Cell - the unit of life MCQ Solved Paper for NEET PG
Thursday 9th of March 2023
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1. Which of these is wrongly matched?
A. Chloroplasts Chlorophyll
B. Elaioplasts Starch
C. Chromoplasts Carotenoids
D. Amyloplasts Carbohydrates
Answer : B
A. Chloroplasts Chlorophyll
B. Elaioplasts Starch
C. Chromoplasts Carotenoids
D. Amyloplasts Carbohydrates
Answer : B
2. Most of water, in mature plant cells occurs in
A. nucleus
B. cell wall
C. vacuoles
D. cytoplasm
Answer : C
A. nucleus
B. cell wall
C. vacuoles
D. cytoplasm
Answer : C
3. The given diagram shows the sectional view of a mitochondrion.
Identify the parts labelled as A, B, C, D & E
A. A - Outer membrane, B - Inner membrane, C - Matrix, D - Inter- membrane space, E - Crista
B. A - Outer membrane, B - Inner membrane, C - Intermembrane space, D - Matrix, E - Crista
C. A - Outer membrane, B - Inner membrane, C - Matrix, D - Crista, E - Inter - membrane space
D. A - Outer membrane, B - Inner membrane, C- Crista, D - Matrix, E - Inter-membrane space
Answer : A
Identify the parts labelled as A, B, C, D & E
A. A - Outer membrane, B - Inner membrane, C - Matrix, D - Inter- membrane space, E - Crista
B. A - Outer membrane, B - Inner membrane, C - Intermembrane space, D - Matrix, E - Crista
C. A - Outer membrane, B - Inner membrane, C - Matrix, D - Crista, E - Inter - membrane space
D. A - Outer membrane, B - Inner membrane, C- Crista, D - Matrix, E - Inter-membrane space
Answer : A
4. Golgi apparatus is concerned with
A. excretion
B. secretion
C. ATP synthesis
D. RNA synthesis
Answer : A
A. excretion
B. secretion
C. ATP synthesis
D. RNA synthesis
Answer : A
5. Which of the following pair are correctly matched ?
(I) Amyloplasts Store proteins
(II) Mitochondrion Power house of the cell
(III) Stroma Chlorophyll pigment
(IV) Axoneme 9 + 2 array
A. (I) and (III) only
B. (II), (III) and (IV) only
C. (III) and (IV) only
D. (II) and (IV) only
Answer : D
(I) Amyloplasts Store proteins
(II) Mitochondrion Power house of the cell
(III) Stroma Chlorophyll pigment
(IV) Axoneme 9 + 2 array
A. (I) and (III) only
B. (II), (III) and (IV) only
C. (III) and (IV) only
D. (II) and (IV) only
Answer : D
6. Match column-I and column-II and select the correct answer
A. A III; B IV; C II; D I
B. A II; B IV; C III; D I
C. A I; B II; C III; D IV
D. A IV; B III; C I ; D II
Answer : B
| Column-I | Column-II |
|---|---|
| A. Bacteria without walls | I. Lysosome |
| B. Small circular DNA | II. Mycoplasma cells |
| C. Flattened sacs in | III. Thylakoid a chloroplast |
| D. A vesicle in which | IV. Plasmid hydrolytic enzymes are stored |
A. A III; B IV; C II; D I
B. A II; B IV; C III; D I
C. A I; B II; C III; D IV
D. A IV; B III; C I ; D II
Answer : B
7. Which one of the following combination is mismatched?
A. Glycocalyx May be capsule or slime layer
B. Pili Reproduction
C. Cell wall Protective, determines shape, prevents from bursting
D. Flagella, pili and fimbriae Surface structures of bacterial cell
Answer : B
A. Glycocalyx May be capsule or slime layer
B. Pili Reproduction
C. Cell wall Protective, determines shape, prevents from bursting
D. Flagella, pili and fimbriae Surface structures of bacterial cell
Answer : B
8. Which of the following terms is not correctly matched with its feature?
A. Osmosis Movement of water by diffusion.
B. Nucleoplasm Site of active synthesis of ribosomal RNA.
C. Mesosome Infolding of cell membrane and characteristics of eukaryotes.
D. Pili Elongated tubular surface structures (made of special protein) of bacteria.
Answer : C
A. Osmosis Movement of water by diffusion.
