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Punjab (PTB) · Quarter book test · Free

10th Class Biology 4th Quarter Book Paper

40 marks · 1 hour · 28 questions. Covers: CHAP 10: EVOLUTION.

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10th Class Biology 4th Quarter Book Paper

10th Class · Biology · Punjab (PTB)

Name: ____________Roll No: ________Class/Section: ________Date: ________Total marks: 40Time: 1 hour

Q1. Multiple choice questions (Attempt all · 12 × 1 = 12)

  1. In the beetle example, why are brown beetles more likely to survive than green beetles?

    1. They can fly faster

    2. They blend in with the soil better to hide from birds

    3. They eat less food

    4. They are immune to diseases

  2. Which of the following is a vestigial organ in humans?

    1. Heart

    2. Appendix

    3. Kidney

    4. Stomach

  3. Which pair are homologous structures?

    1. Bird wings and butterfly wings

    2. Dolphin fins and shark fins

    3. Human arms and dolphin fins

    4. bat wings and bird wings

  4. A mutation is best defined as:

    1. Temporary change in body features

    2. Permanent change in DNA

    3. Change in behavior 

    4. Change in population size

  5. Which is an example of a geographical barrier in allopatric speciation?

    1. Mating season

    2. Food preference

    3. River or mountain range

    4. Aggressive behavior

  6. Homologous structures show evidence of:

    1. Different ancestors

    2. A common ancestor

    3. Identical functions

    4. No relationship between species

  7. Living things compete for limited environmental resources, which include ......

    1. Only colors

    2. Food, water, and space

    3. Mutations

    4. Speed and strength

  8. Which one of the following are the inheritable differences among individuals in a population on which natural selection can act:

    1. Evolution

    2. Mutations

    3. Sources

    4. Variations

  9. The "special variations" in an organism's body or behavior are known as:

    1. Mutations

    2. Adaptations

    3. Generations

    4. Successions

  10. In which year did Charles Darwin finally publish his famous book?

    1. 1809

    2. 1850

    3. 1859

    4. 1882

  11. A new variation appears suddenly and helps survival. What happens next?

    1. It disappears

    2. It spreads through population

    3. It causes disease

    4. It's removed by natural selection

  12. What was the name of ship Darwin traveled on during his five-year voyage?

    1. HMS victory

    2. HMS endeavor

    3. HMS Beagle

    4. HMS Titanic

Q2. Short questions (Attempt any 8 of 12 · 8 × 2 = 16)

  1. Why palaeontologists study fossils?

  2. Which are the main sources of variations?

  3. Explain how the food sources on the Galapagos Islands affected the finches.

  4. What is species?

  5. How do variations lead to gradual evolution over time?

  6. What is comparative anatomy?

  7. What are the two types of speciation?

  8. Explain Allopatric Speciation with an example.

  9. What did Darwin observe regarding "unique species" on different islands?

  10. State the name and publication year of Darwin's famous book.

  11. Define evolution.

  12. Provide examples of homologous structures.

Q3. Long questions (Attempt any 3 of 4 · 3 × 4 = 12)

  1. What are vestigial structures? Explain how they provide evidence of evolution.

  2. Define evolution. Who founded the theory of evolution through natural selection?

  3. Explain the theory of evolution by natural selection.

  4. Describe the sources of variation.