Download RRB J.E General Science Questions and Answers PDF. Top 40 RRB JE (Junior Engineer) General Science based on asked questions in previous exam papers very important for the RRB JE exam.<\/p>\n
Download RRB JE General Science PDF<\/a><\/p>\n 10 RRB JE Mocks – Just Rs. 117<\/a><\/p>\n RRB JE Previous Papers [Download PDF]<\/a><\/p>\n Complete General Science Notes PDF for RRB JE<\/strong><\/a> (Download HERE)<\/span><\/p>\n Question 1:\u00a0<\/b>The vitamin necessary for coagulation of blood is<\/p>\n a)\u00a0vitamin B<\/p>\n b)\u00a0vitamin C<\/p>\n c)\u00a0vitamin K<\/p>\n d)\u00a0vitamin E<\/p>\n Question 2:\u00a0<\/b>Blood group AB has which kind of antibodies?<\/p>\n a)\u00a0No antigen<\/p>\n b)\u00a0No antibody is present in blood group AB<\/p>\n c)\u00a0Neither antigen nor antibody<\/p>\n d)\u00a0Both antigen and antibody<\/p>\n Question 3:\u00a0<\/b>The largest artery in human body is<\/p>\n a)\u00a0Aorta<\/p>\n b)\u00a0Capillary<\/p>\n c)\u00a0Vena cava<\/p>\n d)\u00a0Pulmonary vein<\/p>\n FREE RRB JE YOUTUBE VIDEOS<\/a><\/p>\n RRB NTPC Free Mock Test<\/a><\/p>\n Question 4:\u00a0<\/b>Animals like annelids and arthropods etc where the body can be divided into identical left and right halves in only one plane, exhibit which kind of symmetry?<\/p>\n a)\u00a0Coelenterata<\/p>\n b)\u00a0Radial<\/p>\n c)\u00a0Ctenophora<\/p>\n d)\u00a0Bilateral<\/p>\n Question 5:\u00a0<\/b>At room temperature, which metal remains liquid?<\/p>\n a)\u00a0Mercury<\/p>\n b)\u00a0Platinum<\/p>\n c)\u00a0Lead<\/p>\n d)\u00a0Zinc<\/p>\n Question 6:\u00a0<\/b>Aromatic hydrocarbons contain at least how many benzene rings in their molecules?<\/p>\n a)\u00a0four<\/p>\n b)\u00a0three<\/p>\n c)\u00a0two<\/p>\n d)\u00a0one<\/p>\n Question 7:\u00a0<\/b>An ant can see the objects all around due to the presence of ?<\/p>\n a)\u00a0Simple eyes<\/p>\n b)\u00a0Eyes over head<\/p>\n c)\u00a0well Developed eyes<\/p>\n d)\u00a0Compound eyes<\/p>\n RRB NTPC Previous Papers Download PDF<\/a><\/p>\n <\/p>\n Question 8:\u00a0<\/b>Multiplication of equivalent weight and valency of an element is equal to ______.<\/p>\n a)\u00a0Density<\/p>\n b)\u00a0Relative temperature<\/p>\n c)\u00a0Atomic weight<\/p>\n d)\u00a0Atomicity<\/p>\n Question 9:\u00a0<\