The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known as:

1. Microtubules

2. Microfilaments

3. Intermediate filaments

4. Lamins

Subtopic:  Cytoskeleton |
 56%
AIPMT - 2014
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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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NEET 2023 - Target Batch - Aryan Raj Singh
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 |
 89%
From NCERT
AIPMT - 2014
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NEET 2023 - Target Batch - Aryan Raj Singh

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
Subtopic:  Intro to Endomembrane System: Endoplasmic Reticulum |
 78%
From NCERT
AIPMT - 2013
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

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 |
 90%
From NCERT
AIPMT - 2013
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Pigment-containing membranous extensions in some cyanobacteria are:
1. Basal bodies
2. Pneumatophores
3. Chromatophores
4. Heterocysts

Subtopic:  Details of Prokaryotic Cell Structure |
 87%
AIPMT - 2013
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

A major site for synthesis of lipids is:
1. SER
2. Symplast
3. Nucleoplasm
4. RER

Subtopic:  Intro to Endomembrane System: Endoplasmic Reticulum |
 95%
From NCERT
AIPMT - 2013
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Ribosomal RNA is actively synthesized in:

1. Lysosomes

2. Nucleolus

3. Nucleoplasm

4. Ribosomes

Subtopic:  Nucleus |
 83%
From NCERT
AIPMT - 2012
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NEET 2023 - Target Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which one of the following does not differ in E.coli and Chlamydomonas?

1. Ribosomes

2. Chromosomal organization

3. Cell wall

4. Cell membrane

Subtopic:  Cell Membrane |
 54%
AIPMT - 2012
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

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 |
 81%
From NCERT
AIPMT - 2012
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh