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Punjab (PTB) · Chapter test · Free

9th Class Biology Chapter 2 TestBiodiversity

30 marks · 40 minutes · 21 questions. Covers: CHAP 2: Biodiversity.

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9th Class Biology Chapter 2 Test

9th Class · Biology · Punjab (PTB)

Name: ____________Roll No: ________Class/Section: ________Date: ________Total marks: 30Time: 40 minutes

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

  1. Viruses are assigned to the kingdoms:

    1. Plantae

    2. Protista

    3. Fungi

    4. Not include in any kingdom

  2. Which domain include Prokaryotic organism that are thermophilic and halophilic?

    1. Bacteria

    2. Archaea

    3. Eukarya

    4. Protista

  3. If humans and cats belong to the same class, they must belong to the same:

    1. Phylum

    2. Order

    3. Family

    4. Genus

  4. Which character of viruses make their resemblance with living organisms?

    1. They can be crystallized

    2. They can not live outside host body

    3. They contain DNA and RNA

    4. All of the above

  5. Which one of the following is not domain?

    1. Bacteria

    2. Archaea

    3. Eukarya

    4. Virus

  6. The branch of biology which deals with classification is:

    1. Taxonomy

    2. Systematic

    3. Botany

    4. Genetics

  7. The variety of organisms in a particular area:

    1. Biodiversity

    2. Classification

    3. Domains

    4. Binomial nomenclature

  8. Organism that is NOT belonged to kingdom Fungi:

    1. Mushroom

    2. Smut

    3. Mold

    4. Cyanobacteria

  9. It consist of similar organisms that can interbreed and produce fertile offspring:

    1. Order

    2. Species 

    3. Genus

    4. Family 

  10. Which of the following help to regulate the climate:

    1. Amoeba

    2. Protozoa 

    3. Algae

    4. Bacteria 

Q2. Short questions (Attempt any 6 of 8 · 6 × 2 = 12)

  1.  What are the three types of protists?

  2. Define biodiversity. Also write the bases of measuring diversity.

  3. Why mule is not regarded as a species?

  4. Why some taxonomists found the two kingdom classification system unworkable? why?

  5. How Biodiversity maintain ecosystem?

  6. Define heterotrophs.

  7.  Write down two key benefits of biodiversity.

  8. Write down the modification in five kingdom classification system of Robert Whittaker by Margulis and Schwartz.

Q3. Long questions (Attempt any 2 of 3 · 2 × 4 = 8)

  1. What is two kingdoms classification system ? Explain.

  2. Describe the Linnaean system of classification in detail, stating the seven taxonomic ranks and their relationships.

  3. Discuss biodiversity and its significance in maintaining the health of ecosystems.