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NEET Biology MCQ
Neet Biology Cell Structure And Organelle Mcq
Quiz 14
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Q.1
ion Q85) Which assertion is false ?
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a) Suicidal bag possess double layer structure
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b) Mitochondria are self-replicating organelles
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c) Virchow give the final shape of the cell theory
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d) Active transport occurs against the concentration gradient
Explanation
Answer:(a)
Q.2
ion Q86) Which of the cell organelle is associated with the given characters? (i) They are membrane bound vesicular structures formed by the packing in the golgi apparatus. (ii) They are rich in hydrolytic enzymes. (iii) Their enzymes active at acidic pH. (iv) These enzymes are capable of digesting carbohydrate, protein, lipids and nucleic acids.
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a) Lysosomes.
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b) vacuole.
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c) Peroxisomes.
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d) Glyoxysomes.
Explanation
Answer:(a)
Q.3
ion Q87) Cyclosis movements are responsible for:
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a) Microtubules.
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b) Microfilaments.
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c) Intermediate filaments.
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d) All of these.
Explanation
Answer:(b)
Q.4
ion Q88) 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,
Sample A
Sample B
Make energy available for cellular metabolism
Generates ATP and synthesizes sugar
Absent in cell that carry oxygen throughout the body
Present in plant cell
Called the energy currency of cell
Source of all the food energy
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a) Eukaryotic cells have membrane bound organelles.
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b) Eukaryotic cell have non - membrane bound organelles.
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c) Eukaryotic cell are smaller and multiply more rapidly than prokaryotic cells.
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d) Eukaryotic cell are larger and multiply more rapidly than prokaryotic cells.
Explanation
Answer:(a)
Q.5
ion Q89) Which function is carried out by the cell organelle 'X'?
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a) Helps control the movement of substance in and out of the cell
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b) Passes information from the parent cell to newly formed cell
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c) Maintains the proper shape of the cell and serves as a protective barrier
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d) Helps the cell to make food with the help of chlorophyll and sunlight.
Explanation
Answer:(a)
Q.6
ion Q90) Which of the following pair are correctly matched? (i) Microtubules - Structural components of cilia (ii) Centrioles - Store hydrolytic enzymes. (iii) Amyloplasts - Store oil protein and starch in plants.
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a) (i), (ii) and (iii).
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b) (i) and (ii).
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c) (i) only.
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d) (i) and (iii).
Explanation
Answer:(c)
Q.7
ion Q91) Smooth endoplasmic reticulum takes part in synthesis of:
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a) DNA.
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b) Proteins.
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c) Lipids and steroids.
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d) Sugars.
Explanation
Answer:(c)
Q.8
ion Q92) (A) Aleuroplasts stores proteins. (R)Amyloplasts stores starch
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a) Assertion (A) and Reason (R) both are true and reason (B) is correct explanation of the assertion A.
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b) Assertion (A) and Reason (R) both are true but reason B is not a correct explanation of the assertion (A)
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c) Assertion (A) is true but Reason (B) is false.
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d) Assertion (A) is false but Reason B is true.
Explanation
Answer:(b)
Q.9
ion Q93) Microtubules are the constituents of:
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a) Centrioles, spindle fibres, chromatin.
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b) Centrosome, nucleosome, centrioles.
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c) Cilia, flagella, peroxisomes.
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d) Spindle fibres, centrioles, cilia.
Explanation
Answer:(d)
Q.10
ion Q94) Both the membranes of mitochondrion are:
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a) Structurally different but functionally similar.
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b) Structurally as well as functionally different.
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c) Structurally similar but functionally different.
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d) Structurally different but functionally similar.
Explanation
Answer:(b)
Q.11
ion Q95) Which of the following statements are incorrect ? (i) Plant cells have centrioles which are absent in almost all animal cells. (ii) Ribosomes are the site of protein synthesis. (iii) The middle lamella is a layer mainly of calcium carbonate which holds the different neighbouring cells together. (iv) In animal cell, steroidal hormones are synthesized by smooth endoplasmic reticulum. Of the above statements
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a) (i) and (iii).
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b) (iii) and (iv).
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c) (ii) and (iv).
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d) (i) and (iv).
Explanation
Answer:(a)
Q.12
ion Q96) Which among the following represent a mesokaryotic cell?
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a) Desmids.
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b) Desmocapsa.
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c) Slime moulds.
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d) Mycoplasma.
