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NEET Biology MCQ
Neet Biology Cell Structure And Organelle Mcq
Quiz 16
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Q.1
on Q190) The materials essential for dark reaction are located in
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a) Circular-DNA
0%
b) Thylakoids
0%
c) Stroma
0%
d) Ribosomes
Explanation
Answer:(b)
Q.2
on Q191) It shows presence of Nucleoid.
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a) Plant cell
0%
b) Bacteria
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c) Animal cell
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d) Virus
Explanation
Answer:(b)
Q.3
on Q192) How many grana present in one chloroplast?
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a) 40-60
0%
b) 42-47
0%
c) 60-80
0%
d) 02-100
Explanation
Answer:(a)
Q.4
on Q193) (A) Mesosome are formed by a specialized differentiated form of cell membrane. (R) Cell membrane is the lamellas envelop.
0%
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)
0%
c) Assertion (A) is true but Reason (B) is false.
0%
d) Assertion (A) is false but Reason B is true.
Explanation
Answer:(a)
Q.5
on Q194) Select mismatch option
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a) Centriole - 9 + 0
0%
b) Cilia - 9 + 2
0%
c) Fimbriae - Conjugation
0%
d) middle lamella - Lignin
Explanation
Answer:(d)
Q.6
on Q195) Which organelle is considered as plant lysosome?
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a) Lysosomes.
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b) Glyoxysomes.
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c) Sphaerosomes.
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d) Peroxisomes.
Explanation
Answer:(c)
Q.7
on Q196) 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?
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 o f all the food energy
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a) Sample A - Mitochondria, Sample B - Chloroplast; because both the organelles are double membrane bound structure.
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b) Sample A- Mitochondria, Sample B - Chloroplast; because they both are capable of synthesis of their own proteins only.
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c) Sample A - Mitochondria, Sample B - Chloroplast; because they are capable of synthesis of their own proteins and contain their own DNA.
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d) Sample A- Mitochondria, Sample B - Chloroplast; because they contain their own DNA to transfer the genetic information from one generation to another.
Explanation
Answer:(c)
Q.8
on Q197) Which of the following is not the function of cell wall? (i) Provides shape to the cell. (ii) Protects the cell from mechanical damage and infection. (iii) Helps in cell to cell interaction. (iv) Provides barrier to undesirable macromolecules.
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a) Only (i).
0%
b) Only (iv).
0%
c) Only (ii), (iii) and (iv).
0%
d) None of the above.
Explanation
Answer:(d)
Q.9
on Q198) ER of adjacent cells are connected by:
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a) Desmotubule.
0%
b) Microtubule.
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c) Actin filament.
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d) Microsome.
Explanation
Answer:(a)
Q.10
on Q199) Lysosomes were discovered by:
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a) Porter.
0%
b) DeDuve.
0%
c) Palade.
0%
d) Golgi
Explanation
Answer:(b)
Q.11
on Q200) Which of the following statement regarding cilia is correct?
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a) Cilia contain an outer of nine doublet microtubules surrounding a central microtubule.
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b) Cilia are hair like outgrowths of the nuclear membrane.
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c) The peripheral doublets are also interconnected by linkers.
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d) Central sheath is connected to one of the tubules of each peripheral singlet by radial spokes.
Explanation
Answer:(c)
Q.12
on Q201) Which of the following statements are true: (i) Telomere is rich in guanine bases. (ii) Anthocyanin is a water soluble pigment found only in vacuole which imparts colour to petals. (iii) In humans, 15th chromosome have SAT region. (iv) 6000 cellulose molecules are present in one fibril.
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a) (ii) only.
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b) (i) only.
0%
c) (i), (ii) and (iii).
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d) All of these.
Explanation
Answer:(d)
Q.13
on Q202) How many of the following characters are true regarding primary wall? (i) Forms during cell growth. (ii) Formed by accretion. (iii) Cellulose microfibrils are loosely packed in the matrix. (iv) Pits present. (v) Many layered.
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a) 4
0%
b) 3
0%
c) 1
0%
d) 2
Explanation
Answer:(d)
Q.14
on Q203) What is not true about Sphaerosomes?
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a) Arise from RER.
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b) Half unit membrane bound.
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c) Stores lipids/fats.
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d) Acts as plant lysosomes.
Explanation
Answer:(a)
Q.15
on Q204) Which of the following structures arises from cell membrane?
