Which one of the following structure is an organelle within an organelle?

(1) Ribosome

(2) Peroxysome

(3) ER

(4) Mesosome

Subtopic:  Eukaryotic Cell Orgenelle |
 67%
From NCERT
AIIMS - 2015
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SER and RER can be distinguished with its presence in

1. protein synthesising cells

2. protein and fat synthesising cells

3. carbohydrates and fat synthesising cells

3. lipid and protein synthesising cells

Subtopic:  Endomembrane System (Endoplasmic Reticulum) |
 51%
From NCERT
AIIMS - 2013
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Fluid mosaic model of plasma membrane was given by

1. Robertson

2. Robert Hooke

3. Singer and Nicholson

4. Gorter and Grendel

Subtopic:  Evidence for Fluidic Nature of Membrane |
 97%
From NCERT
AIIMS - 2012
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The percentage of cell surface that is impenetrable for ions is

(1) 1 %

(2) 99.9 %

(3) 90 %

(4) 73 %

Subtopic:  Cell Membrane |
AIIMS - 2011
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The property of semipermeability belongs to

(1) cell wall

(2) plasma membrane

(3) mitochondria only

(4) None of the above

Subtopic:  Cell Wall |
 85%
AIIMS - 2011
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Microtubules are absent in

(1) mitochondria

(2) flagella

(3) spindle fibres

(4) centriole

Subtopic:  Cytoskeleton |
 77%
From NCERT
AIIMS - 2010
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Which of the following four cell structures is correctly matched with the accompanying description?

(1) Plasma membrane - Outer layer of cellulose or chitin, or absent

(2) Mitochondria - Bacteria like elements with inner membrane forming sacs containing chlorophyll, found in plant cells and algae

(3) Chloroplasts - Bacteria like elements with inner membrane highly folded

(4) Golgi apparatus - Stacks of flattened vesicles

Subtopic:  Eukaryotic Cell Orgenelle |
 73%
From NCERT
AIIMS - 2009
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Which one of the following is incorrect statement

(1) All organisms are composed of cells

(2) Cell is the basic unit of life

(3) All inanimate things are made up of cells

(4) Virus is acellular

Subtopic:  Cell Theory |
 83%
From NCERT
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Which one of the following is incorrect statement

(1) Organisms composed of single cell are unicellular

(2) Organisms composed of many cells are multicellular

(3) Organisms which are not composed of any cell are acellular

(4) Organisms which are composed of single cell is acellular

Subtopic:  Cell Theory |
 86%
From NCERT
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Which of the following is true

(1)cell is the basic unit of life

(2)cell is present in all living organisms

(3)cell is the basic unit of body of organism

(4)All of these

Subtopic:  Cell Theory |
 95%
From NCERT
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