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

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bPrimary lysosomes

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cSecondary lysosomes

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dFood vacuole

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View Answer Secondary lysosomes

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


aChloroplast

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bChlorophyll

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cChromoplast

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dLeucoplast

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View Answer Chromoplast

Ribosomes + m-RNA?


aPolysome

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bPhlosome

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cPolosome

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dNone of these

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View Answer Polysome

Which of the following statement is incorrect about Glyoxisomes?


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

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bThey are abundant in soyabeans but absent in pea.

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

✓


dThey are signle membranous organelles

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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

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bMaturating face

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cAny of them

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dNone of these

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View Answer Maturating face

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


a100 S

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b90 S

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c80 S

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d70 S

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View Answer 80 S

Whone is not the function of endoplasmic reticulum?


aNerve impulse conduction

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bTransport of material

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cMechanical support

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dSynthesis of conjugated molecules

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


aCytosol

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bCisternae

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cPolysomes

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dCristae

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View Answer Cisternae

Strengthening material of prokaryotic cell wall is__________?


aCellulose

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bChitin

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cInorganic salts silica waxes and ligin

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dPeptidoglycan or Murein.

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Optimal temperature of enzymes present in human body is_____________?


a27?C

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b37?C

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c47?C

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d30?C

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View Answer 37?C

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