B. Nucleoplasm Site of active synthesis of ribosomal RNA.
C. Mesosome Infolding of cell membrane and characteristics of eukaryotes.
D. Pili Elongated tubular surface structures (made of special protein) of bacteria.
Answer : C
9. The best way to identify a cell as either prokaryotic or eukaryotic is to determine whether
A. it came from a single-celled or multicellular organism.
B. it has a nucleus.
C. it has a plasma membrane.
D. it has cytosol.
Answer : A
A. it came from a single-celled or multicellular organism.
B. it has a nucleus.
C. it has a plasma membrane.
D. it has cytosol.
Answer : A
10. The fluidity of membranes in a plant in cold weather may be maintained by
A. increasing the number of phospholipids with unsaturated hydrocarbon tails.
B. increasing the proportion of integral proteins.
C. increasing concentration of cholesterol in membrane.
D. increasing the number of phospholipids with saturated hydrocarbon tail.
Answer : A
A. increasing the number of phospholipids with unsaturated hydrocarbon tails.
B. increasing the proportion of integral proteins.
C. increasing concentration of cholesterol in membrane.
D. increasing the number of phospholipids with saturated hydrocarbon tail.
Answer : A
11. 
Which cellular structure helps in transferring genetic information from one generation to another?
A. W
B. X
C. Y
D. Z
Answer : C
Which cellular structure helps in transferring genetic information from one generation to another?
A. W
B. X
C. Y
D. Z
Answer : C
12. Satellite means
A. terminal part of the chromosome beyond secondary constriction.
B. terminal part of the chromosome beyond primary constriction.
C. terminal part of chromosome beyond tertiary constriction.
D. none of the above
Answer : A
A. terminal part of the chromosome beyond secondary constriction.
B. terminal part of the chromosome beyond primary constriction.
C. terminal part of chromosome beyond tertiary constriction.
D. none of the above
Answer : A
13. Consider the following statements and choose the correct statement.
A. (i) and (iii)
B. (ii) and (iv)
C. (iii) and (iv)
D. (ii) and (iii)
Answer : D
- The endomembrane system includes mitochondria, chloroplast and peroxisomes.
- Smooth endoplasmic reticulum is the major site for synthesis of lipid.
- Rough endoplasmic reticulum is actively involved in protein synthesis.
- Mitochondrial matrix possesses single circular DNA, a few RNA and 80S ribosomes. Of the above statements.
A. (i) and (iii)
B. (ii) and (iv)
C. (iii) and (iv)
D. (ii) and (iii)
Answer : D
14. Basal bodies are associated with the formation of
A. phragmoplast
B. cilia and flagella
C. cell plate
D. kinetochore
Answer : B
A. phragmoplast
B. cilia and flagella
C. cell plate
D. kinetochore
Answer : B
15. Read the folowing statements and identify the correct option.
A. (i) and (ii)
B. (ii) and (iv)
C. (i), (ii) and (iv)
D. None of the above
Answer : C
- Contractile vacuole takes part in osmoregulation and excretion.
- Food vacuole is formed by engulfing the food particles.
- The vacuole is bound by a double membrane called tonoplast.
- Vacuole can occupy upto 90 percent of the volume of the cell.
A. (i) and (ii)
B. (ii) and (iv)
C. (i), (ii) and (iv)
D. None of the above
Answer : C
16. Which of the following will determines the shape of the cells and provides a strong structural support to prevent the bacterium from bursting or collapsing?
A. Plasmids
B. Cell wall
C. Mesosome
D. Cell membrane
Answer : B
A. Plasmids
B. Cell wall
C. Mesosome
D. Cell membrane
Answer : B
17. In the given figure of animal cell, one orginelle is marked as A. Select the correct dentification and function of the organelle A from the given option.
