Railways General Science Question Bank for RRB ALP & Group D Q. 1 In plants, which of the following converts light energy into chemical energy? A. Chlorophyll B. Guard Cells C. Stomata D. Cuticle Q. 2 Name the energy currency for most cellular processes. A. pH B. Pyruvate C. ATP D. Glucose Q.3 Urethra is a part of which system in the human body? A. Autonomous Nervous System B. Excretory System C. Central Nervous System D. Olfactory System Q.4 Gibberellins help in the growth of A. Stems B. Fruits C. Seeds D. Shoot 1|Page

Q.5 If a patient is suffering from diabetes, a doctor is likely to ister which of the following injections? A. Glucose B. Insulin C. Penicillin D. Multi-vitamin Q.6 Binary fission is seen in A. Amoeba B. Plasmodium C. Spirogyra D. Hydra Q.7 The plant cell wall is mainly composed of A. Plastids B. Chlorophyll C. Cellulose D. Stomata Q.8 Which cell organelle plays a central role in cellular reproduction? A. Plastids B. Food Vacuoles C. Mitochondria D. Nucleus Q.9 Blood is a type of which tissue? A. Epithelial tissue B. Connective tissue C. Nervous tissue 2|Page

D. Muscular tissue Q.10 Diatoms are A. unicellular eukaryotic organisms B. symbiotic blue-green algae C. heterotrophic eukaryotic organisms D. slow growing lichens Q.11 Massive amounts of gaseous exchange takes place in the leaves through A. Stomata B. Stroma C. Petiole D. Midrib Q.12 Which of the following are called biological catalysts? A. Enzymes B. Proteins C. Carbohydrates D. ATP Q.13 In human beings, the respiratory pigment is A. ATP B. Haemoglobin C. ADP D. Carotene Q.14 Blood consists of a fluid medium called A. Platelets 3|Page

B. Serum C. Plasma D. Mucus Q.15 Amphibians and many reptiles have ________hearts A. two-chambered B. three-chambered C. four-chambered D. five-chambered Q.16 Which instrument is used to measure blood pressure? A. Sphygmomanometer B. Barometer C. Glucometer D. Spirometer Q.17 Which of the following is associated with movement of water in plants? A. Xylem B. Phloem C. Chlorophyll D. Mitochondria Q.18 In the human body, gustatory receptors detect A. taste B. touch C. smell D. light Q.19 Dendrite and Axon are parts of 4|Page

A. Nephrons B. Neurons C. Nuclei D. Kidneys Q.20 Adrenaline is A. A hormone B. An Enzyme C. A gland D. A type of nerve cell Q. 21 Calcium oxide reacts vigorously with water to produce calcium hydroxide releasing a large amount of heat. This is an example of A. combination reaction B. decomposition reaction C. displacement reaction D. double displacement reaction Q. 22 What will happen if the pH in your mouth is below 5.5? A. Bacteria in the mouth will get killed B. Bacteria in the mouth will neutralize the access acid C. Bacteria in the mouth will produce sugar by degradation of acids D. Tooth enamel will get corroded Q.23 What is Aqua Regia? A. freshly prepared mixture of dilute hydrochloric acid and concentrated sulphuric acid in the ratio of 5:3

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B. Freshly prepared mixture of concentrated hydrochloric acid and concentrated nitric acid in the ratio of 3:1 C. Freshly prepared mixture of concentrated nitric acid and concentrated hydrochloric acid in the ratio of 3:6 D. Freshly prepared mixture of concentrated hydrochloric acid and concentrated sulphuric acid in the ratio of 2:3 Q.24 Diamonds can be synthesized by A. reacting carbon and sulphuric acid B. electrolysis of pure carbon and lead C. subjecting pure carbon to very high pressure and temperature D. double decomposition of carbon dioxide and nitric acid Q.25 Döbereiner, a German chemist, tried to arrange the elements with similar properties into groups. What did he call these groups? A. Triads B. Triplets C. Trios D. Trinities Q.26 How many atoms of Oxygen unite to form a molecule of Ozone? A. 2 B. 3 C. 4 D. 5 Q.27 What is the chemical formula of aluminum oxide? A. Al2O3 B. Al2O4 6|Page

