Which of the following cell wall comes early and disappears gradually in the life of plant?
1. | primary cell wall | 2. | secondary cell wall |
3. | tertiary cell wall | 4. | Both 1 and 2 |
Which of the following is true
(1)bacterial flagella is made up of flagellin protein
(2)bacterial pili is made up of pilin protein
(3) bacterial flagella is different from eukaryotic flagella
(4)All of the above
Which of the following is true about Inclusion bodies
(1)membraneless
(2)present freely in cytoplasm
(3)store phosphate,glycogen
(4)All of the above
How many of the following kingdoms are eukaryotic
(monera, protista, fungi, plante, Animalia)
(1)5
(2)4
(3)3
(4)2
Which of the followings are common to plant cell and animal cell?
(Peroxisome, nucleolus, lysosome, plasmodesmata, microvilli, microtubule)
1. | 6 | 2. | 5 |
3. | 4 | 4. | 3 |
In 70S, S is
(1)sedimentation coefficient
(2)indirect measure of density and size
(3)indirect measure of mass and size
(4)Both A and B
Which of the following are the functions of cytoskeleton?
1. mechanical support
2. motility
3. maintenance of the shape of the cell
4. all of the above
Which of the following is true about centrosome
(1)membraneless organelle
(2)contains two centrioles
(3)surrounded by amorphous pericentriolar
(4)All of these
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 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