Biology MCQs

Page No. 95

During digesting the phagocytosed food particles vesicles formed from fusion of phagocytic vacuole with the enzymes secreted by Golgi apparantus are called_______?


aLysosomes


bPrimary lysosomes


cSecondary lysosomes


dFood vacuole


View Answer Secondary lysosomes

Which of the following impart a red colour to Rose petals?


aChloroplast


bChlorophyll


cChromoplast


dLeucoplast


View Answer Chromoplast

Ribosomes + m-RNA?


aPolysome


bPhlosome


cPolosome


dNone of these


View Answer Polysome

Which of the following statement is incorrect about Glyoxisomes?


aThey contain enzymes which help in conversion of fatty acids into carbohydrate


bThey are abundant in soyabeans but absent in pea.


cThey are present through out life of a plant and provide them whth energy through Glyoxylate cycle.


dThey are signle membranous organelles



Pancreas produces secretory granules that help in digestion. These granules after passing through endoplasmic reticulum are pinched off from ________ surface of Golgi apparatus:


aForming face


bMaturating face


cAny of them


dNone of these


View Answer Maturating face

60S and 40S subunit combine to form ________ particle.


a100 S


b90 S


c80 S


d70 S


View Answer 80 S

Whone is not the function of endoplasmic reticulum?


aNerve impulse conduction


bTransport of material


cMechanical support


dSynthesis of conjugated molecules



Spherical or tubular membranes which separate the material present in endoplasmic reticulum from that of cytoplasmic material are called__________?


aCytosol


bCisternae


cPolysomes


dCristae


View Answer Cisternae

Strengthening material of prokaryotic cell wall is__________?


aCellulose


bChitin


cInorganic salts silica waxes and ligin


dPeptidoglycan or Murein.



Optimal temperature of enzymes present in human body is_____________?


a27?C


b37?C


c47?C


d30?C


View Answer 37?C

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