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Q. No.Which of the following statement(s) is/are not correct regarding lysosomes?
A:
The hydrolytic enzymes of lysosomes are active under alkaline pH
B:
Lysosomes are membrane bound structures
C:
Lysosomes are formed by the process of packaging in the endoplasmic reticulum
D:
Lysosomes have numerous hydrolytic enzymes
Choose the correct answer from the options given below:
1. A only
2. B, D only
3. A, D only
4. A, C only
Subtopic: Lysosomes |
67%
Level 2: 60%+
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Which type of substances would face difficulty in passing through the cell membrane?
| 1. | Substances with hydrophobic moiety |
| 2. | Substances with hydrophilic moiety |
| 3. | All substances, irrespective of hydrophobic and hydrophilic moiety |
| 4. | Substances which are soluble in lipids |
Subtopic: Cell Membrane |
54%
Level 3: 35%-60%
NEET - 2022
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If the pH in lysosomes is increased to alkaline, what will be the outcome?
| 1. | Hydrolytic enzymes will function more efficiently |
| 2. | Hydrolytic enzymes will become inactive |
| 3. | Lysosomal enzymes will be released into the cytoplasm |
| 4. | Lysosomal enzymes will be more active |
Subtopic: Lysosomes |
81%
Level 1: 80%+
NEET - 2022
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Read the following statements and choose the option which is true for them.
Statement-I: Telocentric chromosomes have no centromere.
Statement-II: The satellite chromosomes have secondary constriction.
1. Only statement-I is correct
2. Only statement-II is correct
3. Both statements are correct
4. Both statements are incorrect
Statement-I: Telocentric chromosomes have no centromere.
Statement-II: The satellite chromosomes have secondary constriction.
1. Only statement-I is correct
2. Only statement-II is correct
3. Both statements are correct
4. Both statements are incorrect
Subtopic: Nucleus |
79%
Level 2: 60%+
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Identify the correct statements:
1. I and II only
2. Only I, II and III
3. Only III and IV
4. I, II, III and IV
| 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 |
51%
Level 3: 35%-60%
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Match List I with List II
Choose the correct answer from the options given below
1. A-(IV), B-(III), C-(I), D-(II)
2. A-(IV), B-(I), C-(III), D-(II)
3. A-(II), B-(I), C-(III), D-(IV)
4. A-(I), B-(II), C-(III), D-(IV)
| List I | List II |
| A. Lysosome | I. Cisternae |
| B. Peroxisome | II. rRNA |
| C. Golgi apparatus | III. H2O2 |
| D. Nucleolus | IV. Suicide bag |
Choose the correct answer from the options given below
1. A-(IV), B-(III), C-(I), D-(II)
2. A-(IV), B-(I), C-(III), D-(II)
3. A-(II), B-(I), C-(III), D-(IV)
4. A-(I), B-(II), C-(III), D-(IV)
Subtopic: Golgi Apparatus | Ribosome and Inclusion Bodies |
91%
Level 1: 80%+
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Prokaryotic flagella are made up of protein filaments composed of
1. Flagellin
2. Tubulin
3. Actin
4. Myosin
1. Flagellin
2. Tubulin
3. Actin
4. Myosin
Subtopic: Cilia & Flagella |
72%
Level 2: 60%+
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In contrast to eukaryotes, prokaryotes lack
1. Aerobic respiration
2. DNA
3. Ribosome
4. Mitochondria
1. Aerobic respiration
2. DNA
3. Ribosome
4. Mitochondria
Subtopic: Prokaryotic Cell Organisation |
73%
Level 2: 60%+
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Match List-I with List-II:
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A. | Schleiden and Schwann | I. | Chromatin |
| B. | Rudolf Virchow | II. | Nucleus |
| C. | Flemming | III. | Cell theory |
| D. | Robert Brown | IV. | Omnis cellula-e-cellula |
| 1. | A - III, B - IV, C - I, D - II |
| 2. | A - III, B - I, C - IV, D - II |
| 3. | A - III, B - IV, C - II, D - I |
| 4. | A - II, B - III, C - IV, D - I |
Subtopic: Introduction to Cell | Cell Theory | Nucleus |
89%
Level 1: 80%+
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