Arrange the following in correct sequence w.r.t. the evolution of life forms on Earth: (a) First cellular forms of life (b) Origin of non-cellular life (c) Appearance of first photosynthetic organisms (d) Evolution of invertebrates
- A(b), (a), (c), (d)
- B(a), (b), (c), (d)
- C(b), (c), (a), (d)
- D(c), (a), (b), (d)
✓ Correct answer: A
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