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If you are preparing for the RRB ALP exam<\/a><\/strong>, you simply cannot ignore General Science. In CBT 1, Science carries a massive 20 marks, making it a true game-changer. It covers basic Physics, Chemistry, and Biology. The best part is that these questions are direct 10th-level concepts, making them highly scoring. You do not need to read heavy books to get these free marks. To make things simple, we have provided exam-level questions with detailed solutions below. Solving these, along with attempting our free topic tests, will definitely help you prepare for this subject much more easily and quickly.<\/p>\n\n\n\n <\/p>\n\n\n\n <\/p>\n\n\n\n You do not need to read thick engineering or medical books to pass this section. The Railway Board only wants to check your basic knowledge about the daily science around us. You can divide the whole syllabus into three simple parts:<\/p>\n\n\n\n If you just focus on these basic topics from school books, General Science will become your most scoring subject.<\/p>\n\n\n\n Now you have understood what topics to study. But just reading theory is not enough. If you really want to score good marks, you should practice exam-level questions. Below, we have provided top repeated questions for Physics, Chemistry, and Biology to make your preparation complete.<\/p>\n\n\n\n Q1. What is the SI unit of Force?<\/p>\n\n\n\n (A) Joule Answer: (B) Newton<\/p>\n\n\n\n Explanation: Force is measured in Newtons. Joule is for Energy, Watt is for Power, and Pascal is used to measure Pressure.<\/p>\n\n\n\n Q2. Which instrument is used to measure electric current in a circuit?<\/p>\n\n\n\n (A) Voltmeter Answer: (C) Ammeter<\/p>\n\n\n\n Explanation: An Ammeter is always connected in a series circuit to measure the electric current flowing through it.<\/p>\n\n\n\n Q3. Which type of mirror is used by drivers as a rear-view mirror in vehicles?<\/p>\n\n\n\n (A) Plane Mirror Answer: (C) Convex Mirror<\/p>\n\n\n\n Explanation: A convex mirror is used because it makes objects look smaller, helping the driver see a very wide view of the traffic behind them.<\/p>\n\n\n\n Q4. Why does the clear sky appear blue during the daytime?<\/p>\n\n\n\n (A) Reflection of light Answer: (C) Scattering of light<\/p>\n\n\n\n Explanation: The tiny dust and gas particles in the air scatter the blue light from the sun in all directions because it has shorter waves.<\/p>\n\n\n\n Q5. Sound waves cannot travel through which of the following?<\/p>\n\n\n\n (A) Solid Answer: (D) Vacuum<\/p>\n\n\n\n Explanation: Sound needs a solid, liquid, or gas medium to travel. In a vacuum (like outer space), there is no air, so sound cannot travel at all.<\/p>\n\n\n\n Q6. What is the rate of change of velocity called?<\/p>\n\n\n\n (A) Speed Answer: (D) Acceleration<\/p>\n\n\n\n Explanation: When you speed up a vehicle, the velocity changes. This change in speed over time is known as acceleration.<\/p>\n\n\n\n Q7. The energy possessed by a body due to its motion is called:<\/p>\n\n\n\n (A) Potential Energy Answer: (B) Kinetic Energy<\/p>\n\n\n\n Explanation: Anything that is moving, like a running train or a flying bird, has Kinetic energy.<\/p>\n\n\n\n Q8. Ohm is the SI unit of which physical quantity?<\/p>\n\n\n\n (A) Electric Current Answer: (C) Electrical Resistance<\/p>\n\n\n\n Explanation: Resistance acts like a speed breaker for electricity, and it is measured in Ohms.<\/p>\n\n\n\n Q9. What are the primary colors of light?<\/p>\n\n\n\n (A) Red, Yellow, Blue Answer: (B) Red, Green, Blue<\/p>\n\n\n\n Explanation: In physics, the primary colors of light are Red, Green, and Blue. Mixing these colors can create any other color on screens.<\/p>\n\n\n\n Q10. Which device converts mechanical energy into electrical energy?<\/p>\n\n\n\n (A) Electric Motor Answer: (C) Dynamo (Generator)<\/p>\n\n\n\n Explanation: A dynamo or electric generator takes mechanical energy (like turning a wheel) and turns it into electrical energy.