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Q. No.Karyotheca or nuclear membrane is absent in
1. Nostoc
2. Rhizobium
3. Drosophila
4. Both (1) & (2)
Subtopic: Prokaryotic Cell Organisation | Details of Prokaryotic Cell Structure |
79%
From NCERT
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Choose odd one out w.r.t. nuclear membrane.
1. Inner membrane is smooth
2. Cytoplasmic surface of nuclear envelope may bear ribosomes
3. Outer membrane bears 70S ribosomes
4. Perinuclear space is 10 to 50 nm
1. Inner membrane is smooth
2. Cytoplasmic surface of nuclear envelope may bear ribosomes
3. Outer membrane bears 70S ribosomes
4. Perinuclear space is 10 to 50 nm
Subtopic: Nucleus |
60%
From NCERT
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Kinetochore is associated with
1. Primary constriction
2. Secondary constriction
3. Satellite
4. More than one option is correct
1. Primary constriction
2. Secondary constriction
3. Satellite
4. More than one option is correct
Subtopic: Nucleus: Chromosomes |
70%
From NCERT
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Subtopic: Nucleus: Chromosomes |
58%
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In 'fluid mosaic model', the term fluid and mosaic signify, respectively:
1. Proteins and lipids
2. Lipids and carbohydrates
3. Lipids and proteins
4. Proteins and carbohydrates
1. Proteins and lipids
2. Lipids and carbohydrates
3. Lipids and proteins
4. Proteins and carbohydrates
Subtopic: Cell Membrane |
69%
From NCERT
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"Palade particles" can be found in/on how many of the following structures?
1. 7
2. 5
3. 4
4. 6
|
Mitochondria, chloroplast, cytoplasm, plasma membrane, vacuole, lysosomes, ER, outer nuclear membrane, Golgi bodies |
2. 5
3. 4
4. 6
Subtopic: Ribosome and Inclusion Bodies |
From NCERT
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Which of the following features/structures given below are exhibited by prokaryotic (P) and eukaryotic (E) cells?
(i) Absence of nucleolus
(ii )Presence of centrioles
(iii) Single envelope system
(iv) Mesosomes
(v) 80 S ribosomes
(i) Absence of nucleolus
(ii )Presence of centrioles
(iii) Single envelope system
(iv) Mesosomes
(v) 80 S ribosomes
| (P) | (E) | |
| 1. | (i), (iii), (v) | (ii), (iv) |
| 2. | (i), (iii), (iv) | (ii), (v) |
| 3. | (ii), (v) | (i), (iii), (iv) |
| 4 | (ii), (iii) | (i), (iv), (v) |
Subtopic: Prokaryotic Cell Organisation | Nucleus | Ribosome and Inclusion Bodies |
86%
From NCERT
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The membranous extensions found in cytoplasm of cyanobacteria and purple bacteria that contain pigments are
1. Mesosomes
2. Sphaerosome
3. Polysomes
4. Chromatophores
1. Mesosomes
2. Sphaerosome
3. Polysomes
4. Chromatophores
Subtopic: Prokaryotic Cell Organisation | Details of Prokaryotic Cell Structure |
83%
From NCERT
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Select the correct statement w.r.t. endomembrane system.
1. It is composed of ER, Golgi body, peroxisome and lysosome
2. It includes the organelles that have distinct structure and function
3. It is found in prokaryotic as well as eukaryotic cells
4. It includes both membranous and non-membranous organelles
1. It is composed of ER, Golgi body, peroxisome and lysosome
2. It includes the organelles that have distinct structure and function
3. It is found in prokaryotic as well as eukaryotic cells
4. It includes both membranous and non-membranous organelles
Subtopic: Endomembrane System |
63%
From NCERT
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Golgi apparatus is closely associated with ER in:
1. Structural as well as functional aspects
2. Structural aspects only
3. Functional aspects only
4. Metabolism and biochemistry
1. Structural as well as functional aspects
2. Structural aspects only
3. Functional aspects only
4. Metabolism and biochemistry
Subtopic: Golgi Apparatus |
72%
From NCERT
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