UTpaper

Free mock tests & test series

RRB ALP · Topic-wise previous year questions

General Science Previous Year Questions

61 General Science questions asked in RRB ALP previous year papers, each with the correct answer and explanation. Read them free on UTpaper, or attempt the full papers as timed online tests.

  • 61 questions
  • 3 topics
  • Official answer key
  • Free
Attempt RRB ALP papers →

Practise by topic

Physics: Light & Sound 16Biology: Human Body 10Physics: Motion & Force 9
Q1RRB ALP CBT-1, 25 Nov 2024, Shift 2 (12:30 PM)
Fruits and seeds have a high concentration of which of the following plant hormones?
  1. AAuxin
  2. BGibberellin
  3. CCytokinin
  4. DAbscisic acid
Show answerHide answer

Correct answer: (C) Cytokinin

Q2RRB ALP CBT-1, 25 Nov 2024, Shift 2 (12:30 PM)
The resistance of a 10 m long copper wire is R ohm. What will be the resistance of a 5 m long copper wire?
  1. AQuestion content
  2. BQuestion content
  3. CQuestion content
  4. DQuestion content
Show answerHide answer

Correct answer: (A)

Q3RRB ALP CBT-1, 25 Nov 2024, Shift 3 (4:30 PM)
The first ____________transport aircraft was formally inducted into the Indian Air Force in 2023.
  1. AC-225 MW
  2. BC-275 MW
  3. CC-295 MW
  4. DC-250 MW
Show answerHide answer

Correct answer: (C) C-295 MW

Q4RRB ALP CBT-1, 25 Nov 2024, Shift 3 (4:30 PM)
How many water molecules are required to react with three molecules of the iron atom to form Fe O ? 3 4
  1. AQuestion content
  2. BQuestion content
  3. CQuestion content
  4. DQuestion content
Show answerHide answer

Correct answer: (A)

Q5RRB ALP CBT-1, 26 Nov 2024, Shift 1 (9:00 AM)
Which is the internal energy reserve in plants?
  1. AGlycogen
  2. BStarch
  3. CGlucose
  4. DSucrose
Show answerHide answer

Correct answer: (B) Starch

Q6RRB ALP CBT-1, 26 Nov 2024, Shift 2 (12:30 PM)
Which organelle is found ONLY in plant cells?
  1. AMitochondria
  2. BChloroplast
  3. CLysosome
  4. DNucleus
Show answerHide answer

Correct answer: (A) Mitochondria

Q7RRB ALP CBT-1, 26 Nov 2024, Shift 3 (4:30 PM)
Which elements of xylem tissue form interconnected water-conducting channels?
  1. AVessels and Xylem fibres
  2. BTracheids and Xylem fibres
  3. COnly Vessels
  4. DVessels and Tracheids
Show answerHide answer

Correct answer: (D) Vessels and Tracheids

Q8RRB ALP CBT-1, 27 Nov 2024, Shift 1 (9:00 AM)
Which of the following molecules acts as an information source for making proteins?
  1. ADeoxyribonucleic acid
  2. BCarbohydrates
  3. CRibonucleic acid
  4. DPhospholipids
Show answerHide answer

Correct answer: (A) Deoxyribonucleic acid

Q9RRB ALP CBT-1, 27 Nov 2024, Shift 2 (12:30 PM)
The Indian Air Force (IAF) contingent returned to India on 10 August 2024 after participating in Exercise ___________ in Malaysia.
  1. AGaruda
  2. BCope India
  3. CUdara Shakti
  4. DRed Flag
Show answerHide answer

Correct answer: (C) Udara Shakti

Q10RRB ALP CBT-1, 27 Nov 2024, Shift 2 (12:30 PM)
What percentage of solar energy is captured by green plants in terrestrial ecosystem?
  1. A10 percent
  2. B5 percent
  3. C100 percent
  4. D1 percent
Show answerHide answer

