Identify the incorrectly matched pair:
1.
Linus Pauling
Discovered the triple helix structure of collagen
2.
Rudolf Virchow
Omnis cellula-e-cellula
3.
Singer and Nicholson
Fluid mosaic model
4.
Georges Palade
First observed ribosome
Subtopic: Â Introduction to Botany |Â Introduction to Cell |
 84%
From NCERT
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Single-membrane compartment found in plant cells and mainly functioning in the conversion of fat into sugars are:
1. Peroxisomes
2. Glyoxysomes
3. Lysosomes
4. Ribosomes
1. Peroxisomes
2. Glyoxysomes
3. Lysosomes
4. Ribosomes
Subtopic: Â Eukaryotic Cell Orgenelle |
 70%
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Identify the incorrectly matched pair:
| 1. | Lysosomes | Acid hydrolases |
| 2. | Tonoplast | Membrane of vacuole |
| 3. | Amyloplasts | Store oils and fats |
| 4. | Golgi apparatus | Synthesis of glycoproteins and glycolipids |
Subtopic: Â Plastids |
 89%
From NCERT
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Which part of the endomembranous system of a eukaryotic cell is rich in acid hydrolases?
1. Peroxisome
2. Lysosome
3. Vacuole
4. Golgi apparatus
1. Peroxisome
2. Lysosome
3. Vacuole
4. Golgi apparatus
Subtopic: Â Lysosomes |
 94%
From NCERT
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In a plant cell:
| 1. | there are multiple vacuoles, each small in size |
| 2. | centrioles play prominent role in organization of microtubules |
| 3. | cytokinesis occurs through cleavage furrow |
| 4. | Secondary cell wall is formed on the inner [towards membrane] side of the cell |
Subtopic: Â Cell Wall |
 75%
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Cells in the human body that secrete products like lipids and steroids are likely to have an abundance of:
1. Smooth endoplasmic reticulum
2. Rough endoplasmic reticulum
3. Lysosomes
4. Mitochondria
1. Smooth endoplasmic reticulum
2. Rough endoplasmic reticulum
3. Lysosomes
4. Mitochondria
Subtopic: Â Intro to Endomembrane System: Endoplasmic Reticulum |Â Endomembrane System (Endoplasmic Reticulum) |
 92%
From NCERT
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What type of chromosomes will not have a short and a long arm?
1. Acrocentric
2. Metacentric
3. Sub-metacentric
4. Both 1 and 2
1. Acrocentric
2. Metacentric
3. Sub-metacentric
4. Both 1 and 2
Subtopic: Â Nucleus: Chromosomes |
 75%
From NCERT
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Fimbriae in bacterial cells:
| 1. | play an important role in motility |
| 2. | attach the cell to the rocks in a stream and also to the host tissues |
| 3. | provide surface area for the location of enzymes |
| 4. | form a tube like structure for passage of DNA during bacterial conjugation |
Subtopic: Â Prokaryotic Cell Organisation |Â Details of Prokaryotic Cell Structure |
 86%
From NCERT
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Like mitochondria, the chloroplasts:
1. are found only in plant cells
2. do not have 70 S ribosomes
3. are also double membrane bound
4. are unable to carry out phosphorylation of ADP
1. are found only in plant cells
2. do not have 70 S ribosomes
3. are also double membrane bound
4. are unable to carry out phosphorylation of ADP
Subtopic: Â Plastids |
 87%
From NCERT
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Regarding cell membrane:
| I: | The lipid content mainly is phosphoglycerides |
| II: | Proteins can move laterally within the overall bilayer |
| III: | The membrane is selectively permeable |
| 1. | Only I and II are correct |
| 2. | Only I and III are correct |
| 3. | Only II and III are correct |
| 4. | I, II and III are correct |
Subtopic: Â Cell Membrane |
 72%
From NCERT
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