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NEET PYQ Cell Biology & Cell Division MCQ 31 TO 60 AUGUST 4

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Q.31     G2 phase comes between -

                                    \[West Bengal 2007]

            (1) S and M phase        

(2) G1 and S phase

            (3) S and D phase         

(4) G1 and M phase

Q.32     Lampbrush chromosome is found in -

                                    [Wes Bengal 2007]

            (1) Oocyte of amphibians

            (2) Salivary gland of mosquito

            (3) Silk gland of silkworm

            (4) None of the above

Q.33     Prokaryotic ribosomes are -

                                    [West Bengal 2007]

            (1) 50s              (2) 60s

            (3) 70s              (4) 80s

Q.34     Mesosomes of prokaryotes perform function similar to -             

[West Bengal 2007]

            (1) Mitochondria           (2) Peroxysomes

            (3) Lysosomes               (4) Ribosomes

Q.35     RER is rough bucause of the presence of -                      [West Bengal 2007]

            (1) Volutin granules on its

            (2) Ribosomes on its surface

            (3) Lysosomes on its surface

            (4) Mitochondria on its surface

Q.36     Crossing over takes place between -

                                    [West Bengal 2007]

            (1) 2 sister chromatids

            (2) 2 non-sister chromatids

            (3) 3 homologous chromosomes

            (4) 4 non-homologous chromosomes

Q.37     Cellular recognition is fasciliated by components of plasmamembrane. These components are generally -                    [West Bengal 2007]

            (1) Protein molecules alone

            (2) Lipid molecules alone

            (3) Both lipid and protein molecules

            (4) Gloycolipids and glycoproteins

 

Q.38     The significance of meiosis lies in -

                        [C.G. PMT 2004]

            (1) Maintaining constancy in the number of  chromosomes in an organism

            (2) Production of genetic variability in the population of species

            (3) Reduction of the diploid number of
    chromosomes to haploid

            (4) All of the above

Q.39     Which among the following can be seen only under the electron microscope -

                                      [C.G. PMT 2004]

            (1) Chloroplast              (2) Ribosome

            (3) Leucoplast               (4) Nucleus

Q.40     A mature plant cell has -

                                     [C.G. PMT 2004]

            (1) Cell wall and protoplasm

            (2) Protoplasm and vacuole

            (3) Vacuole and cell wall

            (4) Protoplasm cell wall and vacuole

Q.41     The larger sub-unit in 80 s ribosome is -

                                      [C.G. PMT 2004]

            (1) 50 s             (2) 60 s

            (3) 40 s             (4) zero s

Q.42     Golgi bodies are absent in -

                                       [C.G. PMT 2004]

            (1) Plants                      (2) Bacteria

            (3) Animals                   (4) Eukaryotic cells

Q.43     Endoplasmic reticulum is more developed in -     [C.G. PMT 2004]

            (1) Green cells              (2) Young cells

            (3) Mature cells (4) Bacteriophage

Q.44     Mitochondria are related to -

                                      [C.G. PMT 2004]

            (1) Prokaryotic cell        (2) Plasmids

            (3) Prion                       (4) Virus

Q.45     The main function of lysosomes is -

                                       [C.G. PMT 2004]

            (1) Digestion                

(2) Replication

            (3) Translation             

(4) Translocation

Q.46     Which of the following has a single
membrane - [C.G. PMT 2004]

            (1) Ribosome                (2) Peroxisome

            (3) Nucleus                   (4) Centrosome

 

Q.47     L-shaped chromosomes are called -

                         [C.G. PMT 2004]

            (1) Sex-chromosome     

(2) Acrocentric

            (3) Telocentric             

(4) Sub-metacentric

Q.48     Pairing of homologous chromosomes takes place in -       [C.G. PMT 2004]

            (1) Pachytene   

            (2) Zygotene

            (3) Diplotene    

            (4) None of these

Q.49     How many meiotic divisions will be necessary to produce two hundred pollen grain -  [C.G. PMT 2004]

            (1) 100                         (2) 99

            (3) 50                           (4) 200

Q.50     Who coined the term chromosome -       

                                      [C.G. PMT 2004]

            (1) Balbiani                   (2) Waldeyer    

            (3) Sutton                     (4) Purkinje

Q.51     A chromosome having sub-terminal centromere is calle  [C.G. PMT 2004]

            (1) Telocentric  (2) Acrocentric

            (3) Metacentric  (4) Sub-metacentric

Q.52     Which is the character of mitosis -

  [C.G. PMT 2005]

            (1) Leptotene               

(2) Zygotene

            (3) Pachytene               

(4) None of the above

Q.53     How many types of cells are known -

                         [C.G. PMT 2005]       

(1) One                         (2) Two

            (3) Three                      (4) Four

Q.54     In which mitosis does-not occur -

                                    [C.G. PMT 2005]

            (1) Green algae            

(2) Fungi

            (3) Bacteria                  

(4) Higher plants

Q.55     A mature plant cell has -

                                    [C.G. PMT 2005]

            (1) Cell wall                 

(2) Vacuole

            (3) Protoplasm             

(4) All of the above

Q.56     Repulsion of homologous chromosomes takes place in - [C.G. PMT 2005]

            (1) Zygotene                 (2) Leptotene

            (3) Diakinesis                (4) Pachytene

Q.57     In eukaryotic cell the type of ribosome is -[C.G. PMT 2005]

            (1) Only 70 s

            (2) Only 80 s

            (3) 70 s and 80 s both

            (4) Only 50 s

Q.58     Synthesis of DNA takes place in -

  [C.G. PMT 2005]

            (1) G1                         

(2) G2

            (3) S                            

(4) None of these

Q.59     The genetic material of procaryotic cells is called -          [C.G. PMT 2005]

            (1) Nucleus                   (2) Nucleolus

            (3) Nucleoid                  (4) Centrosome

Q.60     Which organelle of plant cells secrets polysaccharide to make cell walls -

                                    [C.G. PMT 2005]

            (1) Golgi-bodies                        (2) Lysosome

            (3) Mitochondria           (4) Chloroplast

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