Q. No.Cilium and flagellum emerge from centriole-like structure called as
(1)basal body
(2)shaft
(3)basal plate
(4)All of these
Which of the following is true about centrosome
(1)membraneless organelle
(2)contains two centrioles
(3)surrounded by amorphous pericentriolar
(4)All of these
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
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
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
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
In plant cell the concentration of ions is more in
(1)cytoplasm
(2)vacuoles
(3)equal in both
(4)nucleus
The contractile vacuole
| 1. | is present in Amoeba | 2. | helps in osmoregulation |
| 3. | helps in excretion | 4. | All of the above |
Which of the following vacuole is present in photosynthetic bacteria
(1)Food vacuole
(2)Gas vacuole
(3)Contractile vacuole
(4)Sap vacuole
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