Which of the following statements concerning the Endoplasmic Reticulum is incorrect?
1.
SER are the sites for lipid synthesis
2.
RER has ribosomes attached to ER
3.
SER is devoid of ribosomes
4.
In prokaryotes, only RER is present
Subtopic: Endomembrane System | Endomembrane System (Endoplasmic Reticulum) |
86%
Level 1: 80%+
NEET - 2022
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Given below are two statements:
| Statement I: | Membrane-bound organelles of the endomembrane system coordinate cellular functions. |
| Statement II: | Mitochondria and chloroplasts are not considered a part of the endomembrane system. |
In the light of the above statements, choose the most appropriate answer from the options given below :
| 1. | Statement I is correct but Statement II is incorrect. |
| 2. | Statement I is incorrect but Statement II is correct. |
| 3. | Both Statement I and Statement II are correct. |
| 4. | Both Statement I and Statement II are incorrect. |
Subtopic: Endomembrane System |
83%
Level 1: 80%+
NEET - 2022
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Match List-I with List-II
| List-I | List-II | ||
| (a) | Chromoplasts | (i) | Proteins |
| (b) | Amyloplasts | (ii) | Oil and fats |
| (c) | Elaioplasts | (iii) | Starch |
| (d) | Aleuroplasts | (iv) | Carotene |
Choose the correct answer from the option given below
| (a) | (b) | (c) | (d) | |
| 1. | (iv) | (i) | (iii) | (ii) |
| 2. | (iv) | (iii) | (ii) | (i) |
| 3. | (iv) | (ii) | (iii) | (i) |
| 4. | (iv) | (iii) | (i) | (ii) |
Subtopic: Plastids |
89%
Level 1: 80%+
NEET - 2022
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The Golgi apparatus has a polarity or sidedness to its structure and function. Which of the following statements correctly describes this polarity?
| 1. | Transport vesicles fuse with one side of the Golgi and leave from the opposite side. |
| 2. | Proteins in the membrane of the Golgi may be sorted and modified as they move from one side of the Golgi to the other. |
| 3. | Lipids in the membrane of the Golgi may be sorted and modified as they move from one side of the Golgi to the other. |
| 4. | All of the above correctly describe polar characteristics of the Golgi function. |
Subtopic: Golgi Apparatus |
72%
Level 2: 60%+
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The chemical reactions involved in respiration are virtually identical between prokaryotic and eukaryotic cells. In eukaryotic cells, ATP is synthesized primarily on the inner membrane of the mitochondria. In light of the endosymbiont theory for the evolutionary origin of mitochondria, where is most ATP synthesis likely to occur in prokaryotic cells?
1. in the cytoplasm
2. on the inner mitochondrial membrane
3. on the endoplasmic reticulum
4. on the plasma membrane
1. in the cytoplasm
2. on the inner mitochondrial membrane
3. on the endoplasmic reticulum
4. on the plasma membrane
Subtopic: Mitochondria |
Level 3: 35%-60%
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When a potassium ion (K+) moves from the soil into the vacuole of a cell on the surface of a root, it must pass through several cellular structures. Which of the following correctly describes the order in which these structures will be encountered by the ion?
| 1. | plasma membrane → primary cell wall → cytoplasm → vacuole |
| 2. | secondary cell wall → plasma membrane → primary cell wall → cytoplasm → vacuole |
| 3. | primary cell wall → plasma membrane → cytoplasm → vacuole |
| 4. | primary cell wall → plasma membrane → lysosome → cytoplasm → vacuole |
Subtopic: Vacuole |
70%
Level 2: 60%+
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Which of the following is a characteristic feature of a carrier protein in a plasma membrane?
| 1. | It is a peripheral membrane protein. |
| 2. | It exhibits a specificity for a particular type of molecule. |
| 3. | It requires the expenditure of cellular energy to function. |
| 4. | It works against diffusion |
Subtopic: Cell Membrane |
53%
Level 3: 35%-60%
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In the following question, a statement of assertion (A) is followed by a statement of reason (R).
| Assertion (A) : | Both the solute and solvent can pass through a semipermeable membrane. |
| Reason (R) : | A semipermeable membrane is always living. |
| 1. | If both (A) & (R) are true and the (R) is the correct explanation of the assertion |
| 2. | If both (A) & (R) are true and the (R) is not the correct explanation of the assertion |
| 3. | If (A) is a true statement but (R) is false |
| 4. | If both (A) and (R) are false statements. |
Subtopic: Cell Membrane |
Level 3: 35%-60%
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Which organelle often takes up much of the volume of a plant cell?
1. lysosome
2. vacuole
3. mitochondrion
4. Golgi apparatus
1. lysosome
2. vacuole
3. mitochondrion
4. Golgi apparatus
Subtopic: Vacuole |
96%
Level 1: 80%+
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Subtopic: Cytoskeleton | Cilia & Flagella |
80%
Level 1: 80%+
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