Correct answer: (D) 1 percent

Q11RRB ALP CBT-1, 27 Nov 2024, Shift 3 (4:30 PM)
In 2024, the Royal Australian Air Force debuted its combat aircraft in India during Exercise Tarang Shakti at which location?
  1. AAir Force Station, Pune
  2. BAir Force Station, Gwalior
  3. CAir Force Station, Agra
  4. DAir Force Station, Jodhpur
Show answerHide answer

Correct answer: (D) Air Force Station, Jodhpur

Q12RRB ALP CBT-1, 29 Nov 2024, Shift 2 (12:30 PM)
Which indigenously developed technology was used in the AKASH-NG missile during its flight test in 2024?
  1. AElectro-optical Seeker
  2. BRadio Frequency Seeker
  3. CLaser-guided Seeker
  4. DInfrared Seeker
Show answerHide answer

Correct answer: (B) Radio Frequency Seeker

Q13RRB ALP CBT-1, 29 Nov 2024, Shift 2 (12:30 PM)
Malarial parasite shows which type of asexual reproduction?
  1. ABinary fission
  2. BRegeneration
  3. CBudding
  4. DMultiple fission
Show answerHide answer

Correct answer: (D) Multiple fission

Q14RRB ALP CBT-1, 16 Feb 2026, Shift 1 (9:00 AM)
If an object is placed between the centre of curvature (C) and the focus (F) of a concave mirror, what type of image will be formed?
  1. ADiminished, real, and inverted
  2. BHighly enlarged and virtual
  3. CSame size, real, and upright
  4. DEnlarged, real, and inverted
Show answerHide answer

Correct answer: (D) Enlarged, real, and inverted

Q15RRB ALP CBT-1, 16 Feb 2026, Shift 1 (9:00 AM)
When a living plant cell loses water through osmosis, what happens to the cell contents?
  1. AThey remain unchanged
  2. BThey dissolve
  3. CThey swell and burst
  4. DThey contract and move away from the cell wall
Show answerHide answer

Correct answer: (D) They contract and move away from the cell wall

Q16RRB ALP CBT-1, 16 Feb 2026, Shift 1 (9:00 AM)
Match the columns. Epithelial Tissue Location I Cuboidal Epithelium A. Lining of intestine II Columnar Epithelium B. Skin III Squamous Epithelium C. Lining of kidney tubulesनिम्नलिखित स्तंभों को सुमेलित कीजिए। उपकला ऊतक स्थान I घनाभाकार उपकला A. आंत्र का आस्तर II स्तंभाकार उपकला B. त्वचा III शल्की उपकला C. वृक्क नलिकाओं का आस्तर
  1. AI-A; II-B; III-CI-A; II-B; III-C
  2. BI-A; II-C; III-BI-A; II-C; III-B
  3. CI-C; II-A; III-BI-C; II-A; III-B
  4. DI-B; II-C; III-AI-B; II-C; III-A
Show answerHide answer

Correct answer: (C) I-C; II-A; III-BI-C; II-A; III-B

Q17RRB ALP CBT-1, 16 Feb 2026, Shift 1 (9:00 AM)
To neutralise excess acidity in the stomach, one can take:आमाशय में अतिरिक्त अम्लता (acidity) को उदासीन करने के लिए , निम्नलिखित में से क्या उपाय किया जा सकता है ?
  1. ALemon juice
  2. BAntacids like Mg(OH) ₂
  3. CHCl solution
  4. DVinegar
Show answerHide answer

Correct answer: (B) Antacids like Mg(OH) ₂

Q18RRB ALP CBT-1, 16 Feb 2026, Shift 2 (12:30 PM)
Which type of cell has very small vacuoles?
  1. APlant cell
  2. BBacterial cell
  3. CFungal cell
  4. DAnimal cell
Show answerHide answer

Correct answer: (D) Animal cell

Q19RRB ALP CBT-1, 16 Feb 2026, Shift 2 (12:30 PM)
The colour of scattered light depends on the size of the scattering particles. Very fine particles scatter mainly which colour of light?
  1. ABlue light
  2. BRed light
  3. CGreen light
  4. DYellow light
Show answerHide answer