A. Endoplasmic reticulum Synthesis of lipids.
B. Mitochondria Produce cellular energy in the form of ATP.
C. Golgi body Provides packaging material.
D. Lysosomes Secrete hydrolytic enzymes.
Answer : B
A. Endoplasmic reticulum Synthesis of lipids.
B. Mitochondria Produce cellular energy in the form of ATP.
C. Golgi body Provides packaging material.
D. Lysosomes Secrete hydrolytic enzymes.
Answer : B
18. Which of the following statements are correct?
A. Na+/K+ pump is an example of active transport.
B. In plant cells lipid like steroidal hormones are synthesized in SER.
C. In plant cells, the vacuoles can occupy up to 10% of the volume of the cell.
D. Chlorophyll and leucoplast are responsible for trapping light energy essential for photosynthesis.
Answer : A
A. Na+/K+ pump is an example of active transport.
B. In plant cells lipid like steroidal hormones are synthesized in SER.
C. In plant cells, the vacuoles can occupy up to 10% of the volume of the cell.
D. Chlorophyll and leucoplast are responsible for trapping light energy essential for photosynthesis.
Answer : A
19. Read the statements given below with regard to the functions performed by Golgi apparatus ?
Which of the following is the correct answer ?
A. (i) is wrong but (ii) and (iii) are correct
B. (ii) is wrong but (i) and (iii) are correct
C. (ii) and (iii) are wrong but (i) is correct
D. All are correct.
Answer : D
- Transport and chemically modify the materials contained within it.
- Performs the function of packaging materials.
- Important site of formation of glycoproteins and glycolipids.
Which of the following is the correct answer ?
A. (i) is wrong but (ii) and (iii) are correct
B. (ii) is wrong but (i) and (iii) are correct
C. (ii) and (iii) are wrong but (i) is correct
D. All are correct.
Answer : D
20. 9.A student was given cell samples (A and B) to identify parts which are highlighted. He observed the samples under the microscope and list down the function of the part of cell sample. The information collected by the student is listed in the table below, on the basis of which the student infers that the samples contain the organelles.
Explain why the samples were belonged to eukaryotic cell and not prokaryotic cell? Because,
A. eukaryotic cell have membrane bound organelles.
B. eukaryotic cell have non - membrane bound organelles.
C. eukaryotic cell are smaller and multiply more rapidly than prokaryotic cells.
D. eukaryotic cell are larger and multiply more rapidly than prokaryotic cells.
Answer : B
| Sample A | Sample B |
|---|---|
| Make energy available for cellular metabolism | Generates ATP and synthes izes s ugar |
| Absent in cell that carry oxygen throughout the body | Present in plant cell |
| Called the energy currency of cell | Source o f all the food energy |
Explain why the samples were belonged to eukaryotic cell and not prokaryotic cell? Because,
A. eukaryotic cell have membrane bound organelles.
B. eukaryotic cell have non - membrane bound organelles.
C. eukaryotic cell are smaller and multiply more rapidly than prokaryotic cells.
D. eukaryotic cell are larger and multiply more rapidly than prokaryotic cells.
Answer : B
21. Match column I (cell type) with column II (size) and choose the correct option.
A. A I, B II, C III, D IV
B. A IV, B III, C II, D I
C. A I, B III, C II, D IV
D. A IV, B II, C III, D I
Answer : B
| Column-I | Column-II |
|---|---|
| (Cell type) | (Size) |
| A. Viruses | I. 1-2 ??m |
| B. PPLO | II. 10-20 ??m |
| C. Eukaryotic cell | III. About 0.1 ??m |
| D. Bacterium | IV. 0.02 - 0.2 ??m |
A. A I, B II, C III, D IV
B. A IV, B III, C II, D I
C. A I, B III, C II, D IV
D. A IV, B II, C III, D I
Answer : B
22. Match column-I with column-II and select the correct option.
A. A III, B II, C IV, D I
B. A II, B III, C IV, D I
C. A I, B III, C II, D IV
D. A IV, B II, C III, D I
Answer : A
| Column - I | Column - II |
|---|---|
| A. RER | I. Intracellular and extracellular digestion |
| B. Cell wall | II. Provide structural support to the cell |
| C. Flagella | III. Protein synthesis and secretion |
| D. Lysosomes | IV Responsible for cell movement |
A. A III, B II, C IV, D I
B. A II, B III, C IV, D I
C. A I, B III, C II, D IV
D. A IV, B II, C III, D I
Answer : A
23. Which of the following statements are incorrect ?
A. (i) and (iii)
B. (iii) and (iv)
C. (ii) and (iv)
D. (i) and (iv)
Answer : A
- Plant cells have centrioles which are absent in almost all animal cells.
