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Objective Questions

Latest Railway TGT Teacher Science Exam Question (Objective Questions), MCQ in English

Subjects : Science, General Awareness, General Intelligence and Reasoning, General Science, Mathematics

Question Bank Railway TGT Teacher (Science) Exam - English
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Science

Question 1Single Answer
Rancidity of food is an example of ____________reaction.              
  1. A
    Combinations
  2. B
    Decomposition
  3. C
    Displacement
  4. D
    Oxidation
Question 2Single Answer
Find the odd man out.
  1. A
    2H2 + O2 → 2HO
  2. B
    C + O2  → CO2 
  3. C
    CuSO2 + Fe → FeSO4 + Cu
  4. D
    2Na + CI2 → 2NaCI  
  5. E
    None of these
Question 3Single Answer
Find the odd man out.   
  1. A
    Vinegar
  2. B
    Caustic soda  
  3. C
    Washing soda 
  4. D
    Soap
  5. E
    None of these                                             
Question 4Single Answer
Which of the following is the pH value of pure water  ? 
  1. A
    0 
  2. B
    7
  3. C
    8
  4. D
    1
  5. E
    None of these
Question 5Single Answer
Which of the following is the chemical formula of caustic soda  ?                 
  1. A
    Na2CO3.10H20 
  2. B
    NaHCO3  
  3. C
    CaOCI2
  4. D
    NaOH                                           
  5. E
    None of these                                                                    
Question 6Single Answer
Find the odd man out. 
  1. A
    Iron  
  2. B
    Aluminium    
  3. C
    Zinc
  4. D
    Mercury                 
  5. E
    None of these                                  
Question 7Single Answer
Which of the following metals are highly resistant to corrosion?
  1. A
    Gold
  2. B
    Platinum 
  3. C
    Titanium
  4. D
    All of these
  5. E
    None of these
Question 8Single Answer
What  kind of bond will be formed between elements, if one of them belongs to group 16 and another belongs to group  14  ?
  1. A
    Ionic bond
  2. B
    Covalent bond
  3. C
    No bonding will take place
  4. D
    Coordinate bond 
  5. E
    None of these
Question 9Single Answer
Which of the following is an allotropes of carbon?
  1. A
    Diamond
  2. B
    Graphite 
  3. C
    Buckminster fullerene
  4. D
    All of these
  5. E
    None of these
Question 10Single Answer
Which of the following is the molecular formula of benzene?  
  1. A
    C6H6   
  2. B
    C6H10
  3. C
    C6H12
  4. D
    C6H14
  5. E
    None of these                                      
Question 11Single Answer
Which of the following is  not the limitations of Newlands Classification?
  1. A
    This law is application only upto the elements calcium.  
  2. B
    According to this law only 56 elements exist in nature and no new elements will be discovered in future
  3. C
    There were two or more elements together at the same place and in the same column.
  4. D
    Elements were arranged in order of the increasing order of the atomic number. 
  5. E
    None of these
Question 12Single Answer
Which of the following is required by autotrophs for producing food.?                
  1. A
    CO2 and H2O
  2. B
    Chlorophyll
  3. C
    Sunlight
  4. D
    All of these   
  5. E
    None of these                                    
Question 13Single Answer
Which of the following is the liquid part of the blood?            
  1. A
    Plasma
  2. B
    RBC
  3. C
    WBC
  4. D
    Platelet 
  5. E
    None of these
Question 14Single Answer
How does the plasmodium reproduce? 
  1. A
    Binary fission
  2. B
    Multiple fission 
  3. C
    Budding
  4. D
    Spore formation
  5. E
    None of these
Question 15Single Answer
What will be the colour of eye for a human having gene combination of Dd, if gene D which is dominant gives brown eye colour and d which is recessive gives blue eye colour?
  1. A
    Blue
  2. B
    Brown blue
  3. C
    Brown
  4. D
    Black
  5. E
    None of these
Question 16Single Answer
Pollen grains contain  __________ gametes of plant.                                                   
  1. A
    Male                    
  2. B
    Female         
  3. C
    Does not contain 
  4. D
    Zygote               
  5. E
    None                                    
Question 17Single Answer
Which of the following is non - biodegradable?
  1. A
    Wood
  2. B
    Cattle dung
  3. C
    DDT
  4. D
    Paper             
  5. E
    None of these                            
Question 18Single Answer
In the food chain that includes organisms, plants, mice and hawks , who Will have maximum concen tration of harmful chemical in its body?
  1. A
    Plants
  2. B
    Mice
  3. C
    Hawks
  4. D
    Mice and hawk
  5. E
    None of these
Question 19Single Answer
If an object absorbs all light falling on it, then it appears  :
  1. A
    Black                                      
  2. B
    White    
  3. C
    Red
  4. D
    Yellow    
  5. E
    None of these                    
Question 20Single Answer
An object should be placed at _______cm from a concave mirror to produce a diminished real image, if the concave mirror has focal length of 5cm.