Correct answer: (A) Blue light

Q20RRB ALP CBT-1, 16 Feb 2026, Shift 2 (12:30 PM)
What is the product when ethanol reacts with sodium?
  1. ASodium ethoxide and hydrogen gas evolve during the reaction with ethanol.
  2. BSodium hydroxide and oxygen gas evolve during the reaction with ethanol.
  3. CSodium oxide and water evolve during the reaction with ethanol only.
  4. DSodium carbonate and hydrogen gas evolve during the reaction with ethanol.
Show answerHide answer

Correct answer: (A) Sodium ethoxide and hydrogen gas evolve during the reaction with ethanol.

Q21RRB ALP CBT-1, 16 Feb 2026, Shift 2 (12:30 PM)
When an object is placed at infinity in front of a convex lens, the image formed is:
  1. AReal, inverted, and at the focus
  2. BReal, erect, and at 2F
  3. CVirtual, erect, and at infinity
  4. DVirtual, inverted, and at the focus
Show answerHide answer

Correct answer: (A) Real, inverted, and at the focus

Q22RRB ALP CBT-1, 16 Feb 2026, Shift 2 (12:30 PM)
Which of the following option is INCORRECT about plasma membrane?
  1. AIt is outermost covering of the cell
  2. BPlasma membrane is made up of lipid and protein
  3. CIt is selectively permeable
  4. DIt is rigid in nature
Show answerHide answer

Correct answer: (D) It is rigid in nature

Q23RRB ALP CBT-1, 16 Feb 2026, Shift 3 (4:00 PM)
If an object is placed between infinity and the pole (P) in front of a convex mirror, what type of image will be formed?
  1. AReal, inverted, and enlarged
  2. BReal, inverted, and diminished
  3. CVirtual, erect, and diminished (smaller in size)
  4. DReal, erect, and same size as the object
Show answerHide answer

Correct answer: (C) Virtual, erect, and diminished (smaller in size)

Q24RRB ALP CBT-1, 16 Feb 2026, Shift 3 (4:00 PM)
The double-layered covering of the nucleus is called as ______
  1. ACell wall
  2. BNuclear membrane
  3. CChromatin wall
  4. DPlasma membrane
Show answerHide answer

Correct answer: (B) Nuclear membrane

Q25RRB ALP CBT-1, 16 Feb 2026, Shift 3 (4:00 PM)
The ability of the eye lens to adjust its focal length to see objects clearly at different distances is called:
  1. APower of accommodation
  2. BPower of convergence
  3. CRange of vision
  4. DPersistence of vision
Show answerHide answer

Correct answer: (A) Power of accommodation

Q26RRB ALP CBT-1, 16 Feb 2026, Shift 3 (4:00 PM)
When a positively charged alpha particle is passed through a thin gold foil, most of the particles pass straight through without deflection. Based on Thomson’s model of the atom, which of the following best explains this observation?
  1. AThe positive charge and mass are concentrated at the centre of the atom.
  2. BThe atom contains a small, dense nucleus that repels alpha particles.
  3. CThe positive charge is uniformly distributed throughout the atom, and electrons are embedded in it.
  4. DElectrons revolve around the nucleus in fixed orbits.
Show answerHide answer

Correct answer: (C) The positive charge is uniformly distributed throughout the atom, and electrons are embedded in it.

Q27RRB ALP CBT-1, 16 Feb 2026, Shift 3 (4:00 PM)
What happens at the boiling point of a liquid?
  1. AParticles remain fixed and do not move at all.
  2. BParticles expand slightly and remain in liquid form.
  3. CParticles lose energy and move closer together.
  4. DParticles gain enough energy to change into vapour.
Show answerHide answer

Correct answer: (D) Particles gain enough energy to change into vapour.