C. AlO3 D. Al2O5 Q.28 2H2+ O2 → 2H2O What does the above chemical reaction indicate? A. Two molecules of hydrogen combine with one molecule of oxygen to form two molecules of water B. Two molecules of hydrogen combine with two molecules of oxygen to form two molecules of water C. Two atoms of hydrogen combine with one atom of oxygen to form two atoms of water D. Four molecules of hydrogen combine with one molecule of oxygen to form four molecules of water Q.29 Which shell is closest to the nucleus of an atom? A. K shell B. L shell C. M shell D. N shell Q.30 Protium, Deuterium and Tritium are atomic species of A. Iodine B. Chlorine C. Oxygen D. Hydrogen Q.31 A change of state directly from solid to gas without changing into liquid state is called 7|Page

A. Sublimation B. Condensation C. Evaporation D. Transpiration Q.32 An alloy contains 30% zinc and 70% copper. What is the name of this alloy? A. Brass B. Bronze C. German Silver D. Steel Q.33 A solution contains 50 g of common salt in 340 g of water. Calculate the mass of the solution. A. 290 g B. 6.8 g C. 680 g D. 390 g Q.34 Solid carbon dioxide is also called as A. Dry ice B. Hail stones C. Compressed carbon D. Rock salt Q.35 What is humidity? A. The amount of humus in the soil B. The amount of water vapour present in air C. Human density in a particular region D. Human birth rate 8|Page

Q.36 What is a Colloid? A. A heterogeneous mixture B. A type of rubber C. A plant product D. A kind of alloy Q.37 What is the symbol for Potassium? A. K B. Pt C. Po D. Ps Q.38 What is an Ion? A. A negatively or positively charged particle B. The nucleus of an atom C. A negative neutron D. A group of photons Q.39 The relative molecular mass of water (H2O) is A. 17 u B. 18 u C. 63 u D. 100 u Q.40 What is the formula unit mass of CaCl2? A. 35.5 u B. 40 u C. 71 u 9|Page

D. 111 u Q. 41 Avogadro Constant is an experimentally obtained value. What is this value? A. 6.022 × 1023 B. 7.022 × 1023 C. 8.022 × 1023 D. 9.022 × 1023 Q.42 Magnesium Ribbon burns with a A. sparkling blue flame B. dazzling white flame C. bright yellow flame D. pale reddish brown flame Q.43 Iron articles are shiny when new, but they get coated with a reddish brown powder when left for a few months. This process is commonly known as A. rusting of iron B. rotting of iron C. electroplating of iron D. galvanizing of iron Q.44 Methyl Orange and Phenolphthalein are used to test for acids and bases. What are such chemicals called? A. Synthetic indicators B. Catalysts C. Residues D. Enzymes Q.45 The reaction between an acid and a base to give a salt and water is known as a 10 | P a g e

A. neutralisation reaction B. alkaline reaction C. basic reaction D. alkaline-base reaction Q.46 Bleaching Powder is produced by the action of Chlorine on A. sea water B. rock salt C. mineral water D. dry slaked lime Q.47 Which of the following is used in the kitchen for faster cooking? A. Rock salt B. Baking soda C. Common salt D. Vinegar Q.48 Calcium Sulphate Hemihydrate is also called A. Washing soda B. Rock salt C. Plaster of Paris D. Baking soda Q.49 Polyvinylchloride is A. A hard metallic substance B. A rubber-like material C. A good conductor of heat D. A good conductor of electricity 11 | P a g e

