9th Class Science The Fundamental Unit of Life Question Bank

done MCQs - The Fundamental Unit of Life Total Questions - 51

• question_answer1)
  The word 'cell' is derived from
  A)
  Greek word that means 'small box-like structure' done clear
  B)
  Latin word that means 'a little room' done clear
  C)
  Greek word that means 'a little room' done clear
  D)
  Latin word that means 'small box-like structure' done clear
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• question_answer2)
  Living cells were discovered by                         (NCERT Exemplar)          
  A)
  Robert Hooke     done clear
  B)
  Purkinje done clear
  C)
  Leeuwenhoek     done clear
  D)
  Robert Brown done clear
  View Solution play_arrow

• question_answer3)
  The term 'protoplasm' was coined by
  A)
  Purkinje             done clear
  B)
  Robert Hooke done clear
  C)
  Virchow             done clear
  D)
  Robert Brown done clear
  View Solution play_arrow

• question_answer4)
  Cell theory states that cells are structural and functional unit of
  A)
  plants               done clear
  B)
  animals done clear
  C)
  Both [a] and [b]  done clear
  D)
  microbes done clear
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• question_answer5)
  The cell theory was further explained by Virchow.
  A)
  True                  done clear
  B)
  False done clear
  C)
  Can't say            done clear
  D)
  Partially true/false done clear
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• question_answer6)
  Match the following columns.

  	Column I		Column II
  A.	Robert Hooke	1.	Discovery of nucleus
  B.	Schleiden and Schwann	2.	Protoplasm
  C.	Robert Brown	3.	Cell theory
  D.	Purkinje	4.	Discovered cell

  Codes
  A)
  A-3,  B-4,  C-1,  D-2 done clear
  B)
  A-1,  B-2,  C-3,  D-4 done clear
  C)
  A-2,  B-4,  C-1,  D-3 done clear
  D)
  A-4,  B-3,  C-1,  D-2 done clear
  View Solution play_arrow

• question_answer7)
  Choose the incorrect statement from the following options.
  A)
  All cells arise from pre-existing cells only done clear
  B)
  Rudolf Virchow proposed the cell theory done clear
  C)
  Nucleus was discovered by Robert Brown in 1831 done clear
  D)
  The nucleus and cytoplasm of a living cell, altogether form the protoplasm done clear
  View Solution play_arrow

• question_answer8)
  Match the following columns.

  	Column I		Column II
  A.	Chlamydomonas	1.	Muldcellular organism
  B.	Prokaryotes	2.	Organism having nuclear membrane
  C.	Fungi	3.	Unicellular organisms
  D.	Eukaryotes	4.	Organisms without a nuclear membrane

  Codes
  A)
  A-3,  B-4,  C-1,  D-2 done clear
  B)
  A-1,  B-2,  C-3,  D-4 done clear
  C)
  A-2,  B-4,  C-1,  D-3 done clear
  D)
  A-4,  B-3,  C-2,  D-1 done clear
  View Solution play_arrow

• question_answer9)
  The shape and size of cells are related to
  A)
  type of cell                                 done clear
  B)
  function of cell done clear
  C)
  length of cell                               done clear
  D)
  Both [a] and [b] done clear
  View Solution play_arrow

• question_answer10)
  The only cell organelle seen in prokaryotic cell is                                              (NCERT Exemplar)    
  A)
  mitochondria      done clear
  B)
  ribosomes done clear
  C)
  plastids            done clear
  D)
  lysosomes done clear
  View Solution play_arrow

• question_answer11)
  The covering of the cell that separates the content of the cell from its external environment is called
  A)
  cell wall            done clear
  B)
  cytoplasm done clear
  C)
  cell membrane     done clear
  D)
  nucleus done clear
  View Solution play_arrow

• question_answer12)
  Diffusion is the process in which substance move from region of ....(A)… concentration to a region of ...(B)...concentration.
  A)
  (A)-low,(B)-high done clear
  B)
  (A)-high,(B)-low done clear
  C)
  (A)-low,(B)-low                           done clear
  D)
  (A)-high,(B)-high done clear
  View Solution play_arrow

• question_answer13)
  Plasma membrane is called as
  A)
  selectively permeable done clear
  B)
  permeable done clear
  C)
  impermeable                              done clear
  D)
  semipermeable done clear
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• question_answer14)
  A cell will swell up if                                                                    (NCERT Exemplar)
  A)
  the concentration of water molecules in the cell is higher than the concentration of water molecules in surrounding medium done clear
  B)
  the concentration of water molecules in surrounding medium is higher than water molecules concentration in the cell done clear
  C)
  the concentration of water molecules is same in the cell and in the surrounding medium done clear
  D)
  concentration of water molecules does not matter done clear
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• question_answer15)
  Match the following columns.

