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Cell Biology Quiz-01

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NEET is the most famous and important medical entrance examination held in our country. This exam is an objective type, an offline test which includes 4 sections namely– Physics, Chemistry, Botany, and Zoology. The maximum marks that can be scored are 720 marks and have 180 questions. About half of the paper consists of questions from Biology, as the NEET exam essentially focuses on capacitating students to go for seats in medical courses. One of the most significant and crucial sections in the NEET exam is of Biology. It comprises of theories, descriptions, discoveries, diagrams, definitions, explanations of differences, and relations. The majority of the topics covered in the NEET syllabus are from the NCERT syllabus of Class 11 & 12 and other related sources become part of the rest of the syllabus. Clear Exam curates a list of articles selected by professionals who recommend the highly vital topics for NEET exams. The table below takes you directly to the respective topic where the in-depth article and the MCQs are available for an easy and productive learning experience. Prior to solving NEET question papers or practicing mock tests, you must ensure to study the basic concepts in NEET and practice a few sample questions related to this exam. Students will be covered for all their studies as the topics are available from basics to even the most advanced..

Q1.   In DNA structure, Nobel Prize was given to:
  •  Macria Wilkins
  •  Franklin
  •  Pauly
  •  Watson and Crick
Solution
(d) J D Watson and F H C Crick gave double helix model of DNA in 1953 and got Nobel Prize in 1962.

Q2.   Acid hydrolase is found in:
  •  Golgi body
  •  ER
  •  Lysosome
  •  Vacuole
Solution
(c) Lysosomes are the organelles which contain acid hydrolases. All the enzymes do not occur in the same lysosome but there are different sets of enzymes in different types of lysosomes.

Q3.   Cell theory was proposed by:
  •  Virchow
  •  Schleiden and Schwann
  •  Robert Hooke
  •  Barbara McClintock
Solution
(b) M J Schleiden and T Schwann (1838-39) proposed cell theory.
Q4.   The figures of cork cells as seen by Robert Hooke were published in the book
  •  Origin of Species
  •  Genera Plantarum
  •  Micrographia
  •  Species Pantarum
Solution
(c) The figures of cork cells as seen by Robert Hooke were published in the book Micrographia

Q5.   Choose the correct statements
I. Passive cells are larger in size
II. Larger cells have lower surface volume ratio
III. To remain active, larger cells are either cylindrical in shape or possess several extensions of the cell membrane, like microvilli
IV. Microvilli are found in all those cells, which are active in absorption
V. Microvilli (membrane infoldings) occurs in transfer cells found in plants in the region of absorption or secretion of nutrients
Option containing all correct statements is
  •  I and IV
  •  I, II, III and IV
  •  I, III and II
  •  I, II, III, IV and V
Solution
  (d) All passive cells like eggs are larger in size. Larger cells have lower surface volume ratio. All active cells are smaller. If larger cells has to remain active, they are either cylindrical in shape or possess several extensions of the cell membrane. Microvilli are one of such developments. They are found in all those cells, which are active in absorption. These also occur in transfer cells found in plants

Q6.   Chlorophyll in chloroplasts is located in
  •  Grana
  •  Pyrenoid
  •  Stroma
  •  Both (a) and (c)
Solution
(a) In chloroplast, grana possess green photosynthetic pigment chlorophyll.

Q7.   Coupling factor ‘F’ is found in:
  •  Stroma
  •  Matrix
  •  Thylakoids
  •  Ribosomes
Solution
(c) Studies by the freeze-fracture technique show that the outer surface of the thylakoid membrane is covered by large (12 nm) particles and smaller (8 nm) particles.

Q8.   Eukaryotes includes:
  •  Protists
  •  Fungi
  •  Plants
  •  All of these
Solution
(d) A eukaryotic cell is the one which has an organised nucleus and several membrane covered cell organelles. Except Monera, the cells of all other kingdoms have eukaryotic organisation

Q9.   Out of A-T, G-C pairing, bases of DNA may exist in alternate valency state owing to arrangements called:
  •  Tautomerisational mutation
  •  Analogue substitution
  •  Point mutation
  •  Frameshift mutation
Solution
(a) Out of A-T-, G-C pairing, bases of DNA may exist in alternate valency state owing to arrangement called tautomerisational mutation. It involves presence of tautomeric forms of nitrogen bases, e.g., imino tautomer instead of amino group (i.e., cytosine-adenine) or enol group instead of keto group (i.e., thymine-guanine).

Q10.   Which of the following statement is correct about the cell wall of prokaryotic cell?
I. Cell wall, if present, possesses muramic acid
II. Cell wall, if presents, possesses acitic acid
III. Cell wall is always absent
The correct options is

  •  Only I
  •  Only II
  •  I, II and III
  •  Only III
Solution
(a) In prokaryotes, cell wall is present in bacteria and cyanobacteria. A cell wall is absent in mycoplasma or PPLO. Cell wall, if present, possesses muramic acid

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BEST NEET COACHING CENTER | BEST IIT JEE COACHING INSTITUTE | BEST NEET & IIT JEE COACHING: Cell Biology Quiz-01
Cell Biology Quiz-01
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