Explanation
Answer:(b)
Q.13
ion Q97) Vesicular body containing undigested food materials are:
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a) Telolysosome.
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b) Cytolysosome.
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c) Phagolysosome.
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d) Heterophagosome.
Explanation
Answer:(a)
Q.14
ion Q98) Mitochondrial Cristae are sites of:
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a) Breakdown of macromolecules.
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b) Protein synthesis.
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c) Phosphorylation of flavoproteins.
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d) Oxidation and reduction reaction.
Explanation
Answer:(d)
Q.15
ion Q99) Identify the cytoskeleton present in skin:
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a) Microtubule.
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b) Microfilaments.
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c) Intermediate filaments.
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d) All of these.
Explanation
Answer:(c)
Q.16
Assertion: Transmembrane proteins penetrate through the lipid bilayer. Reason: Extrinsic proteins are loosely bound to lipid bilayer.
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a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
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b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
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c) Assertion is true but Reason is false.
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d) Both Assertion and Reason are false.
Explanation
Answer:(b)
Q.17
on Q101) Which of the following is a part of eukaryotic flagella?
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a) Nexin bridges.
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b) Protein hub.
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c) Massulae.
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d) Astral rays.
Explanation
Answer:(a)
Q.18
Chondriosome refers to:
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a) Total number of ribosomes in a cell.
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b) Total number of mitochondria in a cell.
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c) Broken membranes of ER and golgi bodies.
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d) Depression in secondary wall.
Explanation
Answer:(b)
Q.19
on Q104) Assertion: Chloroplast is a cell organelle. Reason: An organelle is a distinct part of a cell which has a particular structure and function.
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a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
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b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
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c) Assertion is true but Reason is false.
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d) Both Assertion and Reason are false.
Explanation
Answer:(a)
Q.20
on Q105) Desmin and Vimentin are examples of:
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a) Neurofilaments.
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b) Cilial filaments.
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c) Heterogeneous filaments.
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d) Keratin filaments.
Explanation
Answer:(c)
Q.21
on Q106) Axoneme is present in:
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a) Centrioles.
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b) Nucleolus.
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c) Flagella.
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d) Mitochondria.
Explanation
Answer:(c)
Q.22
on Q111) Assertion: The fimbriae are elongated tubular structures made of special proteins. Reason: The pili are small bristle like fibres sprouting out of the cell.
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a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
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b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
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c) Assertion is true but Reason is false.
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d) Both Assertion and Reason are false.
Explanation
Answer:(d)
Q.23
on Q112) Which of the following statement is correct regarding vacuole?
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a) It is membrane-bound and contains storage proteins and lipids.
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b) It is membrane-bound and contains water and excretory substances.
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c) It lacks membrane and contains air.
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d) It lacks membrane and contains water and excretory substances.
Explanation
Answer:(b)
Q.24
on Q113) Which of the following statements are correct? (i) In prokaryotic cells, a special membranous structure formed by the extension of the plasma membrane into the cell is known as polysome. (ii) The smooth endoplasmic reticulum is the major site for synthesis of glycoproteins. (iii) RuBisco is the most abundant protein in the whole biosphere. (iv) Mitochondria, chloroplasts and peroxisomes are not considered as part of endomembrane system. Of the above statements:
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a) (iii) and (iv).
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b) (i) and (ii)
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c) (ii) and (iii)
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d) (i) and (iv).
Explanation
Answer:(a)
Q.25
on Q114) The solid linear cytoskeletal elements having a diameter of 6nm and made up of a single type of monomer are known as:
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a) Microtubules.
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b) Microfilaments.
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c) Intermediate filaments.
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d) Lamins.
Explanation
Answer:(b)
Q.26
on Q115) Which one of the following is incorrect statement?
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a) Organisms composed of single cell are unicellular.
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b) Organisms composed of many cells are multicellular.
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c) Organisms which are not composed of any cell are acellular.
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d) Organisms which are composed of single cell is acellular.
Explanation
Answer:(d)
Q.27
on Q116) Which of the following is true about chloroplast?
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a) One in Chlamydomonas.
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b) 20-40 in leaf mesophyll cell.
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c) Present in different shapes.
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d) All of these.
Explanation
Answer:(d)
Q.28
on Q117) Bacteria possess small DNA other than circular DNA which is called as...
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a) Cosmid
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b) Plasmid
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c) Plastid
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d) Starid
Explanation
Answer:(b)
Q.29
on Q118) What is the diameter of mitochondrion?
