McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: All India Pre Medical Test (AIPMT) .
Chapters
| 801. |
During inspiration (J.I.PME.R.2004,Orissa 2005,R.PMT.2005) |
| A. | Diaphragm and external muscles relax |
| B. | Diaphragm and internal intercostal muscles relax |
| C. | Diaphragm and external intercostal muscles contract |
| D. | Diaphragm and internal intercostal muscles contract. |
| Answer» C. Diaphragm and external intercostal muscles contract | |
| 802. |
Mountain sickness at high altitude is due to (C.P.M.T.2005) |
| A. | Excess co2 in blood |
| B. | Decreased CO2 in air |
| C. | Decreased partial pressure of oxygen |
| D. | Decreased efficiency of haemoglobin |
| Answer» C. Decreased partial pressure of oxygen | |
| 803. |
Capacity of human lungs for air in a healthy person is (Orissa 2005) |
| A. | 3000 ml |
| B. | 1500 ml |
| C. | 1000 ml |
| D. | 500 ml |
| Answer» A. 3000 ml | |
| 804. |
Rate of breathing is controlled by |
| A. | Amount of freely avilable oxygen |
| B. | Carbon dioxide in blood |
| C. | Muscular functions of body |
| D. | All the above |
| Answer» B. Carbon dioxide in blood | |
| 805. |
During strenous exercise,glucose is converted into (B.H.U.2005) |
| A. | Glycogen |
| B. | Pyravic acid |
| C. | Starch |
| D. | Lactic acid |
| Answer» D. Lactic acid | |
| 806. |
How much pulmonary air is expired normally (Har.P.M.T.2005) |
| A. | 70% |
| B. | 20% |
| C. | 25% |
| D. | 32% |
| Answer» D. 32% | |
| 807. |
Which is incorrect ? (C.B.S.E.2006) |
| A. | Presence of nonrespiratory air sacs increases efficinency of respiration in birds |
| B. | In insects,circulation body fluids serve to distribute oxygen to tissues |
| C. | Principle of counter - current flow facilitates efficient respiration in gills of fishes |
| D. | Residual air in lungs slightly decreases the efficiency of respiration in mammals |
| Answer» B. In insects,circulation body fluids serve to distribute oxygen to tissues | |
| 808. |
Percenatage of oxygen being carried by blood plasma is (Orissa 2006) |
| A. | 6-9% |
| B. | 3-6% |
| C. | 2-3% |
| D. | 1-2% |
| Answer» C. 2-3% | |
| 809. |
Column I represents diseases and column II represents their symptoms. Which of the following pairs are correct match for them (Guj.CE.T.2006) ColumnI ColumnII
|
| A. | P - ii , Q - iv , R - i , S - iii |
| B. | P - ii , Q - i , R - iii , S - iv |
| C. | P - iv , Q - ii , R - iv , S - iii |
| D. | P - iv , Q - i , R - iii , S - ii |
| Answer» B. P - ii , Q - i , R - iii , S - iv | |
| 810. |
:- Make the correct pairs. |
| A. | Pneumonia |
| B. | Bronchitis |
| C. | Emphysema |
| D. | Asbetosis |
| Answer» D. Asbetosis | |
| 811. |
:- What is indicated by A and B respectivity in the figure? |
| A. | Trachea and Pharynx |
| B. | Larynx and Pharynx |
| C. | Nasal chamber and Trachea |
| D. | Bronchus and Pharynx |
| Answer» B. Larynx and Pharynx | |
| 812. |
:- Where the A and B parys, Labeled in given figure are ended? |
| A. | Bronchus and Lungs |
| B. | Bronchioles and Lungs |
| C. | Trachea and Bronchioles |
| D. | Bronchus and Alveoli |
| Answer» C. Trachea and Bronchioles | |
| 813. |
:- What is indicated by “A” in figure ? |
| A. | Alveoli |
| B. | Lungs |
| C. | Heart |
| D. | Trachea |
| Answer» C. Heart | |
| 814. |
:- Make the correct pairs.