- Ribosomes are the site of protein synthesis.
- The middle lamella is a layer mainly of calcium carbonate which holds the different neighbouring cells together.
- In animal cell, steroidal hormones are synthesized by smooth endoplasmic reticulum. Of the above statements
A. (i) and (iii)
B. (iii) and (iv)
C. (ii) and (iv)
D. (i) and (iv)
Answer : A
24. Match column-I with column-II and choose the correct option.
A. A IV; B III; C I; D II
B. A II; B III; C IV; D I
C. A IV; B II; C III; D I
D. A I; B III; C II; D IV
Answer : A
| Column-I | Column-II |
|---|---|
| A. Tonoplast | I. Contain digestive enzyme |
| B. Contractile vacuole | II. Store metabolic gases |
| C. Food vacuole | III. Excretion |
| D. Air vacuole | IV. Transport of ions in plants |
A. A IV; B III; C I; D II
B. A II; B III; C IV; D I
C. A IV; B II; C III; D I
D. A I; B III; C II; D IV
Answer : A
25. _______________ is the important site of formation of glycoproteins and golycolipids.
A. SER
B. Lysosome
C. Golgi apparatus
D. Mitochondria
Answer : C
A. SER
B. Lysosome
C. Golgi apparatus
D. Mitochondria
Answer : C
26. Protein synthesis in an animal cell occurs
A. on ribosomes present in cytoplasm as well as in mitochondria.
B. on ribosomes present in the nucleolus as well as in cytoplasm.
C. only on ribosomes attached to the nuclears envelope and endoplasmic reticulum.
D. only on the ribosomes present in cytosol.
Answer : A
A. on ribosomes present in cytoplasm as well as in mitochondria.
B. on ribosomes present in the nucleolus as well as in cytoplasm.
C. only on ribosomes attached to the nuclears envelope and endoplasmic reticulum.
D. only on the ribosomes present in cytosol.
Answer : A
27. Axoneme with 9 + 2 microtubular arrangement occurs in
A. cilia
B. flagella
C. both (a) and (b)
D. centriole
Answer : C
A. cilia
B. flagella
C. both (a) and (b)
D. centriole
Answer : C
28. Cell sap is a
A. living content of cytoplasm.
B. nonliving content of cytoplasm.
C. nonliving content of vacuole.
D. living content of vacuole.
Answer : C
A. living content of cytoplasm.
B. nonliving content of cytoplasm.
C. nonliving content of vacuole.
D. living content of vacuole.
Answer : C
29. The figure below shows the structure of a mitochondrion with its four parts labelled (A), (B), (C) and (D).
Select the part correctly matched with its function.
A. Part (D): Outer membrane Gives rise to inner membrane by splitting.
B. Part (B): Inner membrane Forms infoldings called cristae.
C. Part (C): Cristae ossess single circular DNA molecule and ribosomes.
D. Part (A): Matrix Major site for respiratory chain enzymes.
Answer : B
Select the part correctly matched with its function.
A. Part (D): Outer membrane Gives rise to inner membrane by splitting.
B. Part (B): Inner membrane Forms infoldings called cristae.
C. Part (C): Cristae ossess single circular DNA molecule and ribosomes.
D. Part (A): Matrix Major site for respiratory chain enzymes.
Answer : B
30. According to widely accepted fluid mosaic model cell membranes are semi-fluid, where lipids and integral proteins can diffuse randomly. In recent years, this model has been modified in several respects. In this regard, which of the following statements is incorrect?
A. Proteins in cell membranes can travel within the lipid bilayer.
B. Proteins can also undergo flip-flop movements in the lipid bilayer.
C. Proteins can remain confined within certain domains of the membrane.
D. Many proteins remain completely embedded within the lipid bilayer.
Answer : B
A. Proteins in cell membranes can travel within the lipid bilayer.
B. Proteins can also undergo flip-flop movements in the lipid bilayer.
C. Proteins can remain confined within certain domains of the membrane.
D. Many proteins remain completely embedded within the lipid bilayer.
Answer : B
31. Choose the wrong statements regarding bacterial cell
A. (i) and (iii)
B. (i) and (ii)
C. (ii) and (iii)
D. (i) and (iv)
Answer : C
- Glycocalyx is the outermost envelope in bacteria.
