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Complement activation by alternative pathway takes place by
A Shiga toxin
B Bacterial lipopolysaccharides
C Viral envelopes
D Cobra venom
E Antigen antibody complex
Complement activation is triggered by
A IgM
B IgG
C Cobra venom
D Exotoxin
E Decay-accelerating factor (DA
Complement activation takes place
A In the presence of endotoxin
B By more than one pathway
C As part of the tuberculin reaction
D In anaphylaxis
E By antigen IgA interaction
The result of complement activation is
A Chemotaxis of WBC
B Activation of phagocytic cell
C Cytolysis of target cell
D Mast cell degranulation
E Type-I hypersensitivity
ডেসিমেল সংখ্যা 9 এর 2's complement কত? (What is the 2's complement representation of the decimal number 9?)
A 00101111
B 01001001
C 11110111
D 11110110
'Stress-induced amnesia strikes the patient apparently without warning and the memory loss can be as complete as is induced by physical trauma.' which correction should be made to this sentence?
A replace 'strikes' with 'contracts'
B replace 'is' with 'that'
C remove 'apparently'
D change 'by' to 'in'
According to Fleming's right-hand rule for finding the direction of induced e.m.f., when middle finger points in the direction of induced e.m.f., forefinger will point in the direction of
A Motion of conductor
B Lines of force
C Either of the above
D None of the above
The stress induced in a body, when suddenly loaded, is _________ the stress induced when the same load is applied gradually.
A Equal to
B One-half
C Twice
D Four times
Subject + Linking verb + Complement can be found in -
A They do not seem nervous
B The telephone rang .
C She does not laugh
D She will buy Anindita a gift
কোন বিক্রিয়ায় সক্রিয়ন শক্তি ( activation energy) যত বেশি হবে সে বিক্রিয়ার গতি তত-
A কম হবে
B বেশি হবে
C বিক্রিয়ার গতি সক্রিয়ন শক্তির উপর নির্ভর করে না
D কোনটিই নয়

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