10th Class Biology Chapter 10 TestEVOLUTION

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

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