- The glycocalyx could be a loose sheath called capsule.
- The glycocalyx may be thick and tough called slime layer.
- A special structure formed by the plasma membrane is called mesosome.
- Small bristle like fibres sprouting out of the cell are called fimbriae.
A. (i) and (iii)
B. (i) and (ii)
C. (ii) and (iii)
D. (i) and (iv)
Answer : C
32. Match the items given in column-I with their role given in column-II and choose the correct option.
A. A V; B III; C I; D IV; E II
B. A V; B III: C II; D IV; E I
C. A II; B III; C I; D IV; E V
D. A III; B IV; C I; D V; E II
Answer : A
| Column-I | Column-II |
|---|---|
| A. SER | I. Increase the surface area |
| B. Golgi apparatus | II. Store oils or fats |
| C. Cristae | III. Excretion |
| D. Peroxisome | IV. Photorespiration |
| E. Elaioplasts | V. Synthesis of lipid |
A. A V; B III; C I; D IV; E II
B. A V; B III: C II; D IV; E I
C. A II; B III; C I; D IV; E V
D. A III; B IV; C I; D V; E II
Answer : A
33. Which of the following statements is/are correct ?
A. (i), (ii), (iii) and (iv)
B. Only (i) and (ii)
C. Only (iv)
D. None of the above
Answer : A
- The shape of the cells may vary with the function they perform.
- Human RBC is about 7.0 ??m in diameter.
- Cytoplasm is the main area of cellular activities.
- Various chemical reactions occur in cytoplasm to keep the cell in the living state.
A. (i), (ii), (iii) and (iv)
B. Only (i) and (ii)
C. Only (iv)
D. None of the above
Answer : A
34. Which of the following is incorrect ?
A. Mycoplasma is the smallest cell (0.3 �).
B. Bacteria are 3 to 5 �m in size.
C. The largest cell is the egg of an ostrich.
D. Nerve cells are some of the smallest cells.
Answer : D
A. Mycoplasma is the smallest cell (0.3 �).
B. Bacteria are 3 to 5 �m in size.
C. The largest cell is the egg of an ostrich.
D. Nerve cells are some of the smallest cells.
Answer : D
35. Match column-I with column-II and select the correct option.
A. A - IV, B - V, C - I, D - II
B. A - I, B - II, C - IV, D - III
C. A - IV, B - I, C - II, D - III
D. A - I, B - II, C - III, D - IV
Answer : A
| Column - I | Column - II |
|---|---|
| A. Golgi apparatus | I. Storage |
| B. Mitochondria | II. Photosynthesis |
| C. Vacuoles | III. Transport |
| D. Grana | IV. Secretion |
| .. | V. Respiration |
A. A - IV, B - V, C - I, D - II
B. A - I, B - II, C - IV, D - III
C. A - IV, B - I, C - II, D - III
D. A - I, B - II, C - III, D - IV
Answer : A
36. An organalle devoid of membrane covering is
A. vacuole
B. ribosome
C. peroxisome
D. lysosome
Answer : B
A. vacuole
B. ribosome
C. peroxisome
D. lysosome
Answer : B
37. Select the statements which are related to Schwann.
A. Only (i)
B. Only (iii)
C. (i) and (iii)
D. All of these
Answer : D
- He reported that cells have a thin outer layer which is today known as plasma membrane
- Cell wall is a unique character of the plant cell.
- Body of plants and animals are composed of cells and products of cells.
A. Only (i)
B. Only (iii)
C. (i) and (iii)
D. All of these
Answer : D
38. Statement 1: Centrosomes and centrioles are related to each other.
Statement 2: Centrosome usually contains two cylindrical structures called centrioles.
