Cell:- The Unit of life(NCERT page 123 to 127)

Cell :- The unit of life (NCERT page 123 to 127)
Advance Level Question

1. Which process emphasised the unity underlying this diversity of forms in cellular organization?
a) Cell doctrine
b) Cell theory
c) Modernization of cell theory
d) All


2. Cell theory created a sense of mystery around living phenomena that is
a) physiological processes
b) behavioural process
c) Biochemical process
d) All


3. Which process was the requirement of integrity of cellular organisation for living phenomena to be demonstrated or observed
a) Cell doctrine
b) Cell theory
c) Modernization of cell theory
d) All


4. The physico-chemical approach to understand cell-free systems can be done by knowing :-
a) physiological processes
b) behavioural process
c) Biochemical process
d) All


5. The physiological process that a cell controls in tissue or organ or organ system is/are:-
a) Digestions
b) Excretions
c) Respiration
d) All


6. This physico-chemical approach to study and understand living organisms is called :-
a) Oxidationist Biology
b) Reductionist Biology
c) Analytical Biology
d) All


7. Which concepts and techniques are applied to understand biology :-
a) Mathematics
b) Physics
c) Chemistry
d) Both ‘b’ & ‘c’


8. Who was the founder of the ‘Madras school’ of conformational analysis of biopolymers:-
a) C.N. RAMACHANDRAN
b) G.M. RAMACHANDRAN
c) G.N. RAMACHANDRAN
d) D.N. RAMACHANDRAN


9. RAMACHANDRAN in his book NATURE published :-
a) double helical structure of collagen
b) triple helical structure of collagen
c) double helical structure of reticulin
d) All


10. α-helix and β-sheet of protein was first given by
a) C.N. RAMACHANDRAN
b) Linus Pauling
c) Berxelius
d) All


11. What is it that makes an organism living, or what is it that an inanimate thing does not have which a living thing has is
a) Cell as basic unit of life
b) Cell as building block of life
c) Cell as functional unit of life
d) All


12. The organism having single cell is called as
a) Unicellular – BGA
b) Multicellular – Sponge
c) Unicellular – E.coli
d) Both ‘a’ & ‘c’


13. The organism having many cell cell is called as
a) Unicellular – BGA
b) Multicellular – Sponge
c) Unicellular – E.coli
d) Both ‘a’ & ‘c’


14. Unicellular organisms are capable of
a) independent existence
b) performing the essential functions of life
c) Contnuity of life process
d) Both ‘a’ & ‘b’
e) All


15. Who discovered the living cell?
a) Anton Von Leeuwenhoek
b) Robert Hook
c) Robert Brown
d) Both ‘a’ & ‘b’


16. Who discovered the dead cell?
a) Anton Von Leeuwenhoek
b) Robert Hook
c) Robert Brown
d) Both ‘a’ & ‘b’


17. Who discovered the establishment of cell?
a) Anton Von Leeuwenhoek
b) Robert Hook
c) Robert Brown
d) Both ‘a’ & ‘b’


18. All the detailed internal structure of cell was possible due to :-
a) Microscope
b) Electron microscope
c) Telescope
d) Both ‘a’ & ‘b’


19. Who observed that all plants are composed of different kinds of cells which form the tissues of the plant.
a) Nalthias Schleiden
b) Malthias Schleiden
c) Theodore Schwann
d) Both ‘a’ & ‘b’


20.Who first gave the idea of plasma membrane in cell.
a) Nalthias Schleiden
b) Malthias Schleiden
c) Theodore Schwann
d) Both ‘a’ & ‘b’


21. Who gave the hypothesis that the bodies of animals and plants are composed of cells and products of cells
a) Nalthias Schleiden
b) Malthias Schleiden
c) Theodore Schwann
d) Both ‘a’ & ‘b’


22. Cell Theory was formulated by :-
a) Nalthias Schleiden
b) Malthias Schleiden
c) Theodore Schwann
d) Both ‘a’ & ‘b’


23.Who formulated “Omnis cellula-e cellula”?
a) Kudolf Virchow
b) Rudolf Virchow
c) Robert Virchow
d) None