  1. A
    10 
  2. B
    15
  3. C
    5
  4. D
    8
  5. E
    None of these
Question 21Single Answer
Which of the following contains sugar stored in them ?
  1. A
    Carrot and radish
  2. B
    Cinnamon and doves
  3. C
    Potato and pumpkin
  4. D
    Beetroot and sugarcane
Question 22Single Answer
Which of the following is the collective term used to signify the substance that helps in keeping our bones, eyes, teeth and gums healthy ?
  1. A
    Enzymes
  2. B
    Vitamins
  3. C
    Hormones
  4. D
    Proteins
Question 23Single Answer
Which of the following is not correctly matched ?
  1. A
    Sodium and potassium - fluid balance of the body
  2. B
    Iron - bones and teeth
  3. C
    Calcium - bones and teeth
  4. D
    Fluorine - tooth decay
Question 24Single Answer
A child has retarded growth, a large pot - like belly and swollen face. The disease he might be suffering from ?
  1. A
    diabetes
  2. B
    anaemia
  3. C
    marasmus
  4. D
    kwashiorkor
Question 25Single Answer
Match the following lists.
                  List - I                                        List - II
A. Growth and repair of tissues                     1. Sugar
B. Glucose                                                 2. Marasmus
C. PEM                                                      3. Scurvy
D. Vitamin - C                                             4. Proteins
Codes :
  1. A
    A B C D
    3 4 1 2
  2. B
    4 1 2 3
  3. C
    4 1 3 2
  4. D
    1 4 1 3
Question 26Single Answer
Pernicious anaemia is the deficiency disease of ?
  1. A
    iron
  2. B
    vitamin - K
  3. C
    vitamin - B12
  4. D
    iodine
Question 27Single Answer
Select from the following a group of diseases caused by deficiency of minerals ?
  1. A
    Rickets, kwashiorkor, goitre
  2. B
    Goitre, marasmus, kwashiorkor
  3. C
    Kwashiorkor, anaemia, goitre
  4. D
    Goitre, anaemia, osteoporosis
Question 28Single Answer
Adding salt and sugar to food substances help in preserving them for longer durations. It is because excess salt and water ?
  1. A
    cause rupturing of microbial cells
  2. B
    cause change in the shape of microbial cells
  3. C
    remove water from food
  4. D
    Plasmolysis the microbial cells
Question 29Single Answer
Metal which as a constituent of haemoglobin is ?
  1. A
    Cu
  2. B
    Zn
  3. C
    AI
  4. D
    Fe
Question 30Single Answer
The minerals that are required in the right amount for proper functioning of muscles are ?
  1. A
    iron and iodine
  2. B
    iron and calcium
  3. C
    sodium and potassium
  4. D
    iodine and fluorine
Question 31Single Answer
Washing the rice many times using a large amount of water before cooking leads to ?
  1. A
    loss of vitamin - E
  2. B
    loss of surface protein
  3. C
    loss of vitamin - B
  4. D
    loss of water soluble carbohydrates
Question 32Single Answer
Soluble vitamin pair in the water is ?
  1. A
    B and C
  2. B
    A and B
  3. C
    A and E
  4. D
    D and K
Question 33Single Answer
Match List - I with List - II.
   List - I                                         List - II
(Vitamins)                               (Chemical names)
A. Vitamin - B1                     1. Ascorbic acid
B. Vitamin - B2                     2. Riboflavin
C. Vitamin - A                       3. Thiamine
D. Vitamin - C                       4. Retinol
Codes :
  1. A
    A B C D
    4 2 3 1
  2. B
    3 2 4 1
  3. C
    2 3 4 1
  4. D
    3 1 4 2
Question 34Single Answer
Given below are some food items :
A. Boiled and mashed potato
B. Boiled and charred rice
C. A slice of bread
D. Sugar solution
E. Coconut oil
Which of the above will give blue-black colour when tested with iodine solution ?
  1. A
    A, B and C
  2. B
    A, C and E
  3. C
    A and C
  4. D
    B and D
Question 35Single Answer
Vitamin containing etal atom is ?
  1. A
    Vitamin - C
  2. B
    Vitamin - B6
  3. C
    Vitamin - B12
  4. D
    Vitamin - A
Question 36Single Answer
Radhika's gums are often bleeding and her wounds were taking longer time to heal. Her diet taking longer time to heal. Her diet could be deficient in which vitamin ?
  1. A
    Vitamin - B1
  2. B
    Vitamin - C
  3. C
    Vitamin - D
  4. D
    Vitamin - A
Question 37Single Answer
Cellulose-rich food substances (i.e., roughages) are considered an essential component of a balanced diet of human beings. Which one of the following is the correct statement about cellulose ?
  1. A
    Human beings do not have cellulose - digesting enzymes
  2. B
    Cellulose is a type of carbohydrate, which gets absorbed in the human blood and gives energy
  3. C
    Cellulose breaks down easily into smaller components which are egested as roughages
  4. D
    The cellulose - digesting bacteria present in human beings convert cellulose into fibres
Question 38Single Answer
Match List - I with List - II.
