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Next to proteins in abundance in protoplasm are………
a) carbohydrates       
b) lipids
c) nucleic acids          
d) vitamins

a

Explanation: these are composed of C, H & O



Carbohydrates are the building material in…….cells.
a) human                                
b) plant
c) animal                                 
d) all of these

b

Explanation: especially cell wall is made of cellulose mostly



Which of the following fundamental biological molecules play role in living cells as food storage reserve and building material of cellular organelles?
a) carbohydrates         
b) proteins
c) nucleic acids          
d) lipids

d

Which of the following is/are involve/s in protein synthesis?
a) DNA                                  
b) carbohydrates
c) RNA                                  
d) both a and c

d

Which of the following inorganic compound/s is/are found in the cell protoplasm?
a) water                                  
b) inorganic salts
c) both a and b         
d) none of them

c

Two monomers join together when a OH is removed from one monomer and a H is removed from another. This is called……..reaction.
a) sublimation             
b) condensation
c) hydrolysis               
d) evaporation

b

Explanation: also called dehydration (glucose+glucose+glucoseàstarch+water)



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