A. Both statements -1 and statement - 2 are true and statement - 2 is the correct explanation of statement - 1.
B. Both statements -1 and statement - 2 are true but statement - 2 is not the correct explanation of statement - 1.
C. Statement -1 is true and statement - 2 is false.
D. Statement -1 is false and statement - 2 is true.
Answer : A
Statement 2: Centrosome usually contains two cylindrical structures called centrioles.
A. Both statements -1 and statement - 2 are true and statement - 2 is the correct explanation of statement - 1.
B. Both statements -1 and statement - 2 are true but statement - 2 is not the correct explanation of statement - 1.
C. Statement -1 is true and statement - 2 is false.
D. Statement -1 is false and statement - 2 is true.
Answer : A
39. The cell theory was given in year 1839 by Schleiden and Schwann. According to this theory all organisms are composed of cell and cells are the basic unit of life.
How did this theory help in the field of science?
A. It helped to study the working of cells.
B. It helped in curing diseases caused by cell.
C. It helped in restating the earlier theories on cell.
D. It helped in introducing the use of microscopes to study cell.
Answer : A
How did this theory help in the field of science?
A. It helped to study the working of cells.
B. It helped in curing diseases caused by cell.
C. It helped in restating the earlier theories on cell.
D. It helped in introducing the use of microscopes to study cell.
Answer : A
40. Nucleolus is
A. rounded structure found in cytoplasm near nucleus.
B. rounded structure inside nucleus and having rRNA.
C. rod-shaped structure in cytoplasm near the nucleus.
D. none of the above.
Answer : B
A. rounded structure found in cytoplasm near nucleus.
B. rounded structure inside nucleus and having rRNA.
C. rod-shaped structure in cytoplasm near the nucleus.
D. none of the above.
Answer : B
41. Match column-I (scientists) with column-II (discovery) and select the correct option.
A. A I, B III, C IV, D II
B. A I, B III, C II, D IV
C. A III, B I, C IV, D II
D. A I, B IV, C II, D III
Answer : A
| Column-I | Column-II |
|---|---|
| A. Leeuwenhoek | I. First saw and described a living cell |
| B. Robert Brown | II. Presence of cell wall is unique to plant cells |
| C. Schleiden | III. Discovered the nucleus |
| D. Schwann | IV. All plants are composed of different kind of cells |
A. A I, B III, C IV, D II
B. A I, B III, C II, D IV
C. A III, B I, C IV, D II
D. A I, B IV, C II, D III
Answer : A
42. The given diagram shows the types of chromosomes (labelled as A, B, C & D) based on the position of centromere.
Which one is the correct option for the labelled chromosomes. A, B, C and D ?
A. A Telocentric chromosome, B Acrocentric chromosome, C Submetacentric chromosome, D Metacentric chromoome
B. A Acrocentric chromosome, B Telocentric chromosome, C Metacentric chromosome, D Submetacentric chromosome
C. A Submetacentric chromosome, B Metacentric chromosome, C Telocentric chromosome, D Acrocentric chromosome
D. A Metacentric chromosome, B Submetacentric chromosome, C Acrocentric chromosome, D Telocentric chromosome.
Answer : A
Which one is the correct option for the labelled chromosomes. A, B, C and D ?
A. A Telocentric chromosome, B Acrocentric chromosome, C Submetacentric chromosome, D Metacentric chromoome
B. A Acrocentric chromosome, B Telocentric chromosome, C Metacentric chromosome, D Submetacentric chromosome
C. A Submetacentric chromosome, B Metacentric chromosome, C Telocentric chromosome, D Acrocentric chromosome
D. A Metacentric chromosome, B Submetacentric chromosome, C Acrocentric chromosome, D Telocentric chromosome.
Answer : A
43. Membranous extensions in blue green algae are known as
A. phytochrome
B. chromatophore
C. mesosome
D. pneumatophore
Answer : B
A. phytochrome
B. chromatophore
C. mesosome
D. pneumatophore
Answer : B
44. Select the incorrect statement about prokaryotic ribosomes.
A. 50S and 30S subunits unite to form 70S ribosomes.
B. Polysome/polyribosome consists of many ribosomes only.
C. Ribosome is the site of protein synthesis.
D. Polysome indicate the synthesis of identical poolypeptide in multiple copies.
Answer : B
A. 50S and 30S subunits unite to form 70S ribosomes.
B. Polysome/polyribosome consists of many ribosomes only.
C. Ribosome is the site of protein synthesis.
D. Polysome indicate the synthesis of identical poolypeptide in multiple copies.
Answer : B
45. 8.A student was given cell samples (A and B) to identify parts which are highlighted. He observed the samples under the microscope and list down the function of the part of cell sample. The information collected by the student is listed in the table below, on the basis of which the student infers that the samples contain the organelles.