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a) Flagella.
0%
b) Fimbriae.
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c) Cilia.
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d) All of these.
Explanation
Answer:(c)
Q.16
on Q205) Which of the following statements is true regarding middle lamella? (i) Colloidal in nature. (ii) Ca is more predominant. (iii) Mg is more predominant. (iv) Ca and Mg pectates are present in equal amounts. (v) Found in between the primary wall of the adjacent cells.
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a) (i) and (ii) only.
0%
b) (i) and (iii) only.
0%
c) (i), (ii) and (v) only.
0%
d) (iv) and (v) only.
Explanation
Answer:(c)
Q.17
on Q206) Peroxisomes contain:
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a) Hydrolases.
0%
b) Transferases.
0%
c) Isomerases.
0%
d) Oxidases.
Explanation
Answer:(d)
Q.18
on Q207) Assertion: Nucleus controls different metabolic as well as hereditary activity of the cell. Reason: Size of nucleus is related to the size of the chromosome.
0%
a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
0%
b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
0%
c) Assertion is true but Reason is false.
0%
d) Both Assertion and Reason are false.
Explanation
Answer:(c)
Q.19
on Q208) Assertion: Lipids are arranged within the cell membrane with the hydrophilic tail towards the inner part. Reason: Due to fluidity of proteins, lipids are laterally moving through lipid bilayer.
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a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
0%
b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
0%
c) Assertion is true but Reason is false.
0%
d) Both Assertion and Reason are false.
Explanation
Answer:(d)
Q.20
on Q209) Which of the following is false regarding bacterial cell? (i) Lipid content is lower in gram +ve bacteria than gram -ve bacteria. (ii) Porins are present in both gram +ve and gram -ve bacteria. (iii) Mesosomes are very prominent in gram +ve bacteria. (iv) Lipopolysaccharides are present in gram -ve bacteria.
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a) Both (i) and (ii).
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b) All except (i).
0%
c) (i), (iii) and (iv).
0%
d) (ii) only.
Explanation
Answer:(d)
Q.21
on Q210) Which of the follow is common character shared by both prokaryotes and eukaryotes?
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a) Nucleus.
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b) Complex genome with histones.
0%
c) Cytoskeleton.
0%
d) Phospholipid bilayer.
Explanation
Answer:(d)
Q.22
on Q211) If you remove the fimbriae from the bacterial cell, which of the following would you expect to happen?
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a) The bacteria would no longer swim.
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b) The bacteria would no longer adher to the host tissue.
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c) Transportation of molecules across the membrane would stop.
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d) The shape of bacteria would change.
Explanation
Answer:(b)
Q.23
on Q212) The outer membrane of the nucleus: I. is continuous with the Endoplasmic reticulum. II. does bear ribosomes.
0%
a) Only I is correct.
0%
b) Only II is correct.
0%
c) Both I and II are correct.
0%
d) Both I and II are incorrect.
Explanation
Answer:(c)
Q.24
on Q213) Mitochondria and chloroplast are: I. Semi-autonomous organelles. II. Formed by division of pre-existing organelles and they contain DNA but lack protein synthesizing machinery. Which one of the following options is correct?
0%
a) II is true but I is false.
0%
b) I is true but II is false.
0%
c) Both I and II are false.
0%
d) Both I and II are correct.
Explanation
Answer:(b)
Q.25
on Q214) How many of the following cell organelles are membranous? Endoplasmic reticulum, Nucleus, lysosomes, vacuoles, ribosomes, centrioles. /
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a) 6.
0%
b) 5.
0%
c) 4.
0%
d) 2.
Explanation
Answer:(c)
Q.26
on Q215) It is responsible for beginning of the life of organisms.
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a) Tissue
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b) Zygote
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c) Cell
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d) Embryonic layer
Explanation
Answer:(b)
Q.27
on Q216) The unit of phloem in which nucleus is absent.
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a) Sieve cell
0%
b) Sieve tube
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c) Companion cell
0%
d) Phloem parenchyma
Explanation
Answer:(b)
Q.28
on Q217) What is the diameter of cisternae in golgi apparatus?
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a) 0.5µm - 1µm
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b) 0.5 mm - 1 mm
0%
c) 5 µm - 10 µm
0%
d) 0.05 µm - 1µm
Explanation
Answer:(a)
Q.29
on Q218) (A)In mitochondria inner layer has many folding which is known as cristae. (R)In cristae ETS occurs.
