Most bacteria contain plasmids that often encode for traits that are:
1. advantageous but not essential to their bacterial host
2. advantageous and essential to their bacterial host
3. not advantageous but essential to their bacterial host
4. neither advantageous nor essential to their bacterial host
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Mesosomes, extensions of plasma membrane into the cell, help bacterium in all the following processes except:
1. | Photosynthesis in cyanobacteria | 2. | Respiration |
3. | DNA replication | 4. | Cell wall formation |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
An important site of the formation of glycoproteins and glycolipids in a eukaryotic cell is the:
1. Rough endoplasmic reticulum
2. Smooth endoplasmic reticulum
3. Golgi apparatus
4. Lysosomes
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
In animal cells, steroidal hormones are synthesized in the:
1. | Rough endoplasmic reticulum |
2. | Smooth endoplasmic reticulum |
3. | Golgi apparatus |
4. | Lysosomes |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Spindle fibers are attached to the chromosome in the region of:
1. | Centrosome | 2. | Chromomere |
3. | Chromonema | 4. | Kinetochore |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Which of the following statements is true for a secretory cell?
1. | Golgi apparatus is absent |
2. | Rough Endoplasmic Reticulum (RER) is easily observed in the cell |
3. | Only Smooth Endoplasmic Reticulum (SER) is seen in the cell |
4. | Secretary granules are formed in nucleus |
A common characteristic feature of plant sieve tube cells and most of mammalian erythrocytes is
1. | Absence of mitochondria | 2. | Presence of cell wall |
3. | Presence of haemoglobin | 4. | Absence of nucleus |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
When the centromere in a chromosome is located close to its end, the chromosome is called as:
1. | Metacentric | 2. | Sub-metacentric |
3. | Acrocentric | 4. | Telocentric |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Identify the incorrect statement regarding nucleolus:
1. | Their content is continuous with nucleoplasm |
2. | It is site for active rRNA synthesis |
3. | Their number is always one per nucleus |
4. | Larger nucleoli are present in cells actively carrying out protein synthesis |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Identify the incorrect statement regarding chloroplasts:
1. | They are double membrane bound organelles |
2. | Inner chloroplast membrane is relatively more permeable |
3. | Chlorophyll pigments are present in the thylakoids |
4. | Stroma contains enzymes required for synthesis of carbohydrates and proteins |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.