In 70S, S is

(1)sedimentation coefficient

(2)indirect measure of density and size

(3)indirect measure of mass and size

(4)Both A and B

Subtopic:  Prokaryotic Cell Organisation |
 78%
From NCERT
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Which of the following is true about ribosomes

(1)It’s a membraneless structure

(2)70s and 80s are composed of 2 subunits

(3)70s is also present in chloroplast

(4)All of these

Subtopic:  Details of Prokaryotic Cell Structure |
 93%
From NCERT
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Cytoskeleton comprises of

(1)Microtubule

(2)Microfilament

(3)Intermediate filament

(4)All of the these

Subtopic:  Cytoskeleton |
 87%
From NCERT
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Which of the following are the functions of cytoskeleton?

1. mechanical support

2. motility

3. maintenance of the shape of the cell

4. all of the above

Subtopic:  Cytoskeleton |
 96%
From NCERT
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Cytoskeleton is made up of

(1)Proteins

(2)carbohydrates

(3)lipids

(4)All of these

Subtopic:  Cytoskeleton |
 66%
From NCERT
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Cilia and flagella are

(1)microtubule

(2)microfilament

(3)intermediate filament

(4)Both A and B

Subtopic:  Cilia & Flagella |
 53%
From NCERT
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Which of the following is not true about cilia and flagella

(1)Both help in locomotion

(2)cilia is shorter and flagella is longer

(3)Flagella works like Oars

(4)hair-like outgrowths of the cell membrane

Subtopic:  Cilia & Flagella |
 69%
From NCERT
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How many of the following structures are synthesised by microtubules?

Centrioles, basal body, cilia, flagella, spindle fibres

(1)5

(2)4

(3)3

(4)2

Subtopic:  Cilia & Flagella |
 59%
From NCERT
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Which of the following is the structural and functional unit of bacterial flagella and cilia

(1)axon

(2)axoneme

(3)flagellin

(4)All of the above

Subtopic:  Cilia & Flagella |
 63%
From NCERT
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Which of the following is true about axoneme except

(1) It has nine doublets of peripheral microtubules

(2)2 centrally located microtubule

(3)nine radial spokes

(4)central sheath is absent

Subtopic:  Cilia & Flagella |
 85%
From NCERT
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