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Q. No.The smallest living thing capable of an independent existence is:
1.
a nucleoprotein
2.
a low molecular weight RNA devoid of proteins
3.
a cell
4.
a cluster of cells
Subtopic: Introduction to Cell |
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Level 1: 80%+
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Microtubules, microfilaments and intermediate filaments:
| 1. | are ribonucleoproteins. |
| 2. | are part of cytoskeleton in both eukaryotic and prokaryotic cells. |
| 3. | are involved in many functions such as mechanical support, motility, maintenance of the shape of the eukaryotic cell. |
| 4. | are always deposited on cell surface and are never found in the cytoplasm. |
Subtopic: Cytoskeleton | Cilia & Flagella | Microbodies |
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The organelles in a eukaryotic cell that have their own genome are:
| 1. | RER and SER |
| 2. | Mitochondria and chloroplasts |
| 3. | Plasmids and plastids |
| 4. | Nucleus and ribosomes |
Subtopic: Plastids | Mitochondria |
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Level 1: 80%+
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In a prokaryotic cell, phosphate granules, cyanophycean granules and glycogen granules are examples of:
| 1. | inclusion bodies. |
| 2. | subunits of ribosomes. |
| 3. | enzyme rich locations in cell membrane. |
| 4. | products of plasmid genes. |
Subtopic: Ribosome and Inclusion Bodies |
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What would be true regarding the names of chromosomes described in the given table?
1. A and B only
2. A and C only
3. C and D only
4. B and D only
| I: | Centromere placement very close to the top, p arms not visible |
| II: | q arms are much longer than the p arms. |
| III: | p and q arms are very close in length but not equal. |
| IV: | p and q arms are equal in length. |
| A: | I is Acrocentric and II is Telocentric |
| B: | III is Metacentric and IV is Sub-metacentric |
| C: | I is Telocentroic and II is Acrocentric |
| D: | III is sub-metacentric and IV is Metacentric |
1. A and B only
2. A and C only
3. C and D only
4. B and D only
Subtopic: Nucleus: Chromosomes |
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Level 1: 80%+
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Identify the incorrectly matched pair:
| Structure | Size range | |
| 1. | Perinuclear space | 10 – 50 nm |
| 2. | Length of chloroplasts | 2 – 5 µm |
| 3. | Typical eukaryotic cell | 10 – 20 µm |
| 4. | Typical bacterium | 1 – 2 µm |
Subtopic: Plastids |
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Level 2: 60%+
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Consider the given two statements:
| Assertion (A): | The Golgi apparatus remains in close association with the endoplasmic reticulum. |
| Reason (R): | The cis and the trans faces of the organelle are entirely different, but interconnected. |
| 1. | Both (A) and (R) are True but the (R) does not explain (A). |
| 2. | (A) is True but (R) is False. |
| 3. | Both (A) and (R) are True and (R) correctly explains (A). |
| 4. | (A) is False but (R) is True. |
Subtopic: Golgi Apparatus |
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In some prokaryotes like cyanobacteria, there are membranous extensions into the cytoplasm which contain pigments and are called:
1. Mesosomes
2. Gas vacuoles
3. Inclusion bodies
4. Chromatophores
1. Mesosomes
2. Gas vacuoles
3. Inclusion bodies
4. Chromatophores
Subtopic: Details of Prokaryotic Cell Structure | Cell Wall |
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The plasmid DNA in certain bacteria:
1. Only I is incorrect
2. Only II is incorrect
3. Both I and II are correct
4. Both I and II are incorrect
| I: | is a small circular DNA and an integral part of the genomic DNA. |
| II: | confers certain unique phenotypic characters to such bacteria and one such character is resistance to antibiotics. |
2. Only II is incorrect
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Prokaryotic Cell Organisation | Details of Prokaryotic Cell Structure |
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Which of the following statement about cilia is not correct?
| 1. | Organised beating of cilia is controlled by fluxes of Ca2+ across the membrane. |
| 2. | Cilia are hair like cellular appendages. |
| 3. | Cilia contain an outer ring of nine doublet microtubules surrounding two singlet microtubules. |
| 4. | Microtubules of cilia are composed of tubulin. |
Subtopic: Cilia & Flagella |
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Level 2: 60%+
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