In 1665, Robert Hooke watched cork under his microscope and sketched his findings as given in the figure. This was the discovery of cell, a very important landmark in the development of cell theory contributed by various scientists. Identify the correctly matched contributions of scientists in the formulation of the cell theory:
 
A Anton Von Leeuwenhoek The first man to witness a live cell under a microscope
B Schleiden and Schwann Proposed cell theory
C Rudolph Virchow Proposed spontaneous generation of life
 
1. Only A and B 2. Only A and C
3. Only B and C 4. A, B and C

Subtopic:  Introduction to Cell |
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The diagram shows comparison of size of eukaryotic cell with other organisms. What would be the correct size for I, II, III and IV?
 
I 10-20 µm
II 0.2-2.0 µm
III About 10 µm
IV 1-2 µm
 
1. Only I and III 2. Only I and IIV
3. Only II and III 4. Only I, II and IV
Subtopic:  Eukaryotic Cell Orgenelle |
 50%
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In the given diagram of a prokaryotic cell, identify the correct names for the structure labelled in red:
    
A Fimbriae
B Cell wall
C Mesosome
D Plastid
 
1. Only A and B 2. Only B and D
3. Only B and C 4. Only A and D
Subtopic:  Prokaryotic Cell Organisation |
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Identify the correct statement regarding the given diagram:

I: It shows a polysome.
II: All ribosomes will be translating the same protein.
1. Only I 2. Only II
3. Both I and II 4. Neither I nor II
Subtopic:  Ribosome and Inclusion Bodies |
 52%

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The diagram shows a typical animal cell. The functions of some of its parts are labelled in the diagram. What be true for these parts?
  
I: A is the flagellum which is made of protein flagellin and is made of a filament, a hook, and basal body.
II: B is lysosome which is a double membrane-bound organelle.
III: C is the centrosome and it has two centrioles oriented perpendicular to each other.
IV: D is peroxisome and has catalase present in it.
1. Only I and II 2. Only I and III
3. Only II and III 4. Only III and IV
Subtopic:  Eukaryotic Cell Orgenelle |
 53%

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Study the statements given regarding the diagram showing the structure of a typical cell membrane.

I: A is a major component of animal plasma membranes and it regulates the fluidity of the overall membrane.
II: B are integral proteins and C is an extrinsic protein.
III: D is the hydrophobic head of the phospholipid and E is its hydrophilic tail.
IV: F is a carbohydrate found only on the outer surface of the membrane.
1. Only I, II, and III 2. Only I, II, and IV
3. Only II, III, and IV 4. I, II, III and IV
Subtopic:  Cell Membrane |
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Study the given diagram and select the correct statements regarding the parts labels I, II and III.
 
A: I are ribosomes and found only in eukaryotic cells.
B: II is Rough Endoplasmic Reticulum frequently observed in cells actively involved in protein synthesis and secretion.
C: III is Smooth Endoplasmic Reticulum which is a major site for synthesis of lipids.

1. Only A and B 2. Only A and C
3. Only B and C 4. A, B and C
Subtopic:  Endomembrane System |
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The diagram shows the structure of a Golgi apparatus where A and B are its two surfaces.

I: A is the cis face and B is the trans face.
II: The two faces are entirely different but inter-connected.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic:  Golgi Apparatus |
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Identify the correct match for the structures shown in the diagram of a mitochondrion:
A  Inner membrane  Site of location of electron transport chain 
B  Outer membrane  Forms the continuous limiting boundary of the organelle 
C  Cristae Increase the surface area 
D  Matrix Site for Kreb’s cycle
1. Only A, B, and C
2. Only A, B, and D
3. Only B, C, and D
4. A, B, C, and D
Subtopic:  Mitochondria |
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What would be true for the structures shown in the given diagram of chloroplast?

I: A is the site of the location of the enzymes for the biosynthetic phase of photosynthesis in higher plants.
II: B is the site for the location of the photosynthetic pigments organized into photosystems.
III: C lacks PS II as well as NADP reductase enzyme.
1. Only I and II 2. Only III
3. Only II 4. I, II, and III
Subtopic:  Plastids |
 63%

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