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 |
The membrane of vacuole is called
1. plasma membrane
2. tonoplast
3. cytoplasm
4. tunicates
Which of the following vacuole is present in photosynthetic bacteria
(1)Food vacuole
(2)Gas vacuole
(3)Contractile vacuole
(4)Sap vacuole
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
Peroxisome is a type of
(1)vacuole
(2)inclusion bodies
(3)microbodies
(4)membraneless organelle
The Golgi apparatus principally performs the function of
1. Packaging of materials for secretion
2. Secretion to intracellular targets or outside of the cell
3. synthesis of proteins
4. Both A and B