24.According to cell theory :-
a) all living organisms are composed of cells and products of cells
b) all cells arise from pre-existing cells
c) All cell exists from pre-existing cell
d) Both’a’ & ‘b’
e) All


25. Inside each cell is a dense membrane bound structure called
a) Nucleus
b) Mitochondria
c) Lysoosome
d) Ribosome


26. The DNA is stored inside
a) Chromatid
b) Chromosome
c) Gene
d) All


27. Cells that have membrane bound nuclei are called ---------, whereas cells that lack a membrane bound nucleus are -------.
a) Prokaryote , Eukaryote
b) Eukaryote, Prokaryote
c) Bacteria,Animalia
d) None


28. The main arena of cellular activities in both the plant and animal cells is
a) Protoplasm
b) Cyoplasm
c) Nucleoplasm
d) All


29. The living state of cell is maintained by chemical reaction taking in :-
a) Cytoplasm
b) Protoplasm
c) Nucleoplasm
d) All


30. The eukaryotic cells have other membrane bound distinct structures called
a) Organism
b) Organelles
c) Organs
d) All


31. The organelle found in both prokaryotic and Eukaryotic cell is:-
a) Chloroplast
b) Ribosome
c) Miocrobodies
d) All


32. In Animal cell the non-membrane structure is
a) Centriole
b) Nucleolus
c) Ribosome
d) All


33. The smallest cell is
a) Mycoplasma
b) PPLO
c) Pleuropneumonia like organism of Gram +ve bacteria
d) Both’a’ & ‘b’
e) All


34. The length of the smallest cell is
a) 0.2 millimicron
b) 0.3 milimicron
c) 3 milimicron
d) 0.3 micron


35. The largest isolated single cell is
a) Egg of Ostrich
b) Egg of Struthio camelus
c) Egg of Eagle
d) Both ‘a’ &’b’


36. Among multicellular organisms the largest cell is
a) Human Erythrocyte cell
b) Musk deer RBC
c) Dog RBC
d) All


37. The longest cell in Animal is
a) Neuron of Brain
b) Neuron of body
c) Neuron of eye
d) Both ‘a’ & ‘b’


38. The shape of the cell may vary by
a) Function they perform
b) Physiology they perform
c) Metabolic activity they perform
d) All


39. The world’s smallest cell is :-
a) Mycoplasma
b) PPLO
c) Pleuropneumonia like organism of Gram +ve bacteria
d) Both’a’ & ‘b’
e) All


40. The smallest cell in human body is
a) Eye cell
b) Sperm cell
c) Leydig cell
d) None


41. Name the cell in human body that never divides.
a) RBC
b) WBC
c) Sperm cell
d) All


42. Give a cell having two nucleus
a) Amoeba
b) Paramecium
c) Malaria poarasite
d) All


43. Which one of the following does not differ in E.coli and Chlamydomonas?
a) Cell wall
b) Cell Membrane
c) Ribosome
d) Chromosomal Organization


44. What is true about ribosomes?
a) These are found only in eukaryotic chromosome
b) They are self-splicing introns of some RNA
c) The prokaryotic ribosome is 80S where ‘S’ is sedimentation coefficient.
d) They are composed of ribonucleic acid and proteisn


45. Which one of the following is not a constituent of cell membrane?
a) Phospholipid
b) Cholesterol
c) Glycolipids
d) Prolione


46. Vital stains are employed to study
a) Living Cell
b) Frozen Tissue
c) Fresh Tissue
d) Preserved Tissue


47. Nuclear matter without envelope occurs in
a) Bacteria and Green Algae
b) Bacteria and Cyanobacteria
c) Cyanobacteria and Red Algae
d) Mycoplasma and Green Algae


48. Smaller cell is
a) Less active metabolically
b) With large nucleus
c) With smaller nucleus
d) More active metabolically


49. The barrier between the protoplasm and the other environment in an animal cells –
a) Cell wall
b) Nuclear membrane
c) Tonoplast
d) Plasma membrane