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a) 0.2-1.0 µm
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b) 1.0-4.1 µm
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c) 0.02-0.10 µm
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d) 1.5-2.5 µm
Explanation
Most mitochondria are ovoid bodies having a diameter between 0.2 and 1.0 µm and a length up to 7 µm Answer:(a)
Q.30
on Q119) (A)The blue green algae is a prokaryotic. (R)The blue green algae possess 70 s ribosomes.
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a) Assertion (A) and Reason (R) both are true and reason (B) is correct explanation of the assertion A.
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b) Assertion (A) and Reason (R) both are true but reason B is not a correct explanation of the assertion (A)
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c) Assertion (A) is true but Reason (B) is false.
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d) Assertion (A) is false but Reason B is true.
Explanation
Answer:(a)
Q.31
on Q120) Select the Correct option from Column-I and Column-II
Column I
Column II
P Chloroplast
1 Single layer structure
Q Lysosomes
2 Double layered
R Nucleolus
3 without membrane
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a) (P - 3) (Q - 1) (R - 2)
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b) (P - 1) (Q - 2) (R - 3)
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c) (P - 2) (Q - 3) (R - 1)
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d) (P - 2) (Q - 1) (R - 3)
Explanation
chloroplasts are surrounded by two membranes P= 2 vacuole, lysosome, Golgi Apparatus, Endoplasmic Reticulum etc are single membrane cell organelles Q = 1 The nucleolus, the largest and most prominent compartment lacking a membrane, is found in the nucleus of almost all cells R =3 Answer:(d)
Q.32
on Q121) Transformation and recycling of plasma membrane are the functions of:
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a) Golgi bodies.
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b) Lysosomes.
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c) Smooth endoplasmic reticulum.
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d) Rough endoplasmic reticulum.
Explanation
Answer:(a)
Q.33
on Q122) You are asked to examine a cell using a powerful light microscope. The image you see has a clearly defined nucleus and mitochondria. It also has a large central vacuole and chloroplasts. From what group of organisms did this cell most likely come?
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a) Bacteria.
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b) Protists.
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c) Fungi.
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d) Plants.
Explanation
Answer:(d)
Q.34
on Q123) Golgi apparatus is absent in:
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a) Higher plants.
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b) Yeast.
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c) Bacteria and blue-green algae.
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d) None of the above.
Explanation
Answer:(c)
Q.35
on Q124) 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.
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a) Part (D): Outer membrane Gives rise to inner membrane by splitting.
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b) Part (B): Inner membrane Forms infoldings called Cristae.
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c) Part (C): Cristae Possess single circular DNA molecule and ribosomes.
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d) Part (A): Matrix Major site for respiratory chain enzymes.
Explanation
Answer:(b)
Q.36
on Q125) Balbiani rings are:
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a) Seen on lampbrush chromosome and are the site of r-RNA synthesis.
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b) Seen on polytene chromosomes and are the site of r - RNA and protein synthesis.
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c) Seen on salivary gland chromosomes and are the site of lipid and protein synthesis.
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d) Seen on both lampbrush and salivary gland chromosomes and are the site of protein synthesis.
Explanation
Answer:(b)
Q.37
on Q126) Pericentriolar matrix seen around centrioles is:
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a) Kinoplasm.
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b) Diplosome.
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c) Axoneme.
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d) Blepharoplast.
Explanation
Answer:(a)
Q.38
on Q127) Palade particles are:
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a) Ribosomes.
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b) Microbodies.
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c) Lysosomes.
0%
d) Dictyosomes.
Explanation
Answer:(a)
Q.39
on Q128) In which of the following would to expect to find Glyoxysomes?
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a) Endosperm of wheat.
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b) Root hairs.
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c) Endosperm of castor.
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d) Palisade cells of leaf.
Explanation
Answer:(c)
Q.40
on Q129) Assertion: Lysosomes are capable of digesting carbohydrates, proteins, lipids and nucleic acids. Reason: Lysosomes are rich in hydrolytic enzymes like carbohydrases, proteases, lipases and nucleases.
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a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
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b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
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c) Assertion is true but Reason is false.
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d) Both Assertion and Reason are false.
Explanation
Answer:(a)
Q.41
on Q130) Cell structure of bacteria responsible for cellular respiration, DNA replication and cell wall formation is:
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a) Plasmid.
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b) Fimbriae.
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c) Chondroid.
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d) Chromatophores.
