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In plants, proteins are stored in most seeds for the future need of the embryo e.g……..
a) bean                        
b) pulses
c) pea                          
d) all of these

d

Lipids:


Lipids contain which of the following elements?
a) C, H, O                  
b) C, H, Ca, O
c) C, H, O, Cd            
d) C, H, O, Se

a

Explanation: some lipids contain nitrogen and phosphorus



Most of the lipids are………and ……..in water.
a) polar – soluble       
b) polar – insoluble
c) non-polar – insoluble                   
d) non-polar – insoluble

c

Explanation: they are hydrophobic



In which of the following, lipids are soluble?
a) ether and acetone   
b) petrol
c) alcohol and CCl4   
d) all of these

d

Explanation: these are non – polar solvents which can dissolve lipids



Acylglycerol are lipids which are composed of ……..
a) glycerol and amino acids               
b) glycerol and fatty acids
c) glycerol, fatty acids and phosphoric acid  
d) glycerol and benzene rings

b

Explanation: the most common acylglycerol are triglycerides containing one glycerol and three fatty acids



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