Related Questions

Administering a vaccine provides protection by inducing synthesis of antibodies (proteins) specific of the vaccine. The cell in the body responsible for the production of antibodies is
A Granulocyte
B Lymphocyte
C Erythrocyte (red blood cell)
D Platelet
In a sample of 50 people, 19 had type O blood, 22 had type A blood, 7 had type B blood and 2 had type AB blood. If a person is selected randomly, find the probability that the person has neither type A nor type O blood?
A 15/25
B 31/50
C 11/25
D 9/50
Type 1 workers can do three times the work of Type 2 workers. Twelve Type 1 workers can complete a task in 10 days. How many days would it have taken 4 Type 1 and 8 Type 2 workers to complete the same task?
A 16
B 17
C 20
D 18
An empty fuel tank of a car was filled with A type petrol. When the tank was half-empty, it was filled with B type petrol. Again when the tank was half-empty, it was filled with A type petrol. When the tank was half-empty again, it was filled with B type petrol. What is the percentage of A type petrol at present in the tank?
A 33.5%
B 37.5%
C 40%
D 50%
An empty fuel tank of a car was filled with A type petrol. When the tank was half-empty, it was filled with B type petrol. Again when the tank was half-empty, it was filled with A type petrol. When the tank was half-empty again, it was filled with B type petrol. What is the percentage of A type petrol at present in the tank ?
A 33.5%
B 37.5%
C 40%
D 50%
A company produces five types of shirts -- A,B,C,D and E-using cloth of three qualities -- high, medium and low , using dyes of three qualities-- high, medium and low. One shirt requires 1.5 m of cloth .The following table gives respectively : The number of shirts (of each category) produced, in thousands. The percentage distribution of cloth quality in each type of shirt, and The percentage distribution of dye quality in each type of shirt. What is the ratio of low quality dye used for C-type shirts to that used for D-type shirts ?
A 2:3
B 1:2
C 2:1
D 3:2
Polio রোগের Vaccine-
A OPV
B BCG
C Rubella
D Mumps
পেন্টা Vaccine এ কয়টি রোগের টিকা থাকে---
A ৩টি
B ৪টি
C ৫টি
D ৬টি
Choose the correct sentence quotation part : Even today, a century after Pasteur developed the first vaccine, rabies almost always kills "its victims unless inoculated" in the earliest stages of the disease.
A its victims unless inoculated
B its victims unless inoculation is done
C its victims unless they are inoculated
D the victims unless inoculated
P. to relax the vigil against the killer disease Q. for the development of an AIDS vaccine R. is not reason enough S. the on going research due to enter laboratory trails shortly
A PQSR
B QSRP
C SQRP
D SRQP

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