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a) Assertion (A) and Reason (R) both are true and reason (B) is correct explanation of the assertion A.
0%
b) Assertion (A) and Reason (R) both are true but reason B is not a correct explanation of the assertion (A)
0%
c) Assertion (A) is true but Reason (B) is false.
0%
d) Assertion (A) is false but Reason B is true.
Explanation
Answer:(b)
Q.30
on Q219) (A)Animal cell possesses centriole. (R)some algae also possesses centriole
0%
a) Assertion (A) and Reason (R) both are true and reason (B) is correct explanation of the assertion A.
0%
b) Assertion (A) and Reason (R) both are true but reason B is not a correct explanation of the assertion (A)
0%
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.31
on Q220) In Column-I Organell and in Column-II its function is given, select correct option
Column I
Column I
P) Mitochondria
1) Suicide bag
Q) Chloroplast
2) Synthesis of steroids
R) Lysosome
3) Photosynthesis
S) SER
4) ATP- formation and storage
0%
a) (P - 4) (Q - 3) (R - 1) (S - 2)
0%
b) (P - 2) (Q - 1) (R - 4) (S - 3)
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c) (P - 4) (Q - 3) (R - 2) (S - 1)
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d) (P - 1) (Q - 2) (R - 3) (S - 4)
Explanation
Answer:(a)
Q.32
on Q221) Which of the following is correct regarding the number of microtubule doublets and radial spokes in cilia?
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a) Nine and nine.
0%
b) Nine and eleven.
0%
c) Eleven and nine.
0%
d) Eleven and eleven.
Explanation
Answer:(a)
Q.33
on Q222) Chemical nature of carrier molecules facilitating transport across plasma membrane is:
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a) Sugary.
0%
b) Proteinaceous.
0%
c) Fatty acids.
0%
d) Starchy.
Explanation
Answer:(b)
Q.34
on Q223) Which of the following statements is/are correct? (i) The endomembrane system includes plasma membrane, ER, Golgi complex, lysosomes and vacuoles. (ii) ER helps in the transport of substances, synthesis of proteins, lipoproteins and glycogen. (iii) Ribosomes are involved in protein synthesis. (iv) Mitochondria help in oxidative phosphorylation and generation of ATP.
0%
a) (ii), (iii) & (iv).
0%
b) (i) only.
0%
c) (ii) only.
0%
d) (iii) only.
Explanation
Answer:(a)
Q.35
on Q224) Which of the following substances are present in plant cell wall? (i) Pectin. (ii) Suberin. (iii) Cutin. (iv) Lignin. (v) Silica. (vi) Callose. (vii) Algin. (viii) Murein.
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a) (i), (ii), (iii), (iv), (vii).
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b) (i), (ii). (v), (vii), (viii).
0%
c) (i), (ii), (iii), (v), (vi), (vii).
0%
d) (ii), (iii), (v), (vii), (viii).
Explanation
Peptidoglycan (murein) is a polymer consisting of sugars and amino acids that forms a mesh-like layer outside the plasma membrane of most bacteria, forming the cell wall Lignin fills the spaces in the cell wall between cellulose, hemicellulose, and pectin components, especially in vascular and support tissues: xylem tracheids, vessel elements and sclereid cells Answer:(c)
Q.36
on Q225) Which of the following function is not related with golgi complex?
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a) Phragmoplast formation.
0%
b) Glyoxylation.
0%
c) Formation of acrosome in sperm.
0%
d) Formation of vesicular bodies.
Explanation
Answer:(b)
Q.37
on Q226) Select the correct match of the types of neuron present in column I with its location given in column II.
Column I
Column II
A. Centrioles
(i) Non-membrane bound organelle which helps in cell division
B. Fimbriae
(ii) Special structure of bacteria which help them to attach with rocks in stream and also to host tissue
C. Endomembrane
(iii) Includes those organelles system whose functions are coordinated
D. Mitochondria
(iv) Divide by fission and site of aerobic respiration
0%
a) A - (i), B - (ii), C - (iii), D - (iv)
0%
b) A - (iii), B - (i), C - (ii), D - (iv)
0%
c) A - (iii), B - (i), C - (iv), D - (ii)
0%
d) A - (i), B - (iv), C - (iii), D - (ii)
Explanation
Answer:(a)
Q.38
on Q227) Which of the following is incorrect?
