple thallophytes to flowering plants?
  5. Why is binomial nomenclature accepted universally?
  6. How does taxonomic hierarchy simplify the study of living organisms?
  7. Why are cyanobacteria important for both agriculture and the environment?
  8. How do biodiversity hotspots help in conservation planning?
  9. Explain how classification benefits agriculture, medicine and scientific research.
  10. Why do scientists continuously revise biological classification systems?

10. HOTS Questions

  1. Why would scientific communication become difficult without a universal naming system?
  2. Explain how evolution forms the basis of modern biological classification.
  3. If fungi disappeared from Earth, what changes would occur in ecosystems?
  4. Compare the characteristics of Monera, Protista and Fungi to explain the evolutionary increase in cellular complexity.
  5. How do vascular tissues provide an evolutionary advantage to higher plants?
  6. Why are angiosperms considered the most successful group of plants?
  7. Explain how biodiversity conservation contributes to sustainable development.
  8. Why is species considered the basic unit of classification instead of genus or family?
  9. How does taxonomic hierarchy help identify newly discovered organisms?
  10. Prepare a concept map showing:
    Biodiversity → Classification → Five Kingdoms → Plant Groups → Animal Groups → Scientific Naming → Taxonomic Hierarchy.
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