Chapter Exam

Chapter 19: Origin and Evolution of Life — Online MCQ Test

Q: Who proposed the 'Theory of Inheritance of Acquired Characters'?

Answer: B. Jean Baptiste Lamarck — Lamarck proposed that organisms acquire traits during their lifetime and pass them to offspring.

Q: Which of the following is considered the 'Father of Evolution'?

Answer: A. Charles Darwin — Charles Darwin is known for the Theory of Natural Selection.

Q: Which theory explains that species change over time through natural selection and survival of the fittest?

Answer: B. Darwinism — Darwinism emphasizes that favorable variations help organisms survive and reproduce.

Q: In the context of evolution, 'homologous structures' imply:

Answer: A. Common ancestry — Homologous structures share a common structural plan due to shared ancestry, regardless of function.

Q: The Modern Synthetic Theory of evolution defines evolution as:

Answer: B. Change in gene frequency in a population. — Evolution is defined as the change in allele (gene) frequencies in a population over time.

SCIENCE · CLASS 10th · Tamil Nadu State Board

Practice Chapter 19: Origin and Evolution of Life with a free chapter-wise online MCQ test for Tamil Nadu State Board CLASS 10th SCIENCE. This chapter covers: This chapter traces theories of origin of life Lamarckism Darwinism modern synthetic theory and paleontology evidence. Students explore ethno-botany medicinal plants and evolutiona.... AI-generated questions from basic to board-exam level, with instant results and explanations.

Questions

20m

Time Limit

Attempts Left

10 random questions from this chapter (mixed difficulty)
Questions you've seen before won't repeat until the pool resets
You have 20 minutes — exam auto-submits when time is up
Maximum 3 attempts per chapter
Results and explanations shown immediately after submission

New here? Register free — includes 3 free chapter exams.

Chapter 19: Origin and Evolution of Life — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board CLASS 10th SCIENCE — Chapter 19: Origin and Evolution of Life, with answers and explanations. These are sample questions; the exam has its own separate question set.

Who proposed the 'Theory of Inheritance of Acquired Characters'?