Question
Download Solution PDFWhich of the following statements is not true?
This question was previously asked in
UPPSC PCS Prelims 2024 Official GS Paper-I
Answer (Detailed Solution Below)
Option 1 : Nucleus of a cell does not play a role in cellular reproduction.
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Detailed Solution
Download Solution PDFThe correct answer is Option 1
Key Points
- Nucleus of a cell does not play a role in cellular reproduction.
- The nucleus is the control center of a cell and plays a crucial role in cellular reproduction.
- It contains chromosomes, which carry genetic material (DNA) necessary for cell division (mitosis and meiosis).
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During reproduction, the nucleus regulates DNA replication and distribution of genetic material to daughter cells.
Why are the other statements correct?
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Chromosomes contain information for inheritance.
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Correct. Chromosomes contain DNA, which carries genetic instructions passed from parents to offspring.
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Chromosomes are composed of DNA and Protein.
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Correct. Chromosomes consist of DNA wrapped around histone proteins, forming a structure called chromatin.
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Functional segment of DNA is called genes.
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Correct. A gene is a specific segment of DNA that codes for a particular protein, influencing traits and biological functions.
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