Select the incorrect statement with respect to Golgi apparatus
1. | The cis and trans faces of the organelle are similar but interconnected |
2. | The Golgi cisternae are concentrically arranged near the nucleus |
3. | It remains in close association with the endoplasmic reticulum |
4. | The ER vesicles fuse with the cis face |
Which of the following sequence is correct with respect to size?
1. Eukaryotic cell > PPLO > Viruses > Bacteria
2. Eukaryotic cell > Bacteria > PPLO > Viruses
3. Eukaryotic cell > PPLO > Bacteria > Viruses
4. Eukaryotic cell > Viruses > PPLO > Bacteria
Both cilium and flagellum arise from the part which is structurally similar to
1. | Centriole | 2. | Kinetochore |
3. | Kinetosome | 4. | Centrosphere |
Read the statements carefully and select the set of correct statements
a. | Palade particles are found in all cellular organisms |
b. | A membrane bound structure in nucleus is the site of ribosomal RNA synthesis |
c. | The mitochondria can be divide meiotically to produce daughter mitochondria |
d. | Vacuoles can occupy about 90% of the volume of a plant cell |
1. All except b
2. a & c
3. b & d
4. a & d
For the sectional view of chloroplast which is given below. Choose the correct statement
1. | Envelope possess fully permeable membranes |
2. | 'B' possess the enzymes required for protein and carbohydrates synthesis |
3. | 'A' structure giving piles of coins like appearance is the site of cycle |
4. | 'A' Possess ribosomes, large ss circular DNA |
Lysosomal enzymes act at
1. Basic pH
2. Acidic pH
3. Neutral pH
4. Acidic pH inside lysosome and basic pH in cytosol
A nuclear pore allows
1. | Unidirectional movement of DNA |
2. | RNA movement only |
3. | RNA and protein movement |
4. | Protein movement only |
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 |
The content of the 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