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Q. No.The shorter and longer arms of submetacentric chromosome are referred to as:
1. m-arm and n-arm respectively
2. s-arm and l-arm respectively
3. p-arm and q-arm respectively
4. q-arm and p-arm respectively
Subtopic: Nucleus: Chromosomes |
74%
NEET - 2019
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Which of the following structure is not found in a prokaryotic cell?
1. Nuclear envelope
2. Ribosome
3. Mesosome
4. Plasma membrane
Subtopic: Prokaryotic Cell Organisation |
88%
From NCERT
NEET - 2015
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Which of the following nucleic acids is present in an organism having 70 S ribosomes only?
1. Single-stranded DNA with a protein coat
2. Double-stranded circular naked DNA
3. Double-stranded DNA enclosed in nuclear membrane
4. Double-stranded circular DNA with histone proteins
Subtopic: Details of Prokaryotic Cell Structure |
70%
From NCERT
NEET - 2019
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Mitochondria and chloroplast are:
Which one of the following options is correct?
| I: | semi-autonomous organelles. |
| II: | formed by the division of pre-existing organelles and they contain DNA but lack protein-synthesizing machinery. |
Which one of the following options is correct?
1. II is true but I is false
2. I is true but II is false
3. Both I and II are false
4. Both I and II are correct
2. I is true but II is false
3. Both I and II are false
4. Both I and II are correct
Subtopic: Plastids | Mitochondria |
62%
NEET - 2016
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Subtopic: Ribosome and Inclusion Bodies |
80%
From NCERT
NEET - 2015
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Which of the following events does not occur in rough endoplasmic reticulum?
1. Protein folding
2. Protein glycosylation
3. Cleavage of signal peptide
4. Phospholipid synthesis
2. Protein glycosylation
3. Cleavage of signal peptide
4. Phospholipid synthesis
Subtopic: Intro to Endomembrane System: Endoplasmic Reticulum |
63%
NEET - 2018
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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%
From NCERT
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Subtopic: Mitochondria | Nucleus: Chromosomes |
93%
From NCERT
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Which of the following structures performs the function of mitochondria in a bacteria?
| 1. | Nucleoid | 2. | Ribosomes |
| 3. | Cell wall | 4. | Mesosomes |
Subtopic: Details of Prokaryotic Cell Structure |
84%
From NCERT
AIPMT - 2014
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Which one of the following cellular parts is correctly described?
| 1. | Centrioles - sites for active RNA synthesis |
| 2. | Ribosomes - those on chloroplasts are larger (80s) while those in the cytoplasm are smaller (70s) |
| 3. | Lysosomes - optimally active at a pH of about 8.5 |
| 4. | Thylakoids - flattened membranous sacs forming the grana of chloroplasts |
Subtopic: Plastids |
89%
From NCERT
AIPMT - 2012
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