|
| A. | P - ii , Q - iii , R - iv , S - i |
| B. | P - i , Q - iv , R - ii , S - iii |
| C. | P - ii , Q - iv , R - i , S - iii |
| D. | P - i , Q - iii , R - ii , S - iv |
| Answer» C. P - ii , Q - iv , R - i , S - iii | |
| 815. |
Approximately how many cells are present in the body of an adult person ? |
| A. | 1014 |
| B. | 1015 |
| C. | 1018 |
| D. | 1021 |
| Answer» A. 1014 | |
| 816. |
The period between two successive cell divisions in called........ |
| A. | Duplication |
| B. | Growth phase |
| C. | Cell cycl |
| D. | Interphase |
| Answer» C. Cell cycl | |
| 817. |
Which is fundamental property of all living organisms ? |
| A. | Respiration |
| B. | Germination |
| C. | Growth |
| D. | Photosynthesis |
| Answer» C. Growth | |
| 818. |
The two chromatids of a metaphase chromosome represents : |
| A. | homologous chromosome of a diploid set |
| B. | replicated chromosomes to be separated at anaphase |
| C. | non-homologous joined at the centromere |
| D. | maternal and paternal chromosomes joined at the centromere |
| Answer» B. replicated chromosomes to be separated at anaphase | |
| 819. |
With how many cell reproduction starts ? |
| A. | Two cell |
| B. | Single cel |
| C. | Many cells |
| D. | Somatic cell |
| Answer» B. Single cel | |
| 820. |
Which of the following is present in maximum number in an adult person ? |
| A. | Somatic cell |
| B. | Gamete |
| C. | Reproductive cell |
| D. | Zygote |
| Answer» A. Somatic cell | |
| 821. |
What is synthesized during G2 – phase ? |
| A. | Protein |
| B. | Micro tubules |
| C. | RNA |
| D. | (a) and (b) |
| Answer» D. (a) and (b) | |
| 822. |
Synthesis of RNA and protein takes place in which phase of the cell cycle ? |
| A. | S-phase |
| B. | M-phase |
| C. | G1-phase |
| D. | Metaphase |
| Answer» C. G1-phase | |
| 823. |
During which phase can nucleolus be observed clearly ? |
| A. | Metaphase-II |
| B. | Early Prophase |
| C. | Anaphase |
| D. | Metaphase |
| Answer» B. Early Prophase | |
| 824. |
Which structure can be observed at the surface of centromere during metaphase ? |
| A. | Kinetochore |
| B. | Chromatophore |
| C. | Kinetophore |
| D. | Chromatophore |
| Answer» A. Kinetochore | |
| 825. |
Mitosis actually means…… |
| A. | Reduction in number of chromosomes |
| B. | Division of nucleus only |
| C. | Division of cytoplasm only |
| D. | Both nuclear (Karyokinesis) and cytoplasmic divisions. |
| Answer» D. Both nuclear (Karyokinesis) and cytoplasmic divisions. | |
| 826. |
The role of mitosis is not merely to divide a cell into two daugher cells but to ensure genetic continuity from one cell generation. The mechanism ensuring genetic continutity is; |
| A. | Formation of two cells with identical DNA |
| B. | The new cells have half the number of chromosomes. |
| C. | Formation of cell by new chromosome |
| D. | Formation of two daughter cells |
| Answer» A. Formation of two cells with identical DNA | |
| 827. |
Substances that interface with microtubule function interfare with cell division because.... |
| A. | Microtubules are distributed equally in the new cells |
| B. | Microtubules are involved in precise separate set of chromosomes get into each daughter cells. |
| C. | Without microtubules, cytokinesis cannot take place and a membrane is form |
| Answer» B. Microtubules are involved in precise separate set of chromosomes get into each daughter cells. | |
| 828. |
The stage of mitosis during which the nucleolus disintegrates and chromosomes appear is known as |
| A. | Interphase |
| B. | Metaphase |
| C. | Prophase |
| D. | Anaphase |
| Answer» C. Prophase | |
| 829. |
Chromosomes can be counted during : |
| A. | Prophase |
| B. | Metaphase |
| C. | Anaphas |
| D. | Telophase |
| Answer» B. Metaphase | |
| 830. |
The nuclear membrane disintegrates and spindle appears at : |
| A. | Prometaphase |
| B. | Early prophase |
| C. | Late telophase |
| D. | Late prophase |
| Answer» D. Late prophase | |
| 831. |
The separation of two chomatids of each chromosome during early anaphase is initiated by : |
| A. | The interaction of centromere with the chromosomal fibres. |
| B. | The elongation of metaphytic spindle |
| C. | Attachment of spindle fibres with Kinetochore |
| D. | All the above |
| Answer» C. Attachment of spindle fibres with Kinetochore | |
| 832. |
The telophase stage of mitosis is……. |
| A. | The last stage of karyokinesis |
| B. | More or less opposite of prophase stage. |
