Many ribosomes may associate with a single mRNA to form multiple copies of a polypeptide simultaneously. Such strings of ribosomes are termed as?
1. Polysome
2. Polyhedral bodies
3. Plastidome
4. Nucleosome

Subtopic:  Ribosome and Inclusion Bodies |
 93%
From NCERT
NEET - 2018
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Select the incorrect match:
 
Column I Column II
1. Lampbrush Diplotene bivalents chromosomes
2. Allosomes Sex chromosomes
3. Submetacentric L-shaped chromosomes
4. Polytene Oocytes of amphibians chromosomes

 
Subtopic:  Nucleus: Chromosomes |
NEET - 2018
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Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?
1. Ribosome
2. Chloroplast
3. Mitochondrion
4. Lysosome

Subtopic:  Mitochondria |
 89%
From NCERT
NEET - 2017
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Microtubules are the constituents of?
1. spindle fibres, centrioles and cilia
2. centrioles, spindle fibres and chromatin
3. centrosome, nucleosome and centrioles
4. cilia, flagella and peroxisomes
Subtopic:  Cytoskeleton |
 74%
From NCERT
NEET - 2016
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Mitochondria and chloroplast are:
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
Subtopic:  Plastids | Mitochondria |
 62%
NEET - 2016
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Which one of the following cell organelles is enclosed by a single membrane?
1. Chloroplasts
2. Lysosomes
3. Nuclei
4. Mitochondria
Subtopic:  Lysosomes |
 89%
From NCERT
NEET - 2016
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A complex of ribosomes attached to a single strand of RNA is known as?
1. polymer
2. polypeptide
3. okazaki fragment
4. polysome

Subtopic:  Ribosome and Inclusion Bodies |
 90%
From NCERT
NEET - 2016
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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 |
 87%
From NCERT
NEET - 2015
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Match the columns and identify the correct option. 

Column I  Column II
A. Thylakoids (i) Disc-shaped sacs in Golgi apparatus
B. Cristae (ii) Condensed structure of DNA
C. Cisternae (iii) Flat membranous sacs in stroma
D. Chromatin (iv) Infolding in mitochondria

1. A → (iv) B → (iii) C → (i) D → (ii)

2. A → (iii) B → (iv) C → (i) D → (ii)

3. A → (iii) B → (i) C → (iv) D → (ii)

4. A → (iii) B → (iv) C → (ii) D → (i)

Subtopic:  Mitochondria | Golgi Apparatus | Nucleus: Chromosomes |
 82%
From NCERT
NEET - 2015
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Balbiani rings are sites of?

1. Lipid synthesis

2. Nucleotide synthesis

3. Polysaccharide synthesis

4. RNA and protein synthesis

Subtopic:  Ribosome and Inclusion Bodies |
 58%
NEET - 2015
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