A protoplast is a cell

a.  without plasma membrane

b.  without nucleus

c.  undergoing division

d.  without cell wall

 

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Cellular organelles with membranes are 
(a) nuclei, ribosomes and mitochondria
(b) chromosomes, ribosomes and endoplasmic reticulum
(c) endoplasmic reticulum, ribosomes and nuclie
(d) lysosomes, Golgi apparatus and mitochondria.

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Select the correct matching in the following pairs.

a.   Smooth ER—Oxidation of phospholipids

b.   Smooth ER—Synthesis of lipids

c.   Rough ER—Synthesis of glycogen

d.   Rough ER—Oxidation of fatty acids

 

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Which one of the following is not an inclusion body found in prokaryotes?

(a) Phosphate granule

(b) Cyanophycean granule

(c) Glycogen granule

(d) Polysome

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Nuclear envelope is derivative of 

(a) smooth endoplasmic reticulum

(b)memebrane of Golgi complex

(c)microtubles

(d) rough endoplasmic reticulum

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Cytochromes are found in

(a) matrix of mitochondria

(b) outer wall of mitochondria

(c) cristae of mitochondria

(d) lysosomes

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Which structures perform the function of mitochondria in bacteria?

(a) Nucleoid

(b) Ribosomes

(c) Cell wall

(d) Mesosomes

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The solid linear cytoskeletal elements having a diameter of 6nm and made up of a single type of monomer are known as

(a) microtubules

(b) microfilaments

(c) intermediate filaments

(d) lamins

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The osmotic expansion of a cell kept in water is chiefly regulated by

(a) mitochondria

(b) vacuoles

(c) plastids

(d) ribosomes

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The motile bacteria are able to move by

(a) fimbriae

(b) flagella

(c) cilia

(d) pili

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