Q28RRB ALP CBT-1, 17 Feb 2026, Shift 1 (9:00 AM)
When a sound is produced, what travels through the medium?
  1. ABoth the particles and the disturbance
  2. BNeither particles nor disturbance
  3. CThe particles of the medium
  4. DThe disturbance created by the sound source
Show answerHide answer

Correct answer: (D) The disturbance created by the sound source

Q29RRB ALP CBT-1, 17 Feb 2026, Shift 1 (9:00 AM)
The reaction of sodium hydrogen carbonate upon heating produces:
  1. ASodium chloride, water, and hydrogen gas under normal heating
  2. BSodium hydroxide, oxygen, and carbon monoxide at high temperature
  3. CSodium carbonate, water, and carbon dioxide gas during cooking
  4. DSodium sulfate, hydrogen, and carbon dioxide when strongly heated
Show answerHide answer

Correct answer: (C) Sodium carbonate, water, and carbon dioxide gas during cooking

Q30RRB ALP CBT-1, 17 Feb 2026, Shift 1 (9:00 AM)
On reaching an organ or tissue, arteries divide into smaller and smaller vessels. The smallest vessels have walls that are one cell thick and are called:
  1. Acapillaries
  2. Bveins
  3. Carteries
  4. Darterioles
Show answerHide answer

Correct answer: (A) capillaries

Q31RRB ALP CBT-1, 17 Feb 2026, Shift 1 (9:00 AM)
Which of the following functions of mitochondria makes it a powerhouse of the cell?माइटोकॉन्ड्रिया के निम्नलिखित कार्यों में से कौन - सा कार्य , इसे कोशिका का बिजलीघर बनाता है ?
  1. AGeneration of ATP
  2. BGeneration of NADPH
  3. CGeneration of heat
  4. DGeneration of enzymes
Show answerHide answer

Correct answer: (A) Generation of ATP

Q32RRB ALP CBT-1, 17 Feb 2026, Shift 1 (9:00 AM)
Why is a colloid considered stable?
  1. AIts particles dissolve completely in the dispersion medium.
  2. BIts particles can be separated easily by filtration.
  3. CIts particles do not settle down when left undisturbed.
  4. DIts particles react chemically with the dispersion medium.
Show answerHide answer

Correct answer: (C) Its particles do not settle down when left undisturbed.

Q33RRB ALP CBT-1, 17 Feb 2026, Shift 2 (12:30 PM)
Which of the following processes is responsible for the transportation of soluble products formed by photosynthesis in different parts of plant?पौधे के विभिन्न भागों में प्रकाश संश्लेषण द्वारा निर्मित विलेय उत्पादों के परिवहन हेतु निम्नलिखित में से कौन - सी प्रक्रिया उत्तरदायी है ?
  1. ATranspiration
  2. BAssimilation
  3. CTermination
  4. DTranslocation
Show answerHide answer

Correct answer: (D) Translocation

Q34RRB ALP CBT-1, 17 Feb 2026, Shift 2 (12:30 PM)
If the energy of an electron in the second orbit of hydrogen is −3.4 eV, what is the energy in the fourth orbit?यदि हाइड्रोोजन की दूसरी कक्षा में इलेक्ट्रॉॉन की ऊर्जा −3.4 eV है , तो चौथी कक्षा में ऊर्जा कितनी होगी ?
  1. A−1.7 eV−1.7 eV
  2. B−6.8 eV−6.8 eV
  3. C−13.6 eV−13.6 eV
  4. D−0.85 eV−0.85 eV
Show answerHide answer

Correct answer: (D) −0.85 eV−0.85 eV

Q35RRB ALP CBT-1, 17 Feb 2026, Shift 2 (12:30 PM)
The cilia in the upper respiratory tract primarily help in:
  1. AAbsorbing oxygen
  2. BGas exchange
  3. CPumping blood to lungs
  4. DRemoving harmful particles from inhaled air
Show answerHide answer