<\/p>\n\n\n\n <\/p>\n\n\n\n <\/p>\n\n\n\n Q1. Which of the following metals is liquid at room temperature?<\/p>\n\n\n\n (A) Iron Answer: (C) Mercury<\/p>\n\n\n\n Explanation: Mercury is the only common metal that remains liquid at room temperature. It is commonly used in thermometers.<\/p>\n\n\n\n Q2. What is the chemical name of common salt used in food?<\/p>\n\n\n\n (A) Sodium Carbonate Answer: (B) Sodium Chloride<\/p>\n\n\n\n Explanation: The chemical formula of common salt is NaCl, which stands for Sodium Chloride.<\/p>\n\n\n\n Q3. What is the pH value of pure water?<\/p>\n\n\n\n (A) 6 Answer: (B) 7<\/p>\n\n\n\n Explanation: Pure water is neutral. On the pH scale (0\u201314), a pH value of 7 represents complete neutrality.<\/p>\n\n\n\n Q4. Which acid is present in lemon or orange?<\/p>\n\n\n\n (A) Lactic acid Answer: (C) Citric acid<\/p>\n\n\n\n Explanation: Citrus fruits such as lemons and oranges contain citric acid. Lactic acid is present in curd.<\/p>\n\n\n\n Q5. Which gas is commonly known as “Laughing Gas”?<\/p>\n\n\n\n (A) Nitric oxide Answer: (C) Nitrous oxide<\/p>\n\n\n\n Explanation: Nitrous oxide (N\u2082O) is called laughing gas because inhaling it produces a feeling of relaxation and laughter.<\/p>\n\n\n\n Q6. Which of the following is the hardest naturally occurring substance?<\/p>\n\n\n\n (A) Gold Answer: (C) Diamond<\/p>\n\n\n\n Explanation: Diamond is the hardest natural substance and is composed entirely of carbon atoms arranged in a strong crystal structure.<\/p>\n\n\n\n Q7. Which highly reactive metal is stored under kerosene oil?<\/p>\n\n\n\n (A) Sodium Answer: (A) Sodium<\/p>\n\n\n\n Explanation: Sodium is very reactive and reacts violently with air and water. Therefore, it is stored safely under kerosene.<\/p>\n\n\n\n Q8. Bauxite is an ore of which metal?<\/p>\n\n\n\n (A) Iron Answer: (D) Aluminium<\/p>\n\n\n\n Explanation: Bauxite is the main rock or ore from which pure aluminium is extracted.<\/p>\n\n\n\n Q9. Which gas is filled in electric bulbs to prevent the filament from burning?<\/p>\n\n\n\n (A) Oxygen Answer: (C) Argon<\/p>\n\n\n\n Explanation: Argon is an unreactive noble gas. It does not react with the hot tungsten filament in bulbs, which increases the bulb\u2019s life.<\/p>\n\n\n\n Q10. What is the chemical name of Baking Soda?<\/p>\n\n\n\n (A) Sodium Carbonate Answer: (B) Sodium Bicarbonate<\/p>\n\n\n\n <\/p>\n\n\n\n <\/p>\n\n\n\n Q1. Which part of the cell is known as the “Powerhouse of the Cell”?<\/p>\n\n\n\n (A) Nucleus Answer: (C) Mitochondria<\/p>\n\n\n\n Explanation: Mitochondria produce energy for the cell to function properly, just like a powerhouse generates electricity for a city.<\/p>\n\n\n\n Q2. The disease “Scurvy” is caused by the deficiency of which vitamin?<\/p>\n\n\n\n (A) Vitamin A Answer: (C) Vitamin C<\/p>\n\n\n\n Explanation: A lack of Vitamin C causes Scurvy, which leads to bleeding gums. You can get Vitamin C by eating sour fruits like lemon.<\/p>\n\n\n\n Q3. Which blood group is known as the “Universal Donor”?<\/p>\n\n\n\n (A) AB Positive Answer: (B) O Negative<\/p>\n\n\n\n Explanation: People with an O Negative blood group can give blood to anyone in an emergency because their blood does not have A, B, or Rh antigens.<\/p>\n\n\n\n Q4. Which tissue in plants is responsible for the transport of water from roots to leaves?<\/p>\n\n\n\n (A) Phloem Answer: (C) Xylem<\/p>\n\n\n\n Explanation: A simple trick to remember this: “Xylem” sounds like “Jal” (water). So, Xylem transports water. Phloem transports food.<\/p>\n\n\n\n Q5. Which gland in the human body is called the “Master Gland”?<\/p>\n\n\n\n (A) Thyroid Gland Answer: (B) Pituitary Gland<\/p>\n\n\n\n Explanation: The pituitary gland is located in the brain. It is called the master gland because it controls the working of almost all other glands.