The arrangement of peripheral microtubule in centrioles is

(1)9 as triplets

(2)9 as doublets

(3)9 as singlet

(4)Both A and B

Subtopic:  Centrosomes |
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Which of the following is true about centrioles?

(1)It lacks microtubule in the centre

(2)Hub is proteinaceous

(3)It forms the body of cilia or flagella and spindle fibres

(4)All of the above

Subtopic:  Centrosomes |
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Which of the following is true

(1)Centriole is well developed in animals

(2)Centrioles lie perpendicular to each other in centrosome

(3)9+0 arrangement  of microtubules is present in centrioles

(4)All of the above

Subtopic:  Centrosomes |
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Which of the following is true for vacuole

(1)It is present in both plants and animals

(2)Central vacuole is present in plant

(3)It occupies 90% volume of the plants

(4)All of these

Subtopic:  Vacuole |
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In plant cell the concentration of ions is more in

(1)cytoplasm

(2)vacuoles

(3)equal in both

(4)nucleus

Subtopic:  Vacuole |
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The contractile vacuole

(1) is present in Amoeba

(2)helps in osmoregulation

(3)helps in excretion

(4)All of the above

Subtopic:  Vacuole |
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The membrane of vacuole is called

(1)plasma membrane

(2)tonoplast

(3)cytoplasm

(4)tunicates

Subtopic:  Vacuole |
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Which of the following vacuole is present in photosynthetic bacteria

(1)Food vacuole

(2)Gas vacuole

(3)Contractile vacuole

(4)Sap vacuole

Subtopic:  Vacuole |
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Which of the following is true about microbodies

(1)minute vesicular structures

(2)membrane bound structures

(3)found in both plants and animals

(4)All of the above

Subtopic:  Microbodies |
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Peroxisome is a type of

(1)vacuole

(2)inclusion bodies

(3)microbodies

(4)membraneless organelle

Subtopic:  Microbodies |
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