NEET Biology Cell - The Unit Of Life Question Bank

done Centrosomes Centriole Cilia Flagella and Microtubules Total Questions - 26

• question_answer1)
  Which of the following plants contain centrioles in their cells
  A)
  Angiosperms done clear
  B)
  Moss and some fern done clear
  C)
  Red alga done clear
  D)
  All of these done clear
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• question_answer2)
  Centrioles and centrosomes are present in cells of  [MP PMT 1997; Haryana PMT 2005]
  A)
  Bacteria done clear
  B)
  Cyanobacteria done clear
  C)
  Green plants done clear
  D)
  Animals done clear
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• question_answer3)
  Function of centriole is [BHU 1980; CPMT 1996; Kerala CET 2002; MP PMT 2003; J & K CET 2005]
  A)
  Formation of spindle fibres done clear
  B)
  Formation of nucleolus done clear
  C)
  Initiation of cell division done clear
  D)
  Formation of cell plate done clear
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• question_answer4)
  The function of centrosome is [CBSE PMT 2000]
  A)
  Inhibition of cell division done clear
  B)
  Initiates cell division done clear
  C)
  To increase protein synthesis done clear
  D)
  None of these done clear
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• question_answer5)
  Centrosome is found in [DPMT 1991]
  A)
  Nucleus done clear
  B)
  Nucleolus done clear
  C)
  Cytoplasm done clear
  D)
  Chromosomes done clear
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• question_answer6)
  The main structure of centriole is [BHU 1991]
  A)
  9 + 3 fibrils done clear
  B)
  9 + 2 fibrils done clear
  C)
  Nine triplets done clear
  D)
  13 globular subunits done clear
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• question_answer7)
  A plant cell usually differs from an animal cell in the absence of [CPMT 1972, 84; RPMT 2001; J&K CET 2002; MP PMT 2002; DPMT 2003]
  A)
  Ribosomes done clear
  B)
  Centriole done clear
  C)
  Mitochondria done clear
  D)
  E.R. done clear
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• question_answer8)
  Each peripheral fibril on the centriole is made up of
  A)
  1 microtubule done clear
  B)
  2 microtubule done clear
  C)
  3 microtubule done clear
  D)
  4 microtubule done clear
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• question_answer9)
  A centrosome is
  A)
  A cytoplasmic organelle present in plant cells done clear
  B)
  A cytoplasmic organelle present in animal cells done clear
  C)
  A cytoplasmic organelle present in plant and animal cells done clear
  D)
  A nuclear structure present in animal cells done clear
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• question_answer10)
  Plant cells lack [MP PMT 1994]
  A)
  Spindle fibres done clear
  B)
  Centrioles done clear
  C)
  Asters done clear
  D)
  Centrioles and asters done clear
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• question_answer11)
  The number of membranes that surround centrioles structure is [BHU 1991]
  A)
  3 done clear
  B)
  0 done clear
  C)
  1 done clear
  D)
  2 done clear
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• question_answer12)
  Pattern of organisation of cilia and flagella is  [Kashmir MEE 1995]
  A)
  9 + 0 done clear
  B)
  9 + 1 done clear
  C)
  9 + 2 done clear
  D)
  9 + 3 done clear
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• question_answer13)
  Flagella with single strand and composed of flagellin is found in  [J & K CET 2002]
  A)
  Prokaryotes done clear
  B)
  Eukaryotes done clear
  C)
  Both (a) and (b) done clear
  D)
  None of these done clear
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• question_answer14)
  Basal bodies of cilia and flagella are derived from [DPMT 1993]
  A)
  Plasma membrane done clear
  B)
  Genes done clear
  C)
  Centrioles done clear
  D)
  Lysosomes done clear
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• question_answer15)
  The principal protein of cilia and flagella is [BHU 1986, 88]
  A)
  Tubulin done clear
  B)
  Albumin done clear
  C)
  Globulin done clear
  D)
  Gliadin done clear
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• question_answer16)
  The basal bodies at the base of flagella and cillia are
  A)
  Ribosome done clear
  B)
  Kinetosome done clear
  C)
  Kinetoplast done clear
  D)
  Dictyosome done clear
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• question_answer17)
  The filaments associated with cilia and flagella are constituted by [AIIMS 1994; MP PMT 2000]
  A)
  Microtubules done clear
  B)
  Microfilaments done clear
  C)
  Microfibrils done clear
  D)
  Microvilli done clear
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• question_answer18)
  Prokaryotic flagella possess [CBSE PMT 1995; BHU 2000]
  A)
  Helically arranged protein molecule done clear
  B)
  Protein membrane enclosed fibre done clear
  C)
  Unit membrane enclosed fibre done clear
  D)
  Microtubular 9+2 membrane enclosed structure done clear
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• question_answer19)
  Microtubule is involved in the [CBSE PMT 1998]
  A)
  Cell division done clear
  B)
  DNA recognition done clear
  C)
  Muscle contraction done clear
  D)
  Membrane architecture done clear
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• question_answer20)
  Which one of the following are mainly concerned with the spindle fibre formation
  A)
  Sphaerosomes done clear
  B)
  Microtubules done clear
  C)
  Golgi bodies done clear
  D)
  Endoplasmic reticulum done clear
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• question_answer21)
  "Microtubules'' were discovered by
  A)
  De Robertis and Franchi done clear
  B)
  Watson and Crick done clear
  C)
  Jacob and Monad done clear
  D)
  Zinder and Lederberg done clear
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• question_answer22)
  Eukaryotic cells possess a cytoskeleton of
  A)
  Microtubules, microfilaments and cytoplasm done clear
  B)
  Microtubules, microfilaments and protoplasm done clear
  C)
  Microtubules, microfilaments and proteins done clear
  D)
  None of the above done clear
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• question_answer23)
  The diameter of a fibre of microtuble is
  A)
  10 nm done clear
  B)
  21-25 nm done clear
  C)
  15-20 nm done clear
  D)
  26-30 nm done clear
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• question_answer24)
  Match List I and List II and select the correct answer using the code given below the lists List I List II 1. Microtubules Structural components of cilia 2. Centrioles Store hydrolytic enzymes 3. Peroxisomes Store oil protein and starch in plants [MP PMT 1993]
  A)
  1, 2 and 3 are correct done clear
  B)
  1 and 2 are correct, 3 is false done clear
  C)
  1 is correct, 2 and 3 are false done clear
  D)
  1 and 3 are correct, 2 is false done clear
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• question_answer25)
  The cellular role for microtubule is
  A)
  Protein synthesis done clear
  B)
  Intracellular communication done clear
  C)
  Digestion of aged organelles done clear
  D)
  Cell destruction during development done clear
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• question_answer26)
  Tubulin protein occurs in [MP PMT 2004]
  A)
  Rough endoplasmic reticulum done clear
  B)
  Microtubules done clear
  C)
  Thylakoids done clear
  D)
  Digestive enzymes done clear
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