Q. No.Which one of the following organelle in the figure correctly matches with its function?
1.
Golgi apparatus, protein synthesis
2.
Golgi apparatus, formation of glycolipids
3.
Rough endoplasmic reticulum, protein synthesis
4.
Rough endoplasmic reticulum, formation of gIycoproteins
Select the correct matching in the following pairs
| 1. | Rough ER – Oxidation of fatty acids |
| 2. | Smooth ER – Oxidation of phospholipids |
| 3. | Smooth ER – Synthesis of lipids |
| 4. | Rough ER – Synthesis of glycogen |
Select the mismatch
1. Gas vacuoles – Green bacteria
2. Large central vacuoles – Animal cells
3. Protists – Eukaryotes
4. Methanogens – Prokaryotes
Read the following statements carefully:
| A. | Lipid component of the plasma membrane mainly consists of phosphoglycerides. |
| B. | Polar molecules can pass through the lipid bilayer of plasma membrane, therefore they do not require carrier proteins to facilitate their transport. |
| C. | The secondary wall is capable of growth and it is formed on the outer side of the cell. |
| D. | Quasifluid nature of lipid enables the lateral movement of proteins within the overall lipid bilayer of the plasma membrane. |
| E. | Middle lamella glues the different neighboring cells together. |
How many statements are incorrect?
1. Three
2. Five
3. Four
4. Two
In the following diagram, select the part correctly matched with its character or function.
| 1. | A - The passage through the movement of RNA and protein molecules take place in both directions |
| 2. | B - Frequently observed in cells actively involved in lipids synthesis and secretion |
| 3. | C - Membrane-bound structures composed of deoxyribonucleic acid and proteins |
| 4. | D - Provide surface for DNA and protein synthesis |
Consider the following statements:
| I. | Nucleoplasm contains nucleolus and chromatin |
| II. | The nucleolus is separated from the rest of the nucleoplasm by a membrane |
| III. | The nucleolus is produced from and associated with a specific nucleolar organizing region of certain chromosomes |
| IV. | The nucleolus is the site of rRNA synthesis. |
Which of the above statements are true?
1. I, II, III and IV
2. I, II and IV
3. I, III and IV
4. II, III and IV
Consider the following statements:
| I: | The centromere is termed as the primary constriction of a chromosome |
| II: | The secondary constrictions are always constant in their positions |
| III: | The chromosomes having a satellite are marker chromosomes |
| IV: | The chromosomes bend at the secondary constrictions when they are pulled at anaphase |
Which of the above statements are true?
1. I, II and III
2. I and III
3. II, III and IV
4. I, II, III and IV
Consider the following statements:
| I: | It is postulated that mitochondria and chloroplasts, during evolution, developed a symbiotic relationship, with plant and animal cells. |
| II: | Both mitochondria and chloroplasts are formed de novo during cell division. |
| III: | Both mitochondria and chloroplasts are totally autonomous bodies. |
| IV: | Both mitochondria and chloroplasts have circular DNA associated with histones. |
The correct statements include:
1. None
2. I only
3. II, III and IV
4. I, II and III
Select the correct matching among the following pairs.
| 1. | Smooth ER-Oxidation of phospholipids |
| 2. | Smooth ER-Synthesis of lipids |
| 3. | Rough ER-Synthesis of glycogen |
| 4. | Rough ER-Oxidation of fatty acids |
| Column I | Column II | |
| 1. | Lampbrush | Diplotene bivalents chromosomes |
| 2. | Allosomes | Sex chromosomes |
| 3. | Submetacentric | L-shaped chromosomes |
| 4. | Polytene | Oocytes of amphibians chromosomes |
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