Evolution Practice Questions
NEET · Biology · 953 free MCQs with instant results and detailed explanations.
953
Total
201
Easy
423
Medium
329
Hard
Start Practicing Evolution
Take a timed quiz or customize your practice session
Topics in Evolution
Evidences of Evolution
170
Adaptive Radiation
166
Hardy-Weinberg Principle
111
Mechanisms of Evolution
169
Origin of Life
167
Human Evolution
170
Sample Questions from Evolution
Here are 10 sample questions. Start a quiz to get randomized questions with scoring.
Q1
Easy
Which of the following theories suggests that life originated from simple organic compounds?
A.
Biogenesis
B.
Abiogenesis
C.
Panspermia
D.
Spontaneous generation
Show Answer & Explanation
Correct Answer: B
Abiogenesis is the theory that suggests life originated from non-living organic compounds, making it the correct answer.
Q2
Easy
What was the main component of Earth's early atmosphere, which is believed to have contributed to the origin of life?
A.
Oxygen
B.
Nitrogen
C.
Carbon Dioxide
D.
Methane
Show Answer & Explanation
Correct Answer: D
Methane was a significant component of the early atmosphere and likely contributed to the formation of organic molecules.
Q3
Easy
According to the Miller-Urey experiment, which of the following was NOT produced?
A.
Amino acids
B.
Nucleic acids
C.
Sugars
D.
Proteins
Show Answer & Explanation
Correct Answer: D
The Miller-Urey experiment successfully produced amino acids, but proteins were not directly synthesized in the experiment.
Q4
Medium
Which of the following hypotheses suggests that life originated from simple organic molecules combining under primitive Earth conditions?
A.
Abiotic Synthesis Hypothesis
B.
Panspermia Hypothesis
C.
RNA World Hypothesis
D.
Endosymbiotic Theory
Show Answer & Explanation
Correct Answer: A
The Abiotic Synthesis Hypothesis posits that life began from simple organic compounds formed under the conditions of early Earth, which eventually led to the development of more complex structures.
Q5
Medium
Which of the following is NOT considered a requirement for the origin of life according to the Miller-Urey experiment?
A.
Presence of liquid water
B.
Oxygen-rich atmosphere
C.
Source of energy
D.
Organic compounds
Show Answer & Explanation
Correct Answer: B
The Miller-Urey experiment showed that organic compounds could form in a reducing atmosphere without free oxygen, which is actually detrimental to the formation of organic molecules.
Q6
Medium
What is the main idea behind the RNA World Hypothesis in the context of the origin of life?
A.
DNA was the first genetic material.
B.
RNA molecules could replicate and evolve.
C.
Proteins are the most primitive life forms.
D.
Life originated from mineral sources.
Show Answer & Explanation
Correct Answer: B
The RNA World Hypothesis posits that RNA was the first self-replicating molecule, allowing for the evolution of life before DNA and proteins became the primary genetic materials.
Q7
Medium
Which of the following statements is true regarding the primordial soup theory?
A.
It requires an oxygen-rich atmosphere.
B.
It suggests life originated in deep-sea vents.
C.
It posits that life started in a warm, dilute solution.
D.
It rejects the concept of organic molecules forming spontaneously.
Show Answer & Explanation
Correct Answer: C
The primordial soup theory suggests that life began in a warm, nutrient-rich solution where organic compounds accumulated and eventually formed life forms.
Q8
Hard
Which of the following hypotheses suggests that life originated from simple organic compounds formed in the early Earth atmosphere?
A.
Primordial Soup Hypothesis
B.
Panspermia Hypothesis
C.
Endosymbiotic Theory
D.
Biogenesis Theory
Show Answer & Explanation
Correct Answer: A
The Primordial Soup Hypothesis posits that life began in a 'soup' of organic molecules under reducing conditions on early Earth, which eventually led to the formation of simple organisms.
Q9
Hard
What role did RNA likely play in the origin of life according to the RNA world hypothesis?
A.
It served solely as a genetic material.
B.
It acted as both genetic material and catalyst.
C.
It was only a component of proteins.
D.
It did not play any role.
Show Answer & Explanation
Correct Answer: B
The RNA world hypothesis suggests that RNA was crucial as both a genetic material and a catalyst for biochemical reactions, supporting the idea that RNA could self-replicate.
Q10
Hard
In the Miller-Urey experiment, what was the primary purpose of simulating the conditions of early Earth?
A.
To prove biogenesis.
B.
To synthesize simple organic compounds.
C.
To analyze existing DNA.
D.
To create complex life forms.
Show Answer & Explanation
Correct Answer: B
The Miller-Urey experiment aimed to simulate the conditions of early Earth to demonstrate that simple organic compounds, such as amino acids, could form spontaneously from inorganic precursors.
Showing 10 of 953 questions. Start a quiz to practice all questions with scoring and timer.
Practice All 953 Questions →Other NEET Subjects
Evolution — NEET Biology Practice Questions Online
This page contains 953 practice MCQs for the chapter Evolution in NEET Biology. The questions are organized by difficulty — 201 easy, 423 medium, 329 hard — so you can choose the right level for your preparation.
Every question includes a detailed explanation to help you understand the concept, not just memorize answers. Take a timed quiz to simulate exam conditions, or practice at your own pace with no time limit. This chapter covers 6 topics, giving you comprehensive coverage of the entire chapter.