nmdcat.online
BIO NMDCAT Concept of Evolution
nmdcat.online July 14, 2026

40. Which statement best summarizes the current scientific explanation for the origin of life?

A. Life originated through a gradual process of chemical evolution followed by biological evolution.
✓
B. The first organisms appeared suddenly in their present form.
C. Life continues to arise spontaneously under normal environmental conditions.
D. The origin of life can be explained only by cell theory.

📝 Explanation

Correct: Modern biology supports the sequence of chemical evolution leading to the first cells, followed by biological evolution. B: Not supported by scientific evidence. C: Spontaneous generation has been rejected. D: Cell theory explains existing cells, not the origin of life. Concept: Modern concept of the origin of life.

📖 Additional Information

  • Life originated through a gradual process of chemical evolution followed by biological evolution.
  • The first organisms appeared suddenly in their present form.
  • Life continues to arise spontaneously under normal environmental conditions.
  • The origin of life can be explained only by cell theory.

Correct: Modern biology supports the sequence of chemical evolution leading to the first cells, followed by biological evolution. B: Not supported by scientific evidence. C: Spontaneous generation has been rejected. D: Cell theory explains existing cells, not the origin of life. Concept: Modern concept of the origin of life.

🔗 Share This Question

Facebook Twitter LinkedIn WhatsApp

🧭 Navigate Questions

Previous Question

39. A scientist discovers fossil evidence showing that anaerobic microorganisms existed before oxygen-producing organisms. This finding supports the idea that:

Next Question

41. Which property was essential for molecules to participate in the transition from chemical evolution to biological evolution?

Back to All Questions

🔗 Related MCQs

An increase in the incidence of ectopic pregnancies within a population can often be epidemiologically correlated with a prior increase in the prevalence of which sexually transmitted disease?
July 16, 2026
In the life cycle of Herpes Simplex Virus 2 (HSV-2), the virus travels along nerve fibers to reach the sensory ganglia. The cellular mechanism responsible for this retrograde transport utilizes:
July 16, 2026
A defining characteristic of the lesions associated with the secondary stage of syphilis is that they:
July 16, 2026
The causative agent of genital herpes, HSV-2, is enveloped. The biological significance of this viral envelope in the context of transmission is that it makes the virus:
July 16, 2026
The structural basis for the severe cardiovascular complications seen in tertiary syphilis, such as aortic aneurysms, is the chronic inflammation and destruction of:
July 16, 2026

Categories

View all →