Post Video Test - Cell : Unit of LifeContact Number: 8527521718Post Video Test - Cell : Unit of LifeContact Number: 8527521718A nuclear pore allows
1. Unidirectional movement of DNA
2. RNA movement only
3. RNA and protein movement
4. Protein movement only
Disc shaped proteinaceous structure attached to centromere of a chromosome is called
1. Chromocentre
2. NOR
3. Chromomere
4. Kinetochore
Correct statement in relation to vacuoles is
| 1. | It is a triple membrane bound space found in cytoplasm containing sap |
| 2. | It can occupy 90% of cell volume in plants |
| 3. | Its membrane allows transport of materials along the concentration gradient only |
| 4. | Concentration of ions is significantly lesser in vacuole than cytoplasm |
Find out the incorrect statement
| 1. | Middle lamella is mainly made up of Ca-pectate |
| 2. | Cell wall is formed from inner side therefore secondary wall formed before primary wall |
| 3. | Middle lamella glues the different neighbouring cells together |
| 4. | Pits are present in secondary wall |
Vesicles from ER fuse with
| 1. | Maturing face of golgi body |
| 2. | Forming face of golgi body |
| 3. | Primary lysosome for intercellular digestion |
| 4. | Plasma membrane to remove them out from cell |
Fluidity of the cell membrane is measured
| 1. | On the amount of cholesterol and protein in membrane |
| 2. | On the amount of carbohydrate in membrane |
| 3. | On the lateral movement of proteins within the overall bilayer |
| 4. | On the flip-flop movement of protein |
Which of the following cell organelle is a major site for the synthesis of steroidal hormones?
1. SER
2. Golgi bodies
3. Ribosomes
4. Peroxisome
The content of nucleolus is continuous with nucleoplasm
| 1. | Through microtubules |
| 2. | Through nuclear pores |
| 3. | Due to lack of membrane |
| 4. | Due to presence of channels in membrane |
The central part of proximal region of centriole is called hub which is made of
1. Protein
2. Lipoprotein
3. Phospholipid
4. Oligosaccharide
Glycosylation, general secretion and recycling of broken plasma membrane are functions specifically performed by
1. Glyoxysome
2. SER
3. RER
4. Golgi complex
Many of the organelle show coordination in their functions and are considered together as an endomembrane system. Find odd one out with respect. this statement
1. ER
2. Golgi complex
3. Vacuole
4. Plastid
The structure of ribosome is made of:
1. rRNA and Proteins
2. rRNA and Polysaccharides
3. mRNA, rRNA and tRNA
4. RNA, DNA and Proteins
Important site for formation of glycoproteins and glycolipids is:-
1. Lysosome
2. Vacuole
3. Golgi apparatus
4. Plastid
How many of the following statements are correct for Ribosome?
| 1. | Associated with plasma membrane of cells. |
| 2. | 15-20 nm is size. |
| 3. | Site of protein synthesis. |
| 4. | All of the above. |
Few chromosome have non-staining secondary constrictions at a constant location, also known as :-
1. Cristae
2. Satellite
3. Kinetochores
4. Hub