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a) Mycoplasma is the smallest cell (0.3 µm).
0%
b) Bacteria are 3 to 5 µm in size.
0%
c) The largest cell is the egg of an ostrich.
0%
d) Nerve cells are some of the smallest cells.
Explanation
Answer:(d)
Q.39
on Q228) The best way to identify a cell as either prokaryotic or eukaryotic is to determine whether:
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a) It came from a single-celled or multicellular organism.
0%
b) It has a nucleus.
0%
c) It has a plasma membrane.
0%
d) It has cytosol.
Explanation
Answer:(b)
Q.40
on Q229) Which one of the following pigments do not occur in the chlorophyll?
0%
a) Carotene.
0%
b) Chlorophyll b.
0%
c) Xanthophyll.
0%
d) Anthocyanin.
Explanation
Answer:(d)
Q.41
on Q230) Identify the lysine rich histone protein:
0%
a) H1.
0%
b) H3.
0%
c) H4.
0%
d) All of these.
Explanation
Answer:(a)
Q.42
on Q231) Large and more numerous nuclei are present in cell actively carrying out:
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a) Lipid synthesis.
0%
b) Protein synthesis.
0%
c) Vitamin synthesis.
0%
d) Carbohydrate synthesis.
Explanation
Answer:(b)
Q.43
on Q232) Read the following statements: (i) Peroxisomes are involved in photorespiration of the non green cell of plants and also performs β - oxidation of fatty acids in animal cells. (ii) Mitochondria possess enzymes for the β - oxidation of fatty acids. (iii) The fluid - dynamic mosaic model of plasma membrane explains both structural and functional aspects. (iv) The movement of cilia and flagella is due to the presence dynein proteins. (v) Lysosomes originate from golgi apparatus. How many of the above statements are true:
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a) Two.
0%
b) Three.
0%
c) Four.
0%
d) Five.
Explanation
Answer:(c)
Q.44
on Q234) Which of the following statements are true regarding glycocalyx? (i) Homopolysaccharide. (ii) Heteropolysaccharide. (iii) Capsule form found predominantly in parasitic bacteria. (iv) Slimy form found in all bacteria.
0%
a) (i) and (iii) only.
0%
b) (ii) and (iii) only.
0%
c) (i), (iii) and (iv) only.
0%
d) (ii), (iii) and (iv) only.
Explanation
Answer:(b)
Q.45
on Q235) GERL concerned with the biogenesis of:
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a) Golgi body.
0%
b) ER.
0%
c) Mitochondria.
0%
d) Lysosome.
Explanation
Answer:(d)
Q.46
on Q236) Factors which affect the size of cell include: (i) Nucleo cytoplasmic ratio. (ii) Rate of metabolism. (iii) Surface area to volume ratio.
0%
a) All of these are correct.
0%
b) None of these are correct.
0%
c) Only (i) and (ii) are correct.
0%
d) Only (iii) and (ii) are correct.
Explanation
Answer:(a)
Q.47
on Q237) Which of the following statement is wrong regarding lysosomes?
0%
a) Cholesterol is a lysosome stabilizer, which makes autolysis.
0%
b) Vitamin K is lysosome labilizer, which makes breaking of membrane.
0%
c) Lysosomes contains hydrolytic enzymes.
0%
d) Lysosomes biogenesis is associated with GERL complex.
Explanation
Answer:(a)
Q.48
on Q238) Lipochondria is:
0%
a) Mitochondria rich in lipids.
0%
b) Golgi complex rich in lipids.
0%
c) Lysosomes rich in lipid digesting enzymes.
0%
d) Ribosomes rich in lipids.
Explanation
Answer:(b)
Q.49
on Q239) The plane of cell wall formation in a dividing cell is determined by:
0%
a) Golgi apparatus.
0%
b) Microtubules.
0%
c) Microfilaments.
0%
d) Endoplasmic reticulum.
Explanation
Answer:(a)
Q.50
on Q240) Gas vacuoles allow cyanobacteria to:
0%
a) Store carbon dioxide for assimilation.
0%
b) Control their buoyancy.
0%
c) Provide anaerobic conditions to nitrogenase.
0%
d) Eliminate toxic ammonia.
Explanation
Answer:(b)
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