Explanation
Answer:(c)
Q.42
on Q131) Microtubules, motor proteins, and actin filaments are all part of the:
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a) Mechanism of photosynthesis that occurs in chloroplasts.
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b) Rough ER in prokaryotic cells.
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c) Cytoskeleton of eukaryotic cells.
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d) Process that moves small molecules across cell membranes.
Explanation
Answer:(c)
Q.43
on Q132) The following diagram shows some of the missing structures in a plant cell marked as A, B, C, D E. Choose the option with their correct names.
0%
a) A - Plasmodesmata, B - Rough endoplasmic reticulum, C - Golgi apparatus, D - Mitochondrion, E - Ribosomes
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b) A - Desmosomes, B - Rough endoplasmic reticulum, C - Golgi apparatus, D - Mitochondrion, E - Ribosomes
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c) A - Plasmodesmata, B - Smooth endoplasmic reticulum, C - Golgi apparatus, D - Mitochondrion, E - Ribosomes
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d) A - Tight junction, B - Rough endoplasmic reticulum, C - Golgi apparatus, D - Mitochondrion, E -Ribosomes
Explanation
Answer:(a)
Q.44
on Q133) Which of the following terms is not correctly matched with its feature?
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a) Osmosis Movement of water by diffusion.
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b) Nucleoplasm Site of active synthesis of ribosomal RNA.
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c) Mesosome Infolding of cell membrane and characteristics of eukaryotes.
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d) Pili Elongated tubular surface structures (made of special protein) of bacteria.
Explanation
Answer:(c)
Q.45
on Q134) Match column-I and column-II and select the correct answer
Column I
Column II
A. Bacteria without walls
Lysosome
B. Small circular DNA
Mycoplasma cells
C. Flattened sacs in
Thylakoid a chloroplast
D. A vesicle in which
Plasmid hydrolytic enzymes are stored
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a) A= 3 ; B = 4 ; C=2 ; D=1
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b) A= 2 ; B = 4 ; C=3 ; D=1
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c) A= 1 ; B = 2 ; C=3 ; D=4
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d) A= 4 ; B = 3 ; C=1; D=2
Explanation
Answer:(b)
Q.46
on Q135) Which of the following is true for lysosomes? (i) Polymorphic organelles. (ii) Single membrane bounded and different vitamins, testosterone and progesterone are the membrane labilizers that increase the chance of autolysis. (iii) Number of lysosomes are maximum and found in the flight muscles of birds. (iv) Hydrolytic enzymes actively functional at acidic pH 5.
0%
a) Both (i) and (iii)
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b) (iii) only.
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c) (i), (ii) and (iv).
0%
d) (iv) only.
Explanation
Answer:(c)
Q.47
on Q136) Many cells function properly and divide mitotically even though they do not have:
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a) Plasma membrane.
0%
b) Cytoskeleton.
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c) Mitochondria.
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d) Plastids.
Explanation
The cytoskeleton is a complex, dynamic network of interlinking protein filaments present in the cytoplasm of all cells The plasma membrane, also called the cell membrane, is the membrane found in all cells that separates the interior of the cell from the outside environment. The mitochondrion is a semi autonomous double-membrane-bound organelle found in most eukaryotic organisms. Plastids are a group of phylogenetically and physiologically-related organelles found in all types of plants and algae. All the option except plastids is present in most of the cells and plastids are found in plant cell only. Thus cells can function without plastids. Answer:(c)
Q.48
on Q137) Which of the following is the fundamental characteristics of cell membrane?
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a) Amino acid regulation.
0%
b) Fat regulation.
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c) Glucose regulation.
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d) Ion regulation.
Explanation
Answer:(d)
Q.49
on Q138) In prokaryotes, Chromatophores are:
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a) Specialized granules responsible for colouration of cells.
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b) Structures responsible for organizing the shape of the organism.
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c) Inclusion bodies lying free inside the cells for carrying out various metabolic activities.
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d) Internal membrane system which becomes extensive and complex in photosynthetic bacteria.
Explanation
Answer:(d)
Q.50
on Q139) Which of the following statements is/are correct? (i) The shape of the cells may vary with the function they perform. (ii) Human RBC is about 7.0 µm in diameter. (iii) Cytoplasm is the main area of cellular activities. (iv) Various chemical reactions occur in cytoplasm to keep the cell in the living state.
0%
a) (i), (ii), (iii) and (iv).
0%
b) Only (i) and (ii).
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c) Only (iv).
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d) None of the above.
Explanation
Answer:(a)
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