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Origin and Evolution of Life MCQ
1. What is the meaning of evolution in?
a) The creation of new species
b) The process of natural selection
c) The gradual change in organisms over time
d) The inheritance of acquired traits
Answer: c) The gradual change in organisms over time
Read: Living World MCQ
2. ___________ is a vestigial organ
a) Human heart
b) Human brain
c) Human appendix
d) Human lungs
Answer: c) Human appendix
Read: Plant water Relation MCQ
3. Who proposed the primordial soup as a set of hypothetical conditions on ancient Earth?
a) Charles Darwin
b) Alfred Russel Wallace
c) Louis Pasteur
d) Stanley Miller and Harold Urey
Answer: d) Stanley Miller and Harold Urey
4. Example of a homologous organ
a) Wings of a bat and wings of a bird
b) Wings of a bird and wings of an insect
c) Fins of a fish and wings of a bird
d) Wings of a bat and fins of a fish
Answer: a) Wings of a bat and wings of a bird
Read: Mineral Nutrition MCQ
5. The Origin of Species was written by _____
a) Charles Darwin
b) Alfred Russel Wallace
c) Gregor Mendel
d) Thomas Malthus
Answer: a) Charles Darwin
6. What observation of species heavily inspired Darwin's theory of evolution?
a) Similarities in embryonic development
b) Variation in beak shapes among finches
c) Geographic distribution of species
d) Fossil record of extinct organisms
Answer: b) Variation in beak shapes among finches
7. Who gave the theory of natural selection?
a) Charles Darwin
b) Alfred Russel Wallace
c) Gregor Mendel
d) Jean-Baptiste Lamarck
Answer: a) Charles Darwin
8. Who challenged the theory of origin of species?
a) Alfred Russel Wallace
b) Gregor Mendel
c) Jean-Baptiste Lamarck
d) Georges Cuvier
Answer: a) Alfred Russel Wallace
9. Who is the father of the origin of species?
a) Charles Darwin
b) Alfred Russel Wallace
c) Gregor Mendel
d) Jean-Baptiste Lamarck
Answer: a) Charles Darwin
10. Who first discovered species?
a) Charles Darwin
b) Alfred Russel Wallace
c) Aristotle
d) Gregor Mendel
Answer: c) Aristotle
11. The theory of spontaneous generation was rejected by which scientist?
a) Louis Pasteur
b) Charles Darwin
c) Gregor Mendel
d) Jean-Baptiste Lamarck
Answer: a) Louis Pasteur
12. Life originated on earth about _____
a) 3.5 billion years ago
b) 4.6 billion years ago
c) 2.5 billion years ago
d) 1.8 billion years ago
Answer: b) 4.6 billion years ago
13. Which theory attempts to explain to us the origin of the universe?
a) Theory of Relativity
b) Big Bang Theory
c) Theory of Evolution
d) Germ Theory
Answer: b) Big Bang Theory
14. According to spontaneous generation, life originated _____
a) From pre-existing life forms
b) From non-living matter
c) From supernatural forces
d) From a divine creator
Answer: b) From non-living matter
15. (p+q)2 = p2 + 2pq + q2 = 1 represents an equation used in:
a) Hardy-Weinberg equilibrium
b) Mendelian genetics
c) Population genetics
d) Molecular genetics
Answer: a) Hardy-Weinberg equilibrium
16. Fossils are generally found in:
a) Sedimentary rocks
b) Igneous rocks
c) Metamorphic rocks
d) Volcanic rocks
Answer: a) Sedimentary rocks
17. Who proposed that the first form of life could have come from pre-existing non-living organic molecules?
a) Louis Pasteur
b) Alexander Oparin
c) Charles Darwin
d) Gregor Mendel
Answer: b) Alexander Oparin
18. Which is the correct order of increasing geological time scale for a hypothetical vertebrate evolution?
a) Paleozoic, Mesozoic, Cenozoic
b) Mesozoic, Paleozoic, Cenozoic
c) Paleozoic, Cenozoic, Mesozoic
d) Cenozoic, Mesozoic, Paleozoic
Answer: a) Paleozoic, Mesozoic, Cenozoic
19. Which of the following represents the correct order of evolution?
a) Prokaryotes, Eukaryotes, Multicellular organisms
b) Eukaryotes, Prokaryotes, Multicellular organisms
c) Multicellular organisms, Eukaryotes, Prokaryotes
d) Prokaryotes, Multicellular organisms, Eukaryotes
Answer: a) Prokaryotes, Eukaryotes, Multicellular organisms
20. Which of the following statements is correct about evolution?
a) Evolution is a goal-oriented process.
b) Evolution occurs in individuals within their lifetime.
c) Evolution is driven by random genetic mutations and natural selection.
d) Evolution always leads to the formation of new species.
Answer: c) Evolution is driven by random genetic mutations and natural selection.