Railway Recruitment Board Entrance Exams Question Paper & Answer (010)

1. When a ray of light passes from an optically denser medium to a rarer medium, it
(a) Remains undeviated
(b) Bends towards normal
(c) Bends away from normal
(d) None of these
Ans: (c)

2.Who is the author of "Anandmath" ?
(a) Rabindranath Tagore
(b) Bankim chandra Chattopadhyaya
(c) Sarojini Nayadu
(d) Jyotiba Phule
Ans: (b)

3. Thimpu is the capital of -
(a) Nepal
(b) Bhutan
(c) Thailand
(d) Myanmar
Ans: (b)

4. The time period of a seconds pendulum is
(a) 1 second
(b) 4 seconds
(c) 3 seconds
(d) 2 seconds
Ans: (b)

5. The nuclear fuel in the sun is
(a) Helium
(b) Uranium
(c) Hydrogen
(d) Oxygen
Ans: (c)



6. The second’s hand of a watch is 2 cm long. The velocity of its tip is
(a) 0.21 cm/sec.
(b) 2.1 cm/sec.
(c) 21 cm/sec.
(d) None of these
Ans: (a)

7. In diesel engine, ignition is caused by
(a) Spark
(b) Automatic starter
(c) Compression
(d) Friction
Ans: (c)

8. The mass-energy equivalence, relationship E = mc2 was propounded by
(a) Max Plank
(b) Einstein
(c) Newton
(d) Hertz
Ans: (b)

9. The filament of bulb is made of
(a) Tungsten
(b) Iron
(c) Nichrome
(d) Carbon
Ans: (a)

10. Anti-knocking can be lessened by
(a) Iso Octane
(b) N Heptane
(c) TEL
(d) Benzene
Ans: (a)

11. In which of the following oxidation shows a positive oxidation state.
(a) CO
(b) N2O
(c) NO
(d) F2O
Ans: (d)

12. Which of the following is used in photography?
(a) Silver Bromide
(b) Sodium Bromide
(c) Potassium Chloride
(d) Sodium Sulphate
Ans: (a)

13. Which of the following is used in accumulator cell?
(a) Copper
(b) Iron
(c) Lead
(d) Zinc
Ans: (c)

14. Choose the wrong statement :
(a) Single magnetic poles can exist
(b) Magnetic poles are always of equal strength
(c) Like poles repel each other
(d) None of these
Ans: (a)

15. Laws of electrolysis are given by:
(a) Farady
(b) Maxwell
(c) Lenz
(d) Bohr
Ans: (a)

16. Flemings left hand rule is used to fine out:
(a) Direction of magnetic field due to flow of current
(b) Direction of induced current due to effect of magnetic field
(c) Direction of motion of a current carrying conductor in magnetic field
(d) None of these
Ans: (c)

17. The pH of a neutral solution at 250C is :
(a) 0
(b) 1.0
(c) 7.0
(d) 1.4
Ans: (c)

18. The raw material used for the manufacture of Portland cement is:
(a) Limestone and clay
(b) Alumina, clay and gypsum
(c) Gypsum and limestone
(d) Gypsum and clay
Ans: (b)

19. CaOCI2 is the chemical formula for a compound commonly known as:
(a) Soda Ash
(b) Lime
(c) Bleaching Powder
(d) Plaster of Paris
Ans: (c)

20. The glass used for making laboratory apparatus is:
(a) Pyrex glass
(b) Hard glass
(c) Soft glass
(d) Safety glass
Ans: (a)

21. The iron produced in blast furnace is :
(a) Pig iron
(b) Wrought iron
(c) Stainless steel
(d) Steel
Ans: (a)

22. Formation is a 40% solution of :
(a) Methanol
(b) Methenal
(c) Methanoic acid
(d) None of these
Ans: (b)

23. Which of the following is not an ore of aluminium :
(a) Cryolite
(b) Feldspar
(c) Bauxite
(d) Azurite
Ans: (d)

24. Rhombic monoclinic and plastic sulphur are:
(a) Isomers
(b) Isotopes
(c) Allotropes
(d) Hydrides of sulphur
Ans: (c)

25. The alkaline hydrolysis of oils or fats gives soap and :
(a) Glycerol
(b) Ethenol
(c) Glycol
(d) Ethanoic acid
Ans: (a)

26. The sight of a delicious food usually makes month watery. It is a :
(a) Hormonal response
(b) Neural response
(c) Optic response
(d) Olfactory response
Ans: (d)

27. Nitrogen fixing bacteria are normally found in :
(a) Parasitic plants
(b) Epiphytic plants
(c) Leguminous plants
(d) Aquatic plants
Ans: (c)

28. Powdery mildew of wheat is caused by:
(a) Bacteria
(b) Virus
(c) Fungi
(d) Protozoans
Ans: (c)

29. Septic sore throat is caused by :
(a) Bacteria
(b) Virus
(c) Fungi
(d) Protozoans
Ans: (a & b)

30. A person of blood group AB can give blood to :
(a) ‘A’ and ‘B’
(b) Only ‘AB’
(c) ‘A’, ‘B’ and ‘O’
(d) All of these
Ans: (b)