Q.1
is the formula for .....
  • Capacitive reactance
  • Inductive reactance
  • A.C. Impedance in a circuit with a higher inductive reactance than capacitive reactance
  • A.C. Impedance in a circuit with a lower inductive reactance than capacitive reactance
Q.2
Semiautonomous organelle in cell is:
  • Peroxisomes
  • Chloroplast
  • Endoplasmic reticulum
  • Golgi bodies
Q.3
The needle is used for microtrephine biopsy?
  • Salah
  • kelma
  • jamshidi-swaim
  • jamshid and Salah
Q.4
One cubic millimeter is equal to ....
  • 1 micro liter
  • 0.1 micro liter
  • 0.01 micro liter
  • 10 micro liter
Q.5
Which among the following is NOT a content of Hayem's fluid
  • sodium chloride
  • sodium citrate
  • sodium sulphate
  • mercuric chloride
Q.6
Corrected WBC count is calculation from?
  • UncorrectedWBCcount×100No.ofnucleated RBC/100 WBC+100\frac{UncorrectedWBCcount×100}{No.ofnucleated\ RBC/100\ WBC+100}No.ofnucleated RBC/100 WBC+100UncorrectedWBCcount×100​
  • UncorrectedWBCcount+100No.ofnucleated RBC/100 WBC×100\frac{UncorrectedWBCcount+100}{No.ofnucleated\ RBC/100\ WBC\times100}No.ofnucleated RBC/100 WBC×100UncorrectedWBCcount+100​
  • UncorrectedWBCcountNo.ofnucleated RBC/100 WBC\frac{UncorrectedWBCcount}{No.ofnucleated\ RBC/100\ WBC}No.ofnucleated RBC/100 WBCUncorrectedWBCcount​
  • UncorrectedWBCcount×10No.ofnucleated RBC/100 WBC+100\frac{UncorrectedWBCcount×10}{No.ofnucleated\ RBC/100\ WBC+100}No.ofnucleated RBC/100 WBC+100UncorrectedWBCcount×10​
Q.7
Using the principle of electrical impedance, cells are counted by?
  • measuring conductivity
  • measuring change in electrical resistance
  • measuring viscosity
  • measuring charge
Q.8
Expansion of VCS ? a)Volume conductivity scatteringc)Volume conduction stabilityb)Volume current stabilityd)Volume concentration sediment
  • Volume current scattering
  • Volume conductivity scattering
  • Volume conduction stability
  • Volume conductivity sediment
Q.9
Contents of Drabkin‘s reagent is?
  • Potassium ferricyanide+KCN+KH2PO4+ Non ionic detergent
  • Potassium ferricyanide +KCN+K2HPO4+ Non ionic detergent
  • Potassium ferricyanide+KCN+KH2PO4
  • Potassium ferrocyanide+KCN + KH2PO4
Q.10
Helper T-cells are activated by
  • Antigen specific signal
  • Co-stimulatory signal
  • Cytokine signal
  • All of these
Q.11
NK cells lack cell makers except
  • CD3
  • CD4
  • CD8
  • CD16
Q.12
Anticoagulant used to flush indwelling lines before blood collection ?
  • EDTA
  • heparin
  • potassium oxalate
  • sodium citrate
Q.13
Who invented homogenizer
  • Louis Pasteur
  • Rutherford
  • Leeuwenhoek
  • Auguste Gaulin
Q.14
The scientist who isolated Adenine and thymine
  • Frederich Miescher
  • Altmann
  • Macleod
  • Albrecht Kossel
Q.15
Nucleus is absent in
  • RBC and bacterium
  • RBC and sieve cells
  • RBC only
  • All of these
Q.16
The marker enzyme of cytoplasm is
  • Cathepsin
  • Lactate dehydrogenase
  • Glucose 6 phosphatase
  • ATP synthase
Q.17
Cell theory was proposed by
  • Beadle and Tatum
  • Robert Hooke
  • Schleiden and Schwann
  • Leeuwenhoek
Q.18
Work on ….….......by Pasteur led to the germ theory of disease?
  • Pasteurization
  • Fermentation
  • Microbes
  • Silkworm disease
Q.19
Father of chemotherapy is
  • Paul Ehrlich
  • Joseph Lister
  • Alexander Fleming
  • Robert Koch
Q.20
What is Ehrlich phenomenon?
  • About hypersensitivity reaction
  • About antibody production
  • Toxin-antitoxin interaction
  • None of these
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