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Q. No.The osmotic expansion of a cell kept in water is chiefly regulated by:
1. Mitochondria
2. Vacuoles
3. Plastids
4. Ribosomes
Subtopic: Vacuole |
93%
AIPMT - 2014
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Hints
Match the following and select the correct answer:
| Column I | Column II | ||
| (a) | Centriole | (i) | Infoldings in mitochondria |
| (b) | Chlorophyll | (ii) | Thylakoids |
| (c) | Cristae | (iii) | Nucleic acids |
| (d) | Ribozymes | (iv) | Basal body of cilia or flagella |
1. A-iv, B-ii, C-i, D-iii
2. A-i, B-ii, C-iv, D-iii
3. A-i, B-iii, C-ii, D-iv
4. A-iv, B-iii, C-i, D-ii
Subtopic: Plastids | Mitochondria | Cilia & Flagella |
90%
From NCERT
AIPMT - 2014
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Hints
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Which one of the following organelles 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 glycoproteins
1. Golgi apparatus, protein synthesis
2. Golgi apparatus, formation of glycolipids
3. Rough endoplasmic reticulum, protein synthesis
4. Rough endoplasmic reticulum, formation of glycoproteins
Subtopic: Intro to Endomembrane System: Endoplasmic Reticulum |
79%
From NCERT
AIPMT - 2013
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Hints
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The Golgi complex plays a major role:
| 1. | in digesting proteins and carbohydrates |
| 2. | as energy transferring organelles |
| 3. | in post-translational modification of proteins and glycosidation of lipids |
| 4. | in trapping the light and transforming it into chemical energy |
Subtopic: Golgi Apparatus |
91%
From NCERT
AIPMT - 2013
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Subtopic: Intro to Endomembrane System: Endoplasmic Reticulum |
96%
From NCERT
AIPMT - 2013
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Subtopic: Nucleus |
84%
From NCERT
AIPMT - 2012
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What is true about ribosomes?
| 1. | The prokaryotic ribosomes are 80S, where S stands for sedimentation coefficient |
| 2. | These are composed of ribonucleic acid and proteins |
| 3. | These are found only in eukaryotic cells |
| 4. | These are self-splicing introns of some RNAs |
Subtopic: Ribosome and Inclusion Bodies |
82%
From NCERT
AIPMT - 2012
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Hints
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Select the correct statement from the following regarding cell membrane:
| 1. | Na+ and K+ ions move across cell membranes by passive transport |
| 2. | Proteins make up 60% to 70% of the cell membrane |
| 3. | Lipids are arranged in a bilayer with polar heads towards the inner part |
| 4. | Fluid mosaic model of the cell membrane was proposed by Singer and Nicolson |
Subtopic: Cell Membrane |
90%
From NCERT
AIPMT - 2012
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Which one of the following structures between two adjacent cells is an effective transport pathway?
1. Plasmodesmata
2. Plastoquinones
3. Endoplasmic reticulum
4. Plasmalemma
Subtopic: Cell Wall |
93%
From NCERT
AIPMT - 2010
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Important site for the formation of glycoproteins and glycolipids:
1. Golgi apparatus
2. plastid
3. lysosome
4. vacuole
Subtopic: Golgi Apparatus |
97%
From NCERT
AIPMT - 2011
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