Evolution | NTS Sindh Mdcat Past Paper MCQs | mosaicbro.com
Evolution | NTS Sindh Mdcat Past Paper MCQs
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Review Answers:
1
Who believed that living organisms gradually evolved into new organisms as nature tended to change from simple, imperfect form to complex and perfect form?
Correct Answer:C
Explanation:
Lamarck proposed the theory of inheritance of acquired characteristics, suggesting organisms evolve toward complexity.
2
According to the theory of evolution, the birds have evolved from:
Correct Answer:A
Explanation:
Birds share ancestral traits with reptiles, such as scales (feathers are modified scales) and egg-laying.
3
According to Lamarck, evolution occurred as the result of:
Correct Answer:D
Explanation:
Lamarck's theory emphasized that traits acquired during an organism's lifetime could be passed to offspring.
4
Which structure of fish is homologous with the lung of a frog?
Correct Answer:B
Explanation:
The swim bladder in fish and lungs in frogs are homologous structures, both derived from ancestral respiratory organs.
5
All of the following statements about evolution are true EXCEPT:
Correct Answer:D
Explanation:
Evolution is an ongoing process observed in modern populations (e.g., antibiotic resistance).
6
In the Hardy-Weinberg principle, p² + 2pq + q² = 1, q² represents the frequency of the:
Correct Answer:D
Explanation:
q² represents the frequency of individuals homozygous for the recessive allele in a population.
7
Lamarck's theory is based on all of the following points EXCEPT:
Correct Answer:C
Explanation:
Natural selection is central to Darwin's theory, not Lamarck's.