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Q. No.How many of the given statements are true?
I:
All cells have a true nucleus.
II:
There is a cell membrane around all living cells.
III:
All cells have a cell wall.
IV:
The cell membrane controls what the cell will look like and how it behaves.
V:
The nucleus controls what passes into and out of a cell.
1. 1
2. 2
3. 3
4. 4
Subtopic: Cell Organisation |
55%
Level 3: 35%-60%
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How many of the given statements are true?
1. 0
2. 1
3. 2
4. 3
| I: | A nucleus is smaller than a chloroplast. |
| II: | A chloroplast is larger than a mitochondrion. |
| III: | A PPLO is smaller than a virus |
| IV: | A typical eukaryotic cell is about 100 times larger than a typical bacterial cell |
1. 0
2. 1
3. 2
4. 3
Subtopic: Cell Organisation |
Level 3: 35%-60%
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Consider the given two statements:
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | Larger and more numerous nucleoli are present in cells actively carrying out lipid synthesis. |
| Statement II: | RER is frequently observed in the cells actively involved in protein synthesis and secretion. |
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Nucleus | Endomembrane System (Endoplasmic Reticulum) |
89%
Level 1: 80%+
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Identify the correct match:
Codes:
| Column I | Column II | ||
| A | Lysosomes | P | Membrane bound organelle formed by growth and division from pre-existing organelles and/or by de novo synthesis and further maturation from the ER. |
| B | Peroxisome | Q | Oxidative phosphorylation |
| C | Mitochondria | R | membrane bound vesicular structures formed by the process of packaging in the Golgi apparatus |
| D | Chloroplasts | S | Photophosphorylation |
| A | B | C | D | |
| 1. | P | R | S | Q |
| 2. | P | R | Q | S |
| 3. | R | P | S | Q |
| 4. | R | P | Q | S |
Subtopic: Eukaryotic Cell Orgenelle |
84%
Level 1: 80%+
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A satellite chromosome is best described as:
| 1. | A chromosome with an extra centromere. |
| 2. | A chromosome with a small fragment separated by a secondary constriction. |
| 3. | A chromosome found only in sex cells. |
| 4. | A chromosome without any constrictions. |
Subtopic: Nucleus: Chromosomes |
96%
Level 1: 80%+
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Consider the given two statements:
| Assertion (A): | The nucleus is the control centre of the cell and contains the genetic material (DNA). |
| Reason (R): | The nucleus directs protein synthesis through messenger RNA (mRNA) molecules. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Nucleus |
51%
Level 3: 35%-60%
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Regarding cell wall in plants:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | Middle lamella is made up of calcium pectate. |
| II: | Primary wall is capable of growth. |
| III: | Secondary wall is formed on the inner [towards membrane] side of the cell. |
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Cell Wall |
82%
Level 1: 80%+
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What will not be true for a prokaryotic bacterial cell?
| 1. | Mesosomes help in DNA replication and distribution to daughter cells. |
| 2. | Gram staining is based on the difference in the composition of cell wall of different bacteria. |
| 3. | The axonemal microtubular arrangement in prokaryotes is characterized as 9 + 2. |
| 4. | Plasmids are extrachromosomal circular double stranded DNA molecules. |
Subtopic: Cytoskeleton |
66%
Level 2: 60%+
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What role does the cell membrane play in maintaining homeostasis within animal cells?
| 1. | It synthesizes proteins that regulate cellular functions. |
| 2. | It selectively allows substances to enter and exit the cell, maintaining the internal environment. |
| 3. | It provides structural support to maintain the shape and integrity of the cell. |
| 4. | It stores genetic material and coordinates cell division. |
Subtopic: Cell Membrane |
89%
Level 1: 80%+
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The primary function of the cell wall in plant cells is to:
| 1. | control the entry and exit of substances |
| 2. | provide structural support and protection |
| 3. | conduct photosynthesis |
| 4. | store genetic information |
Subtopic: Cell Wall |
95%
Level 1: 80%+
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