IMPORTANT GOVERNMENT EXAM QUESTIONS ( RRB )

1) Alcohol is used as a thermometric liquid when it is desired to measure

A. High temperature
B. Very high temperature
C. Low temperature
D. None of the above

  Answer: Low temperature  


2) Heart, Brain, Lungs, Spinal Cord, Kidney and Liver are called

A. Vice Organs
B. Organs of the human body
C. Digestive system
D. Vital Organs

  Answer: Vital Organs  


3) Pneumonia is an infection of the

A. Nervous
B. Blood
C. Skin
D. Lungs

  Answer: Lungs  


4) A Universal blood donor has blood type

A. O
B. A
C. B
D. AB

  Answer: O  


5) Which of the following is/are digestive enzymes?

A. Trypsin
B. Lipase
C. Pepsin
D. All of the above

  Answer: All of the above  



6) Haemoglobin is used to transport _______ in humans.

A. Oxygen
B. Carbon Dioxide
C. Both are correct
D. Both are incorrect

  Answer: Oxygen  


7) Soda water contains

A. Carbonic acid
B. Sulphuric acid
C. Carbon dioxide
D. Nitrous acid

  Answer: Carbon dioxide  



8) What is the most basic criteria used to decide whether something is alive?

A. Walking
B. Breathing
C. Molecular movements
D. Life processes

  Answer: Life processes  



9) The most important ore of aluminium is

A. Galena
B. Calamine
C. Calcite
D. Bauxite

  Answer: Bauxite  


10) Most soluble in water is

A. Camphor
B. Sulphur
C. Common salt
D. Sugar

  Answer: Sugar  


11) Which of the following processes are essential for maintaining life?

A. Nutrition
B. Respiration
C. Transportation
D. All of the above

  Answer: All of the above  


12) The opening and closing of the stomatal pores is a function of the

A. Guard cells
B. Chloroplast
C. Xylem
D. Phloem

  Answer: Guard cells  



13) The process of dissolving an acid or a base in water is a highly

A. Exothermic reaction
B. Endothermic reaction
C. Sublimation reaction
D. Redux reaction

  Answer: Exothermic reaction  



14) The pH of acid rain is

A. More Than 5.6
B. Less than 5.6
C. Equal to 7
D. More than 7

  Answer: Less than 5.6  



15) Tomato contains

A. Acetic acid
B. Citric acid
C. Methanoic acid
D. Oxalic acid

  Answer: Oxalic acid  



16) Digestion of food stars in:

A. Intestine
B. Stomach
C. Liver
D. Mouth

  Answer: Stomach  



17) The greatest number of stars exists in

A. A Galaxy
B. Star Cluster
C. The Soler System
D. Comet

  Answer:  A Galaxy  



18) A re-usable space rocket is called

A. Apollo
B. Satellite
C. Space shuttle
D. Skylab


  Answer:  Space shuttle  



19) Which of the following diseases is caused by Virus?

A. Typhoid
B. Malaria
C. Diabetes
D. Flu

  Answer: Flu  



20) Which of the following ‘synthetic fibres’ was discovered first?

A. Nylon
B. Teryline
C. Polythene
D. Rayon

  Answer: Nylon