50. The term ‘Cell’ was given by –
a) Leeuwenhoek
b) Robert hooke
c) Flemming
d) Robert Brown


51. Who proposed the cell theory?
a) Schleiden and Schwann
b) Watson and Crick
c) Darwin and Wallace
d) Mendel and Morgan


52. Centrosome is found in:-
a) Cytoplasm
b) Nucleus
c) Chromosomes
d) Nucleolus


53. Within a cell the site of respiration (oxidation) is the -
a) Ribosome
b) Golgi apparatus
c) Mitochondrion
d) Endoplasmic Reticulum


54. Which is called ‘Suicidal Bag’?
a) Centrosome
b) Lysosome
c) Mesosome
d) Chromosome


55. Double membrane is absent in –
a) Mitochondrion
(b) Chloroplast
(c) Nucleus
(d) Lysosome


56. Organisms lacking nucleus and membrane bound organelle are –
a) Diploids
b) Prokaryotes
c) Haploids
d) Eukaryotes


57. Animal cell is limited by –
a) Plasma membrane
b) Shell membrane
c) Cell wall
d) Basement membrane


58. Cell organelle found only in Plant is –
a) Golgi apparatus
b) Mitochondria
c) Plastids
d) Ribosomes


59. A function of lysosomes is
a) synthesis.
b) hydrolysis.
c) replication.
d)respiration


60. Spindle fibre is formed from:-
a) ribosome.
b) centriole.
c) nucleolus.
d)All of these


61. Match the following:-

  Column I  Column I 
A Leeuwenhoek Described a living cell
B Robert Hooke Unicellular
C Chiamydomonas Discovered cell membrane
D Robert Brown Wrote 'Micrographia'
E Schwann Discovered the nucleus

a) A - 1, B - 4 , C - 2 , D - 5,  E - 3
b) A - 3, B - 2 , C - 5 , D - 4,  E - 1
c) A - 4, B - 1 , C - 5 , D - 3,  E - 2
d) A - 5, B - 3 , C - 1 , D - 4,  E - 2


62. Select the correct fundamental features of cell theory.
I. All cells are basically alike in their chemistry and physiology.
II. All living organisms are composed of cells and their products.
III.Each cell is made of a small mass of protoplasm containing a nucleus inside and a plasma membrane with or without a cell wall outside.
IV.Activities of an organism are the sum total of activities and interactions of its constituent cells.

Correct option regarding the statement is:-
a) All are incorrect 
b) II and III are correct
c)II, III and IV are correct
d) All are correct


63. Fill in the blanks (A-E) to complete the given statements.
I. In some organisms like ...A..., the body is not differentiated into cells though it may have numerous nuclei.
II. Organisms like ..B... have a uninucleate differentiated body, which cannot be divided into cells.
III. ...C... are acellular and do not have a cellular machinery.
IV. ...D...and ...E... do not have nucleus and membrane bound organelles.

a) A-viruses,   B-Acetabularia,   C-Rhizopus,   D-bacteria E-cyanobacteria
b) A-Rhizopus,   B-Acetabularia,   C-viruses,   D-bacteria E-cyanobacteria
c) A-Acetabularia,   B-Rhizopus,   C-viruses,   D-bacteria-E-cyanobacteria
d) A-viruses,   B-Rhizopus,   C-Acetabularia,   D-bacteria-E-cyanobacteria


64. Identify A and B in the given figure and select the correct option.


a) Grana thylakoid & Stroma thylakoid
b) Stroma thylakoid & Granna thylakoid
c) Granum & Stroma
d) Stroma & Granum


65. Directions : In the following questions, a statement of assertion is followed by a statement of reason. Mark the correct choice as:
(a) If both assertion and reason are true and reason is the correct explanation of assertion.
(b) If both assertion and reason are true but reason is not the correct explanation of assertion.
(c) If assertion is true but reason is false.
(d) If both assertion and reason are false. Assertion:- The endomembrane system includes endoplasmic reticulum (ER), Golgi complex, lysosomes and vacuoles.
Reason : Mitochondria, chloroplast and peroxisomes are not the part of endomembrane system because their functions are not coordinated with the same.
a) a
b) b
c) c
d) d

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