Identify the part highlighted in the sample A and B and explain why they were called as semi-autonomous organelles?
A. Sample A - Mitochondria, Sample B - Chloroplast; because both the organelles are double membrane bound structure.
B. Sample A- Mitochondria, Sample B - Chloroplast; because they both are capable of synthesis of their own proteins only.
C. Sample A - Mitochondria, Sample B - Chloroplast; because they are capable of synthesis of their own proteins and contain their own DNA.
D. Sample A- Mitochondria, Sample B - Chloroplast; because they contain their own DNA to transfer the genetic information from one generation to another.
Answer : C
| Sample A | Sample B |
|---|---|
| Make energy available for cellular metabolism | Generates ATP and synthes izes s ugar |
| Absent in cell that carry oxygen throughout the body | Present in plant cell |
| Called the energy currency of cell | Source o f all the food energy |
Identify the part highlighted in the sample A and B and explain why they were called as semi-autonomous organelles?
A. Sample A - Mitochondria, Sample B - Chloroplast; because both the organelles are double membrane bound structure.
B. Sample A- Mitochondria, Sample B - Chloroplast; because they both are capable of synthesis of their own proteins only.
C. Sample A - Mitochondria, Sample B - Chloroplast; because they are capable of synthesis of their own proteins and contain their own DNA.
D. Sample A- Mitochondria, Sample B - Chloroplast; because they contain their own DNA to transfer the genetic information from one generation to another.
Answer : C
46. Choose the incorrect match.
A. Nucleus RNA
B. Lysosome Protein synthesis
C. Mitochondria Respiration
D. Cytoskeleton Microtubules
Answer : B
A. Nucleus RNA
B. Lysosome Protein synthesis
C. Mitochondria Respiration
D. Cytoskeleton Microtubules
Answer : B
47. Centrioles and centrosomes occur in the cells of
A. green plants
B. animals
C. bacteria and cyanobacteria
D. both (b) and (c)
Answer : B
A. green plants
B. animals
C. bacteria and cyanobacteria
D. both (b) and (c)
Answer : B
48. Which of the following statement is correct regarding vacuole?
A. It is membrane-bound and contains storage proteins and lipids.
B. It is membrane-bound and contains water and excretory substances.
C. It lacks membrane and contains air.
D. It lacks membrane and contains water and excretory substances.
Answer : B
A. It is membrane-bound and contains storage proteins and lipids.
B. It is membrane-bound and contains water and excretory substances.
C. It lacks membrane and contains air.
D. It lacks membrane and contains water and excretory substances.
Answer : B
49. Study the following statements on cilium or flagellum and answer the question.
Which of the above statements are correct?
A. (i) and (ii)
B. (i), (ii), (iii) and (iv)
C. (i) and (iv)
D. (ii) and (iii)
Answer : B
- Cilium / Flagellum contains an outer ring of nine doublet microtubules surrounding two singlet microtubules.
- Cilia are smaller which work like oars, causing the movement of either the cells or surrounding fluid.
- Flagella are comparatively longer and responsible for cell movement.
- Cilium and flagellum are covered with plasma membrane.
Which of the above statements are correct?
A. (i) and (ii)
B. (i), (ii), (iii) and (iv)
C. (i) and (iv)
D. (ii) and (iii)
Answer : B
50. Identify the cell organelle given below. Which is an important site of formation of glyeoproteins & glycolipids
A. Rough endoplasmic reticulum
B. Smooth endoplasmic reticulum
C. Golgi body
D. mitochondria
Answer : C
A. Rough endoplasmic reticulum
B. Smooth endoplasmic reticulum
C. Golgi body
D. mitochondria
Answer : C
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