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Cell Organelles_ Nucleus and Nucleolus MCQs for Competitive Exams

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Cell Organelles_ Nucleus and Nucleolus MCQs for Competitive Exams

Practice with answers, explanations, and exam-focused revision notes.

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Topic Notes: Cell Organelles_ Nucleus and Nucleolus

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Quick Overview

Cell Organelles_ Nucleus and Nucleolus MCQs in Biology are useful for candidates who need targeted practice for CSS, PMS, FPSC, PPSC, NTS, entry tests, and other competitive exams in Pakistan. This topic page is designed for quick revision, repeated practice, and exam-focused preparation.

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51
How many nuclear pores are typically present in the nucleus of a mature human red blood cell?
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52
How are cellular organelles best characterized in terms of their structural nature?
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53
What is the term for the fine, thread-like structures composed of DNA and proteins observed within the nucleus during interphase?
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54
Which term describes the specialized intracellular structures that facilitate the division of labor within a cell?
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55
What is considered the fundamental structural unit of a eukaryotic chromosome?
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56
Which cellular organelle is responsible for regulating the life processes and metabolic activities of the cell?
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57
Which scientist is credited with the initial description of chromosomes as thread-like structures within the cell nucleus?
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58
Which type of plastid is responsible for the red pigmentation observed in rose petals?
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59
Who is credited with the discovery and description of the cell nucleus in 1831?
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60
What is the term for the structural unit consisting of a segment of DNA wrapped around a core of histone proteins?
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