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Which of the following statements about plastids is incorrect?

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Important Questions on Cell : The Unit of Life

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Gamma Question Bank for Medical Biology>Chapter 8 - Cell : The Unit of Life>Assignment>Q 17
The axoneme of eukaryotic flagella usually has
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Gamma Question Bank for Medical Biology>Chapter 8 - Cell : The Unit of Life>Assignment>Q 18
Read statements A and B and choose the correct option.
A - Cytoplasm is a semi fluid matrix that occupies the volume of the cell only in eukaryotic cells
B - It is the main arena of cellular activities
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Gamma Question Bank for Medical Biology>Chapter 8 - Cell : The Unit of Life>Assignment>Q 19
The fluid nature of the membrane helps to perform functions like
(a) Cell growth & cell division
(b) Formation of intercellular junctions
(c) Endocytosis
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Gamma Question Bank for Medical Biology>Chapter 8 - Cell : The Unit of Life>Assignment>Q 20
Match the following.
i Plasmodesmata a Nuclear matrix
ii Kinetochores b Thick and tough glycocalyx
iii Nucleoplasm c Disc shaped structure on centromere
iv Capsule d Cytoplasmic connections
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Gamma Question Bank for Medical Biology>Chapter 8 - Cell : The Unit of Life>Assignment>Q 21
The site for r-RNA synthesis is
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Gamma Question Bank for Medical Biology>Chapter 8 - Cell : The Unit of Life>Assignment>Q 23
Larger and more numerous nucleoli are present in cells which are actively carrying out
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Gamma Question Bank for Medical Biology>Chapter 8 - Cell : The Unit of Life>Assignment>Q 24
How many statements are true from given below?
(a) Polysomes is a chain of many ribosomes on a common m-RNA
(b) Most of the pathogenic bacteria are Gram negative
(c) Ribosomes are electron microscopic ribonucleoprotein particles
(d) Chlorophyll pigments are present in stroma
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Gamma Question Bank for Medical Biology>Chapter 8 - Cell Cycle and Cell Division>Assignment>Q 4
On a chromosome, the site for attachment of spindle fibres is