Correct answer: (D) Removing harmful particles from inhaled air

Q36RRB ALP CBT-1, 17 Feb 2026, Shift 2 (12:30 PM)
Why do we feel cool after applying water on our skin in summer?
  1. AEvaporation of water absorbs heat from the skin surface
  2. BWater reduces sweat formation and retains body heat
  3. CWater increases body temperature by absorbing sunlight
  4. DCondensation of water releases energy on the skin surface
Show answerHide answer

Correct answer: (A) Evaporation of water absorbs heat from the skin surface

Q37RRB ALP CBT-1, 17 Feb 2026, Shift 3 (4:00 PM)
Consider the following chemical reactions: I: BaCl 2 (aq) + Na 2 SO 4 (aq) → BaSO 4 (s) + 2NaCl (aq) II: Pb(NO ) (aq) + KI (aq) → PbI (s) + 2KNO (aq) 3 2 2 3 Which of the following correctly classifies these reactions?निम्नलिखित रासायनिक अभिक्रियाओं पर विचार कीजिए : I: BaCl 2 (aq) + Na 2 SO 4 (aq) → BaSO 4 (s) + 2NaCl (aq) II: Pb(NO ) (aq) + KI (aq) → PbI (s) + 2KNO (aq) 3 2 2 3 निम्नलिखित में से कौन - सा विकल्‍प उपरोक्‍त अभिक्रियाओं को सही ढंग से वर्गीकृत करता है ?
  1. AI: Double displacement reaction; II: Displacement reaction
  2. BI: Double displacement reaction; II: Neutralisation reaction
  3. CI: Displacement reaction; II: Double displacement reaction
  4. DBoth are double displacement reactions
Show answerHide answer

Correct answer: (D) Both are double displacement reactions

Q38RRB ALP CBT-1, 17 Feb 2026, Shift 3 (4:00 PM)
When white light passes through a prism, different colours of light bend through different angles. Which colour bends the least and which bends the most?
  1. ABlue bends the least, yellow bends the most
  2. BRed bends the most, violet bends the least
  3. CRed bends the least, violet bends the most
  4. DBoth red and violet bend equally
Show answerHide answer

Correct answer: (C) Red bends the least, violet bends the most

Q39RRB ALP CBT-1, 17 Feb 2026, Shift 3 (4:00 PM)
A concave mirror is used in torches and car headlights because it:
  1. AAlways forms virtual images
  2. BReduces the brightness of light
  3. CCan produce a parallel beam of light
  4. DScatters light in all directions
Show answerHide answer

Correct answer: (C) Can produce a parallel beam of light

Q40RRB ALP CBT-1, 17 Feb 2026, Shift 3 (4:00 PM)
Which chamber of the heart sends deoxygenated blood to the lungs for oxygenation?
  1. ALeft ventricle
  2. BRight atrium
  3. CRight ventricle
  4. DLeft atrium
Show answerHide answer

Correct answer: (C) Right ventricle

Q41RRB ALP CBT-1, 17 Feb 2026, Shift 3 (4:00 PM)
Which of the following events happens when lysosomes in a cell burst?
  1. AEnzymes digest foreign particles only
  2. BCell division increases
  3. CCell becomes more active
  4. DEnzymes digest the cell’s own components
Show answerHide answer

Correct answer: (D) Enzymes digest the cell’s own components

Q42RRB ALP CBT-1, 17 Feb 2026, Shift 3 (4:00 PM)
LPG (Liquefied Petroleum Gas) is stored in cylinders in liquid form because:
  1. AIt reacts with air to form liquid
  2. BIt is cooled and compressed under high pressure
  3. CIt is solidified before use
  4. DIt is heated and expanded under low pressure
Show answerHide answer

Correct answer: (B) It is cooled and compressed under high pressure

Q43RRB ALP CBT-1, 18 Feb 2026, Shift 1 (9:00 AM)
Lenses in spectacles help correct vision defects due to:
  1. AReflection from mirrors
  2. BScattering of light
  3. CDispersion of light
  4. DRefraction of light through lenses
Show answerHide answer