  	Column I		Column II
  A.	Hypotonic solution	1.	Cell will shrink
  B.	Hypertonic	2.	Cell will swell up solution
  C.	Isotonic solution	3.	Cell will stay the same

  Codes
  A)
  A-3,  B-2,  C-1 done clear
  B)
  A-1,  B-2,  C-3 done clear
  C)
  A-3,  B-1,  C-2 done clear
  D)
  A-2,  B-1,  C-3 done clear
  View Solution play_arrow

• question_answer16)
  Osmosis is the special case of diffusion through a selectively permeable membrane.
  A)
  True done clear
  B)
  False done clear
  C)
  Can't say                                   done clear
  D)
  Partially true or false done clear
  View Solution play_arrow

• question_answer17)
  The flexibility of plasma membrane can be contributed to the presence of
  A)
  proteins              done clear
  B)
  lipids done clear
  C)
  nucleic acids       done clear
  D)
  Both [a] and [b] done clear
  View Solution play_arrow

• question_answer18)
  Amoeba acquires its food through a process, termed            (NCERT Exemplar)
  A)
  exocytosis                                  done clear
  B)
  endocytosis done clear
  C)
  plasmolysis done clear
  D)
  Both exocytosis and endocytosis done clear
  View Solution play_arrow

• question_answer19)
  Select the odd one out.
  A)
  The movement of water across a semi-permeable membrane is affected by the amount of substances dissolved in it done clear
  B)
  Membranes are made of organic molecules like proteins and lipids done clear
  C)
  The cell membrane separates the content of the cell from its external environment done clear
  D)
  The cell membrane allows the movement of all material across it done clear
  View Solution play_arrow

• question_answer20)
  The rigid outer covering in plant cell is called cell membrane.
  A)
  True done clear
  B)
  False done clear
  C)
  Can't say                                   done clear
  D)
  Partially true or false done clear
  View Solution play_arrow

• question_answer21)
  The cell wall of which out of these is not made up of cellulose?         (NCERT Exemplar)
  A)
  Bacteria done clear
  B)
  Hydrilla done clear
  C)
  Mango tree         done clear
  D)
  Lactus done clear
  View Solution play_arrow

• question_answer22)
  Plasmolysis in a plant cell is defined as
  A)
  breakdown (lysis) of plasma membrane in hypotonic medium done clear
  B)
  shrinkage of cell content in hypertonic medium done clear
  C)
  shrinkage of nucleoplasm done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer23)
  The nucleus has a double layered covering called
  A)
  cell membrane done clear
  B)
  nuclear membrane done clear
  C)
  cell wall                                     done clear
  D)
  plasma membrane done clear
  View Solution play_arrow

• question_answer24)
  Chromosomes are made up of                                                                                     (NCERT Exemplar)
  A)
  DNA                done clear
  B)
  Protein done clear
  C)
  DNA and protein done clear
  D)
  RNA done clear
  View Solution play_arrow

• question_answer25)
  Functional segments of DNA are called ….(A).... In a cell which is not dividing, the DNA is present as ….(B)... material. Choose the correct option for A and B respectively are
  A)
  chromosomes, gene done clear
  B)
  gene, chromatin done clear
  C)
  chromatin, gene done clear
  D)
  chromosomes, chromatin done clear
  View Solution play_arrow

• question_answer26)
  The undefined nuclear region of prokaryotes are also known as          (NCERT Exemplar)
  A)
  nucleus              done clear
  B)
  nucleolus done clear
  C)
  nucleic acid        done clear
  D)
  nucleoid done clear
  View Solution play_arrow