<\/p>\n\n\n\n Q6. Malaria is caused by which of the following?<\/p>\n\n\n\n (A) Virus Answer: (D) Protozoa<\/p>\n\n\n\n Explanation: Malaria is caused by a protozoan parasite called Plasmodium, which is spread by the bite of infected female Anopheles mosquitoes.<\/p>\n\n\n\n Q7. What is the longest and strongest bone in the human body?<\/p>\n\n\n\n (A) Tibia Answer: (C) Femur<\/p>\n\n\n\n Explanation: The Femur, also known as the thigh bone, is the longest, heaviest, and strongest bone in the entire human body.<\/p>\n\n\n\n Q8. Which instrument is used by doctors to measure blood pressure?<\/p>\n\n\n\n (A) Stethoscope Answer: (B) Sphygmomanometer<\/p>\n\n\n\n Explanation: A sphygmomanometer is the medical machine (usually with an arm cuff and a pump) used to check your blood pressure.<\/p>\n\n\n\n Q9. The gas released by plants during the process of photosynthesis is:<\/p>\n\n\n\n (A) Carbon dioxide Answer: (C) Oxygen<\/p>\n\n\n\n Explanation: During photosynthesis, plants take in Carbon Dioxide from the air and release pure Oxygen, which helps humans breathe.<\/p>\n\n\n\n Q10. Which organ in the human body is responsible for filtering the blood and making urine?<\/p>\n\n\n\n (A) Liver Answer: (B) Kidney<\/p>\n\n\n\n Explanation: The kidneys act like water filters in our body. They clean the waste and extra water from our blood, which comes out as urine.<\/p>\n\n\n\n <\/p>\n\n\n\n <\/p>\n\n\n\n You do not have the time to read thick science books, and honestly, you do not need to. Here are 5 smart and easy tips to cover this entire section quickly:<\/p>\n\n\n\n <\/p>\n\n\n <\/p>\n\n\n\n Join our exclusive Telegram group for expert guidance, personalized tips, and real-time solutions to boost your SSC exam prep. [Click here to join now!<\/a>]<\/em><\/strong><\/p>\n\n\n\n <\/p>\n\n\n\nWhat to Study in General Science for RRB ALP?<\/h2>\n\n\n\n
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Important General Science Questions for RRB ALP<\/h2>\n\n\n\n
Physics Questions for RRB ALP<\/h3>\n\n\n\n
(B) Newton
(C) Watt
(D) Pascal<\/p>\n\n\n\n
(B) Galvanometer
(C) Ammeter
(D) Barometer<\/p>\n\n\n\n
(B) Concave Mirror
(C) Convex Mirror
(D) Cylindrical Mirror<\/p>\n\n\n\n
(B) Refraction of light
(C) Scattering of light
(D) Dispersion of light<\/p>\n\n\n\n
(B) Liquid
(C) Gas
(D) Vacuum<\/p>\n\n\n\n
(B) Momentum
(C) Force
(D) Acceleration<\/p>\n\n\n\n
(B) Kinetic Energy
(C) Chemical Energy
(D) Heat Energy<\/p>\n\n\n\n
(B) Voltage
(C) Electrical Resistance
(D) Power<\/p>\n\n\n\n
(B) Red, Green, Blue
(C) Orange, Green, Violet
(D) Red, White, Black<\/p>\n\n\n\n
(B) Transformer
(C) Dynamo (Generator)
(D) Battery<\/p>\n\n\n\nChemistry Questions for RRB ALP<\/h3>\n\n\n\n
(B) Zinc
(C) Mercury
(D) Aluminum<\/p>\n\n\n\n
(B) Sodium Chloride
(C) Potassium Chloride
(D) Sodium Bicarbonate<\/p>\n\n\n\n
(B) 7
(C) 8
(D) 14<\/p>\n\n\n\n
(B) Acetic acid
(C) Citric acid
(D) Formic acid<\/p>\n\n\n\n
(B) Nitrogen dioxide
(C) Nitrous oxide
(D) Ammonia<\/p>\n\n\n\n
(B) Iron
(C) Diamond
(D) Graphite<\/p>\n\n\n\n
(B) Calcium
(C) Magnesium
(D) Copper<\/p>\n\n\n\n
(B) Copper
(C) Gold
(D) Aluminium<\/p>\n\n\n\n
(B) Hydrogen
(C) Argon
(D) Carbon dioxide<\/p>\n\n\n\n
(B) Sodium Bicarbonate
(C) Calcium Carbonate
(D) Sodium Hydroxide<\/p>\n\n\n\nBiology Questions for RRB ALP<\/h3>\n\n\n\n
(B) Ribosome
(C) Mitochondria
(D) Lysosome<\/p>\n\n\n\n
(B) Vitamin B
(C) Vitamin C
(D) Vitamin D<\/p>\n\n\n\n
(B) O Negative
(C) A Positive
(D) B Negative<\/p>\n\n\n\n
(B) Stomata
(C) Xylem
(D) Cortex<\/p>\n\n\n\n
(B) Pituitary Gland
(C) Adrenal Gland
(D) Pancreas<\/p>\n\n\n\n
(B) Bacteria
(C) Fungi
(D) Protozoa<\/p>\n\n\n\n
(B) Radius
(C) Femur
(D) Fibula<\/p>\n\n\n\n
(B) Sphygmomanometer
(C) Thermometer
(D) Barometer<\/p>\n\n\n\n
(B) Nitrogen
(C) Oxygen
(D) Hydrogen<\/p>\n\n\n\n
(B) Kidney
(C) Heart
(D) Lungs<\/p>\n\n\n\n5 Simple Tips to Prepare for General Science for RRB ALP<\/h2>\n\n\n\n
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