Correct answer: (D) Refraction of light through lenses

Q44RRB ALP CBT-1, 18 Feb 2026, Shift 1 (9:00 AM)
Which of the following correctly describes lymph?
  1. AFluid that flows only inside arteries
  2. BFluid containing more proteins than blood plasma
  3. CColoured fluid rich in red blood cells
  4. DSimilar to plasma but colourless and low in proteins
Show answerHide answer

Correct answer: (D) Similar to plasma but colourless and low in proteins

Q45RRB ALP CBT-1, 18 Feb 2026, Shift 1 (9:00 AM)
No matter where an object is placed in front of it, a concave lens always forms an image that is:
  1. AReal, inverted, and enlarged
  2. BVirtual, erect, and diminished
  3. CReal, erect, and same size
  4. DVirtual, inverted, and enlarged
Show answerHide answer

Correct answer: (B) Virtual, erect, and diminished

Q46RRB ALP CBT-1, 18 Feb 2026, Shift 1 (9:00 AM)
Why does the palm feel cool when acetone is poured on it?
  1. AParticles remain still and reflect the surrounding heat.
  2. BParticles absorb energy from the palm and evaporate.
  3. CParticles release energy to the palm and condense.
  4. DParticles expand and trap air between skin layers.
Show answerHide answer

Correct answer: (B) Particles absorb energy from the palm and evaporate.

Q47RRB ALP CBT-1, 18 Feb 2026, Shift 2 (12:30 PM)
Thicker muscular walls are present in the ventricles of the heart due to which of the following reasons?
  1. ATo store blood before it enters the atria
  2. BTo pump blood with high pressure
  3. CTo receive blood from the body and lungs
  4. DTo control heartbeat and rhythm
Show answerHide answer

Correct answer: (B) To pump blood with high pressure

Q48RRB ALP CBT-1, 18 Feb 2026, Shift 2 (12:30 PM)
In onion peel and human cheek cells, the lightly stained region enclosed by the cell membrane is called:
  1. AVacuole
  2. BNucleus
  3. CCytoplasm
  4. DCell wall
Show answerHide answer

Correct answer: (C) Cytoplasm

Q49RRB ALP CBT-1, 18 Feb 2026, Shift 2 (12:30 PM)
Among the following, which structure is cup shaped at one end of coiled tube in kidney?निम्नलिखित में से कौन - सी संरचना गुर्दे में कुंडलित नली के एक छोर पर कप के आकार की होती है ?
  1. ACollecting duct
  2. BLoop of Henley
  3. CBowman’s capsule
  4. DGlomerulus
Show answerHide answer

Correct answer: (C) Bowman’s capsule

Q50RRB ALP CBT-1, 18 Feb 2026, Shift 2 (12:30 PM)
The lifetime of certain species is given in the following table. Calculate the modal lifetime (rounded up to one decimal place) in days. Lifetime 0-10 10-20 20-30 30-40 40-50 50-60 (days) Frequency 10 35 52 61 38 29कुछ प्रजातियों का जीवनकाल निम्नांकित तालिका में दिया गया है। दिनों में बहुलकी जीवनकाल ( दशमलव के एक स्थान तक पूर्णांकित ) की गणना कीजिए। जीवनकाल 0-10 10-20 20-30 30-40 40-50 50-60 ( दिन ) बारंबारता 10 35 52 61 38 29
  1. A2929
  2. B4040
  3. C36.536.5
  4. D32.832.8
Show answerHide answer

Correct answer: (D) 32.832.8

How to use these RRB ALP General Science questions

Every question here was asked in a real RRB ALP paper; the paper and shift are shown on the card, and the number opens the question on its own page. Try each one before tapping Show answer, then attempt the full RRB ALP papers as timed tests to check your speed under exam conditions.

More RRB ALP subjects

Mathematics 319Reasoning 254General Awareness 251