Identify the correct statements:
I:
Robert Hooke first used the word cell to name the microscopic honeycomb cavities in cork.
II:
Anton Von Leeuwenhoek first saw and described a living cell.
III:
Robert Brown discovered the nucleus.
IV:
George Palade first observed centrosomes in animal cells.
1. I and II only
2. Only I, II and III
3. Only III and IV
4. I, II, III and IV
Subtopic: Introduction to Cell |
80%
Level 1: 80%+
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The type of mictotubule arrangement shown in the given diagram can be present in:
I. Centriole
II. Cilia/flagella
III. Basal body
1. Only II
2. Only I
3. Both I and II
4. Both I and III
I. Centriole
II. Cilia/flagella
III. Basal body
1. Only II
2. Only I
3. Both I and II
4. Both I and III
Subtopic: Cytoskeleton | Centrosomes | Cilia & Flagella |
Level 3: 35%-60%
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Consider the following statements:
The number of correct statements is:
1. 0
2. 1
3. 2
4. 3
| I: | Secondary constrictions are found at variable locations in few chromosomes. |
| II: | Acrocentric chromosome has a terminal centromere. |
| III: | Chromosomes are visible only in dividing cells. |
| IV: | All chromosomes have a shorter ‘p’ arm and a longer ‘q’ arm. |
| V: | Human cell has about two meters of DNA located on each of the twenty three homologous pairs of chromosomes. |
| VI: | Kinetochore is made up of spindle and is present around the secondary constriction. |
| VII: | Secondary constrictions are most easily stained portions of a chromosome. |
1. 0
2. 1
3. 2
4. 3
Subtopic: Nucleus: Chromosomes |
Level 4: Below 35%
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Match each item in Column I with one in Column II and select the correct match from the codes given:
Codes:
| Column I | Column II | ||
| A | Chloroplasts | P | Oxidative Phosphorylation |
| B | Mitochondria | Q | Photophosphorylation |
| C | Golgi Apparatus | R | Synthesis of glycoproteins and glycolipids |
| D | Ribosomes | S | Peptide synthesis |
Codes:
| A | B | C | D | |
| 1. | P | Q | R | S |
| 2. | Q | P | R | S |
| 3. | Q | P | S | R |
| 4. | P | Q | S | R |
Subtopic: Plastids | Mitochondria | Golgi Apparatus | Ribosome and Inclusion Bodies |
81%
Level 1: 80%+
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What will be true for endoplasmic reticulum?
1. Only II
2. Only I
3. Both I and III
4. None
| I: | They are not included in the endomembrane system. |
| II: | Rough ER is the major site for synthesis of lipids. |
| III: | They are not bound by a membrane |
2. Only I
3. Both I and III
4. None
Subtopic: Intro to Endomembrane System: Endoplasmic Reticulum |
75%
Level 2: 60%+
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In a plasma membrane of a typical animal cell:
| I. | The major lipids are phospholipids |
| II. | Peripheral proteins are only partially buried in the membrane |
| III. | Lateral movement of lipids in protein bilayer is measured as its fluidity |
| 1. | Only I is correct |
| 2. | Only III is correct |
| 3. | Only II and III are correct |
| 4. | Only I and III are correct |
Subtopic: Cell Membrane |
Level 3: 35%-60%
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Most prokaryotic cells, particularly the bacterial cells, have a chemically complex cell envelope, where:
| 1. | the outermost layer is the cell wall |
| 2. | all three layers act together as a single protective unit |
| 3. | the cell membrane staining properties make some bacteria Gram positive |
| 4. | carbohydrate is the biomolecule absent in all three layers |
Subtopic: Prokaryotic Cell Organisation | Details of Prokaryotic Cell Structure |
78%
Level 2: 60%+
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Which layer of the plant cell wall will be outer-most [away from membrane]?
1. Glycocalyx
2. Middle lamella
3. Primary cell wall
4. Secondary cell wall
1. Glycocalyx
2. Middle lamella
3. Primary cell wall
4. Secondary cell wall
Subtopic: Cell Wall |
Level 4: Below 35%
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Select the alternative giving correct identification and function of the organelle 'A' in the diagram:
| 1. | Mitochondria - produce cellular energy in the form of ATP |
| 2. | Golgi body - provides packaging material |
| 3. | Lysosomes - secrete hydrolytic enzymes |
| 4. | Endoplasmic reticulum - synthesis of lipids |
Subtopic: Eukaryotic Cell Architecture: Types | Eukaryotic Cell Orgenelle |
94%
Level 1: 80%+
NEET - 2013
Hints
The term 'glycocalyx' is used for:
| 1. | a layer present between cell wall and membrane of bacteria |
| 2. | cell wall of bacteria |
| 3. | bacterial cell glyco-engineered to possess N-glycosylated proteins |
| 4. | a layer surrounding the cell wall of bacteria |
Subtopic: Prokaryotic Cell Organisation | Details of Prokaryotic Cell Structure |
76%
Level 2: 60%+
NEET - 2013
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