Previous 10 Years Question Papers with Answers for TRB Science - 1
Question: 1
Armature of Dynamo is made with
(A) Ferro magnetic material
(B) Porcelain material
(C) Iron material
(D) Cu-material
Ans: C
Iron material
Question: 2
Who detected Rh factor?
(A) Landstenear and Vinear
(B) Landstenear
(C) Vinear
(D) Leeuwenhock
Ans: A
Landstenear and Vinear
Question: 3
What is the purest form of iron?
(A) Wrought iron
(B) Cast iron
(C) Steel
(D) Pig iron
Ans: A
Wrought iron
Question: 4
Which of the following is a non metal that remains liquid at room temperature?
(A) Phosphorous
(B) Chlorine
(C) Bromine
(D) Helium
Ans: C
Bromine
Question: 5
Clotting of blood vessels is called
(A) Agglutinisation
(B) Thrombosis
(C) Rheumatism
(D) Fibrosis
Ans: B
Thrombosis
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