          List - I                             List - II
      (Vitamins)                     (Chemical names)
A. Vitamin - A                        1. Tocopherol
B. Vitamin - B                        2. Retinol
C. Vitamin - D                        3. Thiamine
D. Vitamin - E                        4. Calciferol
Codes :
  1. A
    A B C D
    4 1 3 2
  2. B
    2 3 4 1
  3. C
    2 3 1 4
  4. D
    4 3 1 2
Question 39Single Answer
Which one of the following is used as preservative ?
  1. A
    Sodium Benzoate
  2. B
    Ammonium Sulphate
  3. C
    Sodium Chloride
  4. D
    Copper Sulphate
Question 40Single Answer
Which of the following nutrients are present in milk ?
  1. A
    Protein, Iron, Vitamin - D
  2. B
    Protein, Calcium, Vitamin - D
  3. C
    Protein, Vitamin - C, Vitamin - A
  4. D
    Carbohydrates, Vitamin - C, Iron
Question 41Single Answer
Which of the following vitamin acts as hormone ?
  1. A
    Vitamin - E
  2. B
    Vitamin - D
  3. C
    Vitamin - C
  4. D
    Vitamin - B
Question 42Single Answer
Deficiency of vitamin 'X' causes bleeding of gums. This vitamin is essential for absorption of mineral 'Y' and 'X' is found in food 'Z'.Identify X, Y and Z ?
  1. A
    X - vitamin - B, Y - calcium, Z - green leafy vegetables
  2. B
    X - vitamin - A, Y - phosphorus, Z - poultry products
  3. C
    X - vitamin - D, Y - calcium, Z - milk product
  4. D
    X - vitamin - C, Y - iron, Z - citrus fruits
Question 43Single Answer
Assertion (A) : Lions do not eat grass.
Reason (R) : Many animals cannot digest cellulose.
Choose the correct option.
  1. A
    Both A and R are true and R is the correct explanation of A
  2. B
    Both A and R are true, but R is not the correct explanation of A
  3. C
    A is true, but R is false
  4. D
    A is false, but R is true
Question 44Single Answer
Assertion (A) : Cellulose rich, food substances are good source of roughage for human beings.
Reason (R1) : Cellulose gets absorbed and converted into fibres during digestion.
Reason (R2) : The cellulose digesting bacteria convert cellulose into fibres.
Choose the correct option.
  1. A
    A is true and R1 is correct explanation for A
  2. B
    A is true and R2 is correct explanation for A
  3. C
    A is false and R1 is true
  4. D
    A is false and R2 is true
Question 45Single Answer
Read the following statements.
A. Gases are soluble in liquids as well as in solids.
B. Gases which form ion in the solvent are soluble in that solvent.
C. Gases which can be liquefied easily are more soluble in water than the other gases which are not liquefied easily.
Which of the statement(s) given above is/are correct ?
  1. A
    A and B
  2. B
    B and C
  3. C
    Only A
  4. D
    All of these
Question 46Single Answer
Consider the following statements.
A. The amount of heat required to change 1 kg solid into liquid at atmospheric pressure and at its melting point is called the latent heat of fusion.
B. The phenomenon of change of a liquid into vapours at any temperature below its boiling point called sublimation.
C. The process of conversion of a liquid into its vapour is called boiling.
D. The process of converting solid into gaseous state is called evaporation.
Which of the above statement(s) given above is/are correct ?
  1. A
    Only A
  2. B
    B and D
  3. C
    A and C
  4. D
    B, C and D
Question 47Single Answer
Consider the following statements and choose the correct option.
A. No change in volume occurs on dissolving sugar in water.
B. Sugar particles go into the empty spaces present in the particles of water.
Codes :
  1. A
    Both statements A and B are false
  2. B
    Statement A is correct but statement B is false
  3. C
    Statement B is correct but Statement A is false
  4. D
    Both statements A and B are correct
Question 48Single Answer
Which of the following is/are true when milk changes into curd ?
A. The change cannot be reversed.
B. It changes taste.
C. Its state is changed from liquid to semi solid.
Choose the correct option from below.
  1. A
    Only A
  2. B
    A and B
  3. C
    B and C
  4. D
    All of these
Question 49Single Answer
Match the following Lists.
          List - I                              List - II
      (Process)                          (Changes)
A. Evaporation                  1. Liquid into gas
B. Sublimation                 2. Gas into liquid
C. Freezing                     3. Solid into gas
D. Melting                       4. Solid into liquid
                                      5. Liquid into solid
Codes :
  1. A
    A B C D
    2 3 3 4
  2. B
    1 3 5 4
  3. C
    4 3 2 1
  4. D
    5 3 1 2
Question 50Single Answer
Consider the following statements.
A. Latent means hidden
B. The amount of heat energy that is required to change 1 kg of a solid into liquid at atmospheric pressure at its melting point is known as the latent heat of fusion.
C. Water vapour at 273 K (100°C) have more energy than water at the same temperature.
Which of the above statement(s) is/are correct ?
  1. A
    Only A
  2. B
    A and B
  3. C
    B and C
  4. D
    All of these
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