Which one of the following is the site for active ribosomal RNA synthesis?
1. Nucleolus 2. Chromatin 
3. Centrosome 4. Kinetochore
Subtopic:  Nucleus |
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Level 1: 80%+
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Non-membrane bound cell organelles found in both prokaryotic and eukaryotic cell are___________.
1. Centrosomes
2. Ribosomes
3. Lysosomes
4. Mitochondria
Subtopic:  Ribosome and Inclusion Bodies |
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Level 1: 80%+
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Choose the correct statements regarding cell organelles and their inclusions.
A. The endomembrane system includes Golgi complex, endoplasmic reticulum and mitochondria.
B. Rough endoplasmic reticulum bears ribosomes on its surface.
C. Both mitochondria and plastids have circular DNA.
D. A network of microtubules, microfilaments and intermediate filaments present in the cytoplasm is called cytoskeleton.
E. Mitochondrion is a single membrane-bound structure.

Choose the correct answer from the options given below :
1. C, D and E only
2. A and B only
3. A, B and C only
4. B, C and D only
Subtopic:  Cell Organisation |
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Level 2: 60%+
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Select the correct statements regarding cell membrane in eukaryotic cell.
A. Membrane of human RBCs has approximately 52% protein.
B. Major phospholipids are arranged in a bilayer.
C. Extensions of the plasma membrane into the cell form mesosomes.
D. Tails towards the inner part of lipids are hydrophobic and thus protected from aqueous medium.
E. Glycocalyx is present on the outer surface of the plasma membrane.

Choose the correct answer from the options given below:
1. A, C and E only
2. B, C and E only
3. C, D and E only
4. A, B and D only
Subtopic:  Cell Membrane |
 67%
Level 2: 60%+
NEET - 2026
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Mitochondrial inner membrane encloses ______.
 
1. aqueous humor 2. matrix
3. cytosol 4. mucus
Subtopic:  Mitochondria | Endomembrane System | Golgi Apparatus | Lysosomes | Nucleus |
 95%
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Cell theory was formulated by___________:
1. Antonie Von Leeuwenhoek
2. Schleiden and Schwann
3. Robert Brown
4. Singer and Nicolson
Subtopic:  Cell Theory |
 93%
Level 1: 80%+
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The plastid that stores xanthophyll is known as ______
1. amyloplast 2. chloroplast
3. chromoplast 4. aleuroplast
Subtopic:  Plastids |
 81%
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Smooth endoplasmic reticulum _____________
1. is a site for the synthesis of carbohydrates
2. has ribosomes attached to its surface
3. is the major site for the synthesis of lipids
4. is actively involved in protein synthesis
Subtopic:  Endomembrane System (Endoplasmic Reticulum) |
 94%
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Which of the following are characteristics of prokaryotic cells ?
(a) Ribosomes are made of 50S and 30S subunits
(b) They can have plasmids
(c) They contain mesosome
(d) They have peroxisomes
Choose the correct answer from the options given below :
1. (a), (b) and (c) only
2. (b) and (c) only
3. (a) and (c) only
4. (a), (c) and (d) only
Subtopic:  Details of Prokaryotic Cell Structure | Endomembrane System |
 80%
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Match List-I with List-II
 
List-I List-II
A. Cristae I. Flat membrane sacs in stroma of chloroplast
B. Cisternae II. Infoldings in mitochondria
C. Thylakoids III. Cell membrane
D. Phospholipid IV. Disc shaped sacs in the Golgi apparatus

Choose the correct answer from the options given below :
1. A-IV, B-III, C-I, D-II
2. A-III, B-IV, C-I, D-II
3. A-II, B-IV, C-III, D-I
4. A-II, B-I, C-III, D-IV
Subtopic:  Cell Membrane | Plastids | Mitochondria |
 95%
Level 1: 80%+
NEET - 2026
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