25
Question
Nitrogen is not a constituent of
Nitrogen is not a constituent of
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Solution
The correct option is B Idioblast
Invertase is an enzyme that catalyzes the hydrolysis (breakdown) of sucrose (table sugar).
Pepsin is an enzyme that breaks down proteins into smaller peptides (that is, a protease)
Bacteriochlorophylls are photosynthetic pigments that occur in various phototrophic bacteria.
As all the above are proteins/enzymes they contain nitrogen.
On the other hand, an idioblast is an isolated plant cell that differs from neighbouring tissues. They have various functions such as storage of reserves, excretory materials, pigments, and minerals. They could contain oil, latex, gum, resin, tannin or pigments etc.
Thus, the correct answer is 'Idioblast'
Invertase is an enzyme that catalyzes the hydrolysis (breakdown) of sucrose (table sugar).
Pepsin is an enzyme that breaks down proteins into smaller peptides (that is, a protease)
Bacteriochlorophylls are photosynthetic pigments that occur in various phototrophic bacteria.
As all the above are proteins/enzymes they contain nitrogen.
On the other hand, an idioblast is an isolated plant cell that differs from neighbouring tissues. They have various functions such as storage of reserves, excretory materials, pigments, and minerals. They could contain oil, latex, gum, resin, tannin or pigments etc.
Thus, the correct answer is 'Idioblast'
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