Q.50 What is Tincture of Iodine? A. A solution of iodine in alcohol B. A solution of iodine in water C. A solution of iodine in tartaric acid D. A solution of iodine in hydrochloric acid Q.51 Where is Jim Corbett National Park located in India? A. Golaghat and Nagaon districts of the state of Assam B. Sawai Madhopur District of Rajasthan C. Nainital district of Uttarakhand D. Seoni and Chhindwara districts of Madhya Pradesh Q.52 Black soil is also called as A. Regur Soil B. Alluvial Soil C. Laterite Soil D. Arid Soil Q.53 The Asiatic Cheetah and Pink Head Duck are examples of A. Normal Species B. Endangered Species C. Vulnerable Species D. Extinct Species Q.54 Kharif, Rabi and Zaid are A. cropping seasons B. plant products C. water irrigation methods D. superior variety of crops 12 | P a g e

Q.55 What is Sericulture? A. Cultivation of food crops B. Rearing of silkworms for the production of silk fibre C. Production of sugar from sugarcane D. Extraction of serum from blood of animals Q.56 Which one of the following divides India into almost two equal parts? A. Tropic of Cancer B. Tropic of Capricorn C. Equator D. Prime Meridian Q.57 The outer most range of the Himalayas is called the A. Purvachal B. Shiwaliks C. Kumaon D. Kankar Q.58 What are Barchans? A. Formation of black soil B. A tableland composed of the old crystalline, igneous and metamorphic rocks C. Crescent shaped dunes D. Rocks made of calcareous deposits Q.59 Where is India’s only active volcano found? A. Dodabetta in the Nilgiri Hill ranges B. Mahendragiri in the Eastern Ghats C. Lakshadweep Islands 13 | P a g e

D. Barren Island in Andaman and Nicobar group of Islands Q.60 What percent of the world’s surface is covered with water? A. 21 B. 51 C. 71 D. 97 Q. 61 Where is the Sambhar lake situated in India? A. Rajasthan B. Madhya Pradesh C. Karnataka D. Maharashtra Q. 62 Fauna refers to A. plants of a particular region B. species of animals C. rock formation D. aquatic plants Q.63 Gir Forest is in A. Maharashtra B. Gujarat C. West Bengal D. Karnataka Q.64 The distribution of the population according to different types of occupation is referred to as the A. occupational structure 14 | P a g e

B. growth structure C. company structure D. distributive structure Q.65 Adolescents are generally grouped in the age-group of A. 5 to 9 years B. 10 to 19 years C. 20 to 25 years D. 26 to 30 years Q.66 Which is the hottest planet in our solar system? A. Mercury B. Venus C. Mars D. Earth Q.67 Where is the headquarters of ISRO located? A. Antariksh Bhavan, Bengaluru B. Anand Bhavan, Mumbai C. Pragathi Bhavan, Telangana D. Raj Bhavan, Tamil Nadu Q.68 What is Afforestation? A. The action of planting trees on an area of land in order to make a forest B. The removal of weeds from a forest C. Introduction of water resources in a forest D. Rainwater harvesting in a forest that receives less than 100 cm of rainfall Q.69 The Indian Wildlife (Protection) Act was implemented in 15 | P a g e

A. 1948 B. 1960 C. 1967 D. 1972 Q.70 Roof top rain water harvesting is the most common practice in A. Shillong, Meghalaya B. Pune, Maharashtra C. Kolkata, West Bengal D. Panaji, Goa Q.71 Silicon is mainly used in the production of A. Solar cells B. Dry cells C. Lithium-ion cells D. Rechargeable cells Q.72 You are enjoying a ride on a merry-go-round, which is moving with constant speed of 15m/s? This implies that you are A. moving with uniform velocity B. at rest C. moving with no acceleration D. in accelerated motion Q.73 At train starts from rest at an acceleration of 2 m/s2. The distance covered by the train in 10 seconds is A. 10 m B. 20 m C. 40 m 16 | P a g e

D. 100 m Q.74 In an electrical circuit, the current ing through a conductor, such as a copper wire, varies inversely with the resistance. If a current of 10 amperes is ed through the circuit, the resistance is found to be 18 ohms. What is the current when the resistance is 20 ohms? A. 9 amperes B. 18 amperes C. 20 amperes D. 22 amperes Q.75 A device that converts electrical energy into mechanical energy. A. Motor B. Dynamo C. Wind turbine D. Transformer Q.76 Gases are highly compressible as compared to solids and liquids. Which of the following is an example of a highly compressed gas? A. CNG B. Methane C. Carbon dioxide D. Ozone Q.77 In a solid, what is an indication of the strength of the force of attraction between its particles? A. Boiling point B. Melting point 17 | P a g e