• question_answer27)
  Cell organelles are present in
  A)
  cytoplasm                                  done clear
  B)
  plasma membrane done clear
  C)
  nucleus                                      done clear
  D)
  nucleoid done clear
  View Solution play_arrow

• question_answer28)
  Match the following columns

  	Column I		Column II
  A.	Cellulose	1.	Cytoplasm
  B.	Chromosomes	2.	Functional segment of DNA
  C.	Cell organelles	3.	Plant cell wall
  D.	Genes	4.	Nucleus

  Codes
  A)
  A-4,  B-3,  C-2,  D-1 done clear
  B)
  A-3,  B-4,  C-1,  D-2 done clear
  C)
  A-4,  B-3,  C-1,  D-2 done clear
  D)
  A-3,  B-4,  C-2,  D-1 done clear
  View Solution play_arrow

• question_answer29)
  Lipid molecules in the cell are synthesised by        (NCERT Exemplar)
  A)
  smooth endoplasmic reticulum done clear
  B)
  rough endoplasmic reticulum done clear
  C)
  Golgi apparatus done clear
  D)
  plastids done clear
  View Solution play_arrow

• question_answer30)
  Rough endoplasmic reticulum are site of ...(A)... manufacture, while smooth endoplasmic reticulum helps in manufacture of ...(B)... molecules. Choose the correct option for A and B respectively
  A)
  lipids, fats                                  done clear
  B)
  carbohydrates, fats done clear
  C)
  proteins, fats                              done clear
  D)
  vitamins, proteins done clear
  View Solution play_arrow

• question_answer31)
  Which cell organelle plays a crucial role in detoxifying many poisons and drugs in a cell?        (NCERT Exemplar)
  A)
  Golgi apparatus done clear
  B)
  Lysosomes done clear
  C)
  Smooth endoplasmic reticulum done clear
  D)
  Vacuoles done clear
  View Solution play_arrow

• question_answer32)
  Endoplasmic reticulum is the site for energy generation.
  A)
  True                                          done clear
  B)
  False done clear
  C)
  Can't say                                   done clear
  D)
  Partially true or false done clear
  View Solution play_arrow

• question_answer33)
  The cell organelle involved in forming complex sugars from simple sugars are               (NCERT Exemplar)
  A)
  endoplasmic reticulum                 done clear
  B)
  ribosomes done clear
  C)
  plastids                                      done clear
  D)
  Golgi apparatus done clear
  View Solution play_arrow

• question_answer34)
  Lysosome arises from         (NCERT Exemplar)
  A)
  endoplasmic reticulum done clear
  B)
  Golgi apparatus done clear
  C)
  nucleus done clear
  D)
  mitochondria done clear
  View Solution play_arrow

• question_answer35)
  Silver nitrate solution is used to study
  A)
  endoplasmic reticulum done clear
  B)
  Golgi apparatus done clear
  C)
  nucleus done clear
  D)
  mitochondria done clear
  View Solution play_arrow

• question_answer36)
  Which of the following are covered by a single membrane?               (NCERT Exemplar)
  A)
  Mitochondria                              done clear
  B)
  Vacuole done clear
  C)
  Lysosome                                  done clear
  D)
  Plastid done clear
  View Solution play_arrow

• question_answer37)
  Organelle other than nucleus, containing DNA is                     (NCERT Exemplar)
  A)
  endoplasmic reticulum done clear
  B)
  Golgi apparatus done clear
  C)
  mitochondria done clear
  D)
  lysosome done clear
  View Solution play_arrow

• question_answer38)
  Mitochondria have two membrane. The outer membrane is very ...(A)..., while the inner membrane is ...(B)...
  A)
  A-porous, B-deeply folded done clear
  B)
  A-folded, B-porous done clear
  C)
  A-rigid, B-soft done clear
  D)
  A-porous, B-rigid done clear
  View Solution play_arrow

• question_answer39)
  Mitochondria are able to make their own proteins.
  A)
  True                                          done clear
  B)
  False done clear
  C)
  Can't say                                   done clear
  D)
  Partially true or false done clear
  View Solution play_arrow

