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Q. No.Identify the components labelled A, B, C and D in the diagram below from the list (i) to (viii) given along with components:
(i) Cristae of mitochondria
(ii) Inner membrane of mitochondria
(iii) Cytoplasm
(iv) Smooth endoplasmic reticulum
(v) Rough endoplasmic reticulum
(vi) Mitochondrial matrix
(vii) Cell vacuole
(viii) Nucleus
The correct components are:
A
B
C
D
1.
(i)
(iv)
(viii)
(vi)
2.
(vi)
(v)
(iv)
(vii)
3.
(v)
(i)
(iii)
(ii)
4.
(v)
(iv)
(viii)
(iii)
(ii) Inner membrane of mitochondria
(iii) Cytoplasm
(iv) Smooth endoplasmic reticulum
(v) Rough endoplasmic reticulum
(vi) Mitochondrial matrix
(vii) Cell vacuole
(viii) Nucleus
The correct components are:
87%
From NCERT
An elaborate network of filamentous proteinaceous structures present in the cytoplasm which helps in the maintenance of cell shape is called -
| 1. | Endosplasmic Reticulum | 2. | Plasmalemma |
| 3. | Cytoskeleton | 4. | Thylakoid |
92%
From NCERT
The chromosomes in which centromere is situated close to one end are
| 1. | metacentric | 2. | acrocentric |
| 3. | telocentric | 4. | sub-metacentric |
85%
From NCERT
Which of the following organelles in a eukaryotic cell have circular DNA, 70 S ribosomes and make some of their own proteins?
1. Golgi apparatus and Vacuole
2. Endoplasmic reticulum and Golgi apparatus
3. Plastids and mitochondria
4. Nucleolus and ribosomes
1. Golgi apparatus and Vacuole
2. Endoplasmic reticulum and Golgi apparatus
3. Plastids and mitochondria
4. Nucleolus and ribosomes
Subtopic: Plastids | Mitochondria |
84%
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: Cell Membrane |
72%
From NCERT
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Identify the incorrectly matched pair:
| 1. | Golgi apparatus | Formation of glycoproteins and glycolipids |
| 2. | Rough ER | Synthesis of steroidal hormones in animal cells |
| 3. | Lysosomes | Carry acid hydrolases |
| 4. | Nucelolus | Site for active rRNA synthesis |
Subtopic: Endomembrane System (Endoplasmic Reticulum) |
91%
From NCERT
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Both prokaryotic and eukaryotic cells share all the given features except:
| 1. | presence of ribosomes |
| 2. | arising from pre-existing cells |
| 3. | compartmentalization through membrane bound organelles |
| 4. | presence of a cell membrane |
Subtopic: Prokaryotic Cell Organisation | Eukaryotic Cell Orgenelle |
86%
From NCERT
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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: Plastids |
88%
From NCERT
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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: Introduction to Botany | Introduction to Cell |
84%
From NCERT
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All the following will be correct regarding mesosome in a bacterial cell except:
1. They are differentiated form of cell membrane
2. They are essentially infoldings of cell membrane
3. They can be in the form of vesicles, tubules and lamellae
4. They contain photosynthetic pigments
1. They are differentiated form of cell membrane
2. They are essentially infoldings of cell membrane
3. They can be in the form of vesicles, tubules and lamellae
4. They contain photosynthetic pigments
Subtopic: Prokaryotic Cell Organisation |
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