(D) The $Pars \text{ } amorpha$ (also known as the amorphous zone) is a specific region within the nucleolus of the cell.It consists of chromatin fibe

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(D) The $Pars \text{ } amorpha$ (also known as the amorphous zone) is a specific region within the nucleolus of the cell.It consists of chromatin fibers that are not yet organized into the dense fibrillar component.Therefore, it is structurally and functionally associated with the nucleolus, which is the site of ribosome synthesis.

Class 11 Biology Cell: The Unit of Life Nucleus and Chromosomes

Medium

Pars amorpha is associated with

A
Nucleus
B
Chloroplast
C
Mitochondria
D
Nucleolus

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Class 11 Questions

Class 11

Biology Questions

Chapter

Cell: The Unit of Life

Subtopic

Nucleus and Chromosomes

The nucleus has

MediumAIPMT 1993

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Match List-$I$ with List-$II$:

List-$I$ List-$II$

$(a)$ Metacentric chromosome $(I)$ Centromere situated close to the end forming one extremely short and one very long arm

$(b)$ Acrocentric chromosome $(II)$ Centromere at the terminal end

$(c)$ Sub-metacentric $(III)$ Centromere in the middle forming two equal arms of chromosomes

$(d)$ Telocentric chromosome $(IV)$ Centromere slightly away from the middle forming one shorter arm and one longer arm

Choose the correct answer from the options given below:

List-$I$	List-$II$
$(a)$ Metacentric chromosome	$(I)$ Centromere situated close to the end forming one extremely short and one very long arm
$(b)$ Acrocentric chromosome	$(II)$ Centromere at the terminal end
$(c)$ Sub-metacentric	$(III)$ Centromere in the middle forming two equal arms of chromosomes
$(d)$ Telocentric chromosome	$(IV)$ Centromere slightly away from the middle forming one shorter arm and one longer arm