• question_answer40)
  Which of the following is only present in plant cells?
  A)
  Plastids                                      done clear
  B)
  Endoplasmic reticulum done clear
  C)
  Mitochondria done clear
  D)
  Golgi apparatus done clear
  View Solution play_arrow

• question_answer41)
  Kitchen of the cell is                    (NCERT Exemplar)
  A)
  mitochondria done clear
  B)
  endoplasmic reticulum done clear
  C)
  chloroplast done clear
  D)
  Golgi apparatus done clear
  View Solution play_arrow

• question_answer42)
  Match the following columns

  	Column I		Column II
  A.	Chromoplasts	1.	Colourless plastids
  B.	Leucoplasts	2.	Yellow or orange pigments
  C.	Chloroplasts	3.	Coloured plastids

  Codes
  A)
  A-3,  B-1,  C-2 done clear
  B)
  A-1,  B-2,  C-3 done clear
  C)
  A-2,  B-3,  C-1 done clear
  D)
  A-1,  B-3,  C-2 done clear
  View Solution play_arrow

• question_answer43)
  Numerous membrane layer present in chloroplasts are called
  A)
  cytoplasm           done clear
  B)
  leucoplasts done clear
  C)
  mitochondria      done clear
  D)
  stroma done clear
  View Solution play_arrow

• question_answer44)
  Leucoplasts are primarily organelles which stores
  A)
  protein granules  done clear
  B)
  oils done clear
  C)
  starch                done clear
  D)
  All of these done clear
  View Solution play_arrow

• question_answer45)
  Pick out the incorrect statement.
  A)
  Leucoplast is a colourless plastid done clear
  B)
  Cell wall is a non-living structure, mainly composed of cellulose done clear
  C)
  Golgi apparatus acts as the site of protein synthesis done clear
  D)
  Protoplasm is a life giving substance of a cell done clear
  View Solution play_arrow

• question_answer46)
  Find out the false statement.
  A)
  Golgi apparatus is involved with the formation of lysosomes done clear
  B)
  Nucleus, mitochondria and plastid have DNA, hence they are able to make their own structural proteins done clear
  C)
  Mitochondria is said to be the power house of the cell as ATP is generated in them done clear
  D)
  Cytoplasm is called as protoplasm done clear
  View Solution play_arrow

• question_answer47)
  Storage sacs in plant and animal cells is called
  A)
  vacuoles             done clear
  B)
  Golgi apparatus done clear
  C)
  mitochondria      done clear
  D)
  plastids done clear
  View Solution play_arrow

• question_answer48)
  Vacuoles are ...(A)... sized in animals cells, while plant cells have very ...(B)... vacuoles.
  A)
  (A)-large, (B)-small done clear
  B)
  (A)-small, (B)-large done clear
  C)
  (A)-small, (B)-small                     done clear
  D)
  (A)-large, (B)-large done clear
  View Solution play_arrow

• question_answer49)
  Select the correct functional role of vacuole in a cell.
  A)
  Vacuoles do not help in maintaining rigidity of cell done clear
  B)
  Vacuoles form thread-like tail in sperms of many mammals done clear
  C)
  Vacuoles expell excess water and waste products from the cell done clear
  D)
  Vacuoles store only excretory products of a cell done clear
  View Solution play_arrow

• question_answer50)
  Choose the incorrect statement.
  A)
  Lysosomes form the garbage disposal system of animal cells done clear
  B)
  Ribosome carries out the synthesis of proteins done clear
  C)
  Liquid content of the vacuole in a plant cell is called cell sap done clear
  D)
  The colourless plastid that stores proteins lipids and starch is named xanthophyll done clear
  View Solution play_arrow

• question_answer51)
  Match the following columns.

  	Column I		Column II
  A.	Mitochondria	1.	Storage sacs
  B.	Lysosomes	2.	Protein synthesis
  C.	Vacuoles	3.	Power house of the cell
  D.	Ribosomes	4.	Suicidal bags

  Codes
  A)
  A-1,  B-2,  C-3,  D-4 done clear
  B)
  A-4,  B-3,  C-2,  D-1 done clear
  C)
  A-3,  B-4,  C-1,  D-2 done clear
  D)
  A-4,  B-3,  C-1,  D-2 done clear
  View Solution play_arrow