| C. | The stage where spindle fibres are abosorbed in cytoplasm |
| D. | All of the above |
| Answer» D. All of the above | |
| 833. |
The term ‘karyokinesis’ is used for…. |
| A. | Disappearance of nuclear mimbrane during metaphase |
| B. | Changes occuring at anaphase, when chromosomes move to the opposite poles. |
| C. | Event occuring during interphase |
| D. | Over all changes occurring in nucleus during the cell division. |
| Answer» D. Over all changes occurring in nucleus during the cell division. | |
| 834. |
How many mitotic divisions must occur in a cell to form 1024 cells ? |
| A. | 20 |
| B. | 10 |
| C. | 40 |
| D. | 64 |
| Answer» B. 10 | |
| 835. |
The difference in the division of a plant cell and animal cell is in..... |
| A. | Cell membrane formation |
| B. | Spindle formation |
| C. | Movement of chromosomes from equatorial plane |
| D. | Coiling of the chromosomes |
| Answer» A. Cell membrane formation | |
| 836. |
During which phase of prophase-I of meiosis does the process of synapsis occur ? |
| A. | Pachytene |
| B. | Zygotene |
| C. | Leptotene |
| D. | Diplotene |
| Answer» B. Zygotene | |
| 837. |
In mitosis the daughter cells resemble to their parent cell. But in meiosis they differ not only from parent cell in having half the number of chromosomes, but also differ among themselves qualitatively in genetic constitution due to..... |
| A. | Segragation and crossing over only |
| B. | Independent assortment and segregation only |
| C. | Crossing over, independent assortment and segregation |
| D. | Independent assortment and crossing over only |
| Answer» C. Crossing over, independent assortment and segregation | |
| 838. |
Which is the longest phase of meitoic division ? |
| A. | Prophase-I |
| B. | Metaphase-I |
| C. | Anaphase-I |
| D. | Telophase-I |
| Answer» A. Prophase-I | |
| 839. |
At which stage, the homologous chromosomes separate due to repulsion, but are yet held by chiasmata : |
| A. | Zygotene |
| B. | Pachytene |
| C. | Diplotene |
| D. | Diakinesis |
| Answer» C. Diplotene | |
| 840. |
If there are four chromosomes present during prophase – I, how many chromosome are there in each cell at the end of anaphase - II |
| A. | 4 |
| B. | 8 |
| C. | 2 |
| D. | 16 |
| Answer» C. 2 | |
| 841. |
Meiosis – II is : |
| A. | Cell division |
| B. | Mitotic division |
| C. | Commonly cell elongation |
| D. | Reduction division |
| Answer» B. Mitotic division | |
| 842. |
Significance of meiosis is associated with : |
| A. | DNA duplication |
| B. | Asexual reproduction |
| C. | Sexual reproduction |
| D. | Growth of the body |
| Answer» C. Sexual reproduction | |
| 843. |
The minimum number of meiotic divisions required to obtain 100 pollen grain of wheat is..... |
| A. | 40 |
| B. | 25 |
| C. | 150 |
| D. | 200 |
| Answer» B. 25 | |
| 844. |
The number of meiotic divisions required to produce 400 seeds in a pea plant is..... |
| A. | 200 |
| B. | 700 |
| C. | 500 |
| D. | 400 |
| Answer» D. 400 | |
| 845. |
Significance of meiosis......... |
| A. | The number of chromosomes is maintained in all cells. |
| B. | It is important process for evolution |
| C. | Due to division, cell can maintain their efficient size. |
| D. | A very significant contributing of mitosis is cell repair |
| Answer» B. It is important process for evolution | |
| 846. |
In which of the following matters mitosis and meiosis are similar ? |
| A. | Both are precede by DNA replication |
| B. | Both have pairing of homologous chromosomes |
| C. | Both process occurs in all kinds of cells |
| D. | Both include separation of paired chromosomes. |
| Answer» B. Both have pairing of homologous chromosomes | |
| 847. |
During which of the following phases of mitosis asters appear around the centroles ? |
| A. | Prophase |
| B. | Metaphase |
| C. | Anaphase |
| D. | Telophase |
| Answer» A. Prophase | |
| 848. |
During which stage of meiosis crossing over takes place ? |
| A. | Leptotene |
| B. | Zygotene |
| C. | Dikinesis |
| D. | Pachytene |
| Answer» C. Dikinesis | |
| 849. |
At which of the following stage4s of cell cycle proteins and microtubules, required for mitosis, are synthesized ? |
| A. | G2 phase |
| B. | G1 phase |
| C. | Interphase |
| D. | M phase |
| Answer» A. G2 phase | |
| 850. |
If the initial amout of DNA is denoted as 2C then it increases into : |
| A. | 2C |
| B. | 4C |
| C. | 8C |
| D. | 6C |
| Answer» B. 4C | |
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