C. Sublimation point D. Flow of electrons Q.78 What is the refractive index of water? A. 1.33 B. 1.46 C. 1.52 D. 2.42 Q.79 The SI unit of power of a lens is A. Pascal B. Joules C. Diopter D. Candela Q.80 Iris and cornea are associated with A. The eyes B. The heart C. The lungs D. The kidneys Q.81 Myopia is A. A disease of the human brain B. A kind of pigment C. A component of blood D. near-sightedness Q. 82 The splitting of light into its component colours is called A. Reflection 18 | P a g e

B. Refraction C. Dilution D. Dispersion Q.83 The phenomenon of scattering of light by the colloidal particles gives rise to A. Tyndall effect B. Edison effect C. Bose effect D. Kaleidoscope effect Q.84 Electrons move only if there is a _______along the conductor. A. Resistor B. Transistor C. Potential difference D. Voltage imbalance Q.85 1 volt = A.

B.

1jule 1 coulomb

1coulomb 1 jule

C. 1 coulomb x 1 jule

D.

1coulomb x 1 jule 1 ohm

Q.86 1 ohm = A.

1ampere 1 volt

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B.

C.

1volt 1 ampere

1coulomb x 1 jule 1 volt

D. 1 volt x 1 ampere Q.87 A conductor having some appreciable resistance is called a A. Anode B. Resistor C. Cathode D. Capacitor Q.88 1 kW h = A. 3.6 × 106 joule B. 36 × 106 joule C. 360 × 106 joule D. 0.36 × 106 joule Q.89 A coil of many circular turns of insulated copper wire wrapped closely in the shape of a cylinder is called a A. Solenoid B. Resistor C. Metalloid D. Colloid Q.90 Which instrument can detect the direction and the magnitude of a current? A. Voltmeter 20 | P a g e

B. Ohmmeter C. Galvanometer D. Manometer Q.91 The heat energy required to change 1 kg of a liquid to gas at atmospheric pressure at its boiling point is called A. Condensation B. Sublimation C. Evaporation D. Latent heat of vaporisation Q.92 Today, scientists are talking of five states of matter. Solid, liquid, gas, Plasma and A. Bose-Einstein Condensate B. Edison-Einstein Condensate C. Albert Einstein Particulate D. David-Einstein Condensate Q.93 Electrons revolve around the nucleus in circular path, which are known as orbits. This statement is based on A. Einstein Theory B. Bohr’s Theory C. Balmer theory D. Newton’s Theory Q.94 A current of 2 A is drawn by a filament of an electric bulb for 10 minutes. Find the amount of electric charge that flows through the circuit. A. 100 C B. 500 C 21 | P a g e

C. 745 C D. 1200 C Q.95 What is the value of universal gravitational constant (g)? A. 9.8 m s-2 B. 98 m s-2 C. 198 m s-2 D. 980 m s-2 Q.96 A truck falls off a cliff and drops to the ground in 0.5 s. What is its speed on striking the ground? A. 4.9 m s–1 B. 5.9 m s–1 C. 6.9 m s–1 D. 10 m s–1 Q.97 When a body is immersed fully or partially in a fluid, it experiences an upward force that is equal to the weight of the fluid displaced by it. This is A. Newton’s first law of motion B. Newton’s second law of motion C. Newton’s third law of motion D. Archimedes’ principle Q.98 Work done = Force x ________ A. Speed B. Distance C. Displacement D. Direction Q.99 The energy possessed by an object due to its motion is called 22 | P a g e

A. Kinetic energy B. Potential energy C. Wind energy D. Thermal energy Q.100 The rate of doing work is called A. Acceleration B. Force C. Power D. Energy

Beginner’s Guide to Railways Group D Preparation Tips for Railways ALP

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