Fat soluble pigments like xanthophylls are present in:

1. Chromoplasts

2. Aleuroplasts

3. Elaioplasts

4. Amyloplasts

Subtopic:  Plastids |
 71%
From NCERT
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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 |
 86%
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 |
 90%
From NCERT
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Which of the following is true about unicellular organism ?

(1)anything less than a complete structure of a cell does not ensure independent living

(2)it is capable of independent existence

(3)cell is structural and functional unit

(4)All of the above

Subtopic:  Cell Theory |
 93%
From NCERT
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The first living cell was described by

1. Anton Von Leeuwenhoek

2. Robert Brown

3. Robert Hooke

4. Both A and B

Subtopic:  Cell Theory |
 92%
From NCERT
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With the discovery of which of the following, the study of the structural details was made possible

(1)compound microscope

(2)electron microscope

(3)cryo-electron microscope

(4)Fluorescent microscope

Subtopic:  Cell Theory |
 93%
From NCERT
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Cell theory’s earlier proposed by Schleiden and Schwann  failed to explain

(1)how new cells are formed

(2)how cells die

(3)how cell division takes place

(4)how plant cell is different from animal cell

Subtopic:  Cell Theory |
 90%
From NCERT
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The statement (omnis cellula-e cellula) was given by

(1) The man who proposed modern cell theory

(2)The man who gave final shape to the cell theory

(3)The man who modified cell theory explaining that new cells are formed from pre-existing cells

(4)All of the above

Subtopic:  Cell Theory |
 86%
From NCERT
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Which of the following is true about Rudolf Virchow?

(1)He modified the hypothesis of the Schleiden and Schwann

(2)He explained how new cells are formed

(3)He explained what Schleiden and Schwann couldn’t explain in cell theory

(4)All of the above

Subtopic:  Cell Theory |
 97%
From NCERT
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Which one is true statement

(1)cell membrane is the delimiting structure of the cell

(2)cytoplasm is the main arena of cellular activities

(3)All cells have nucleus

(4)Both A and B

Subtopic:  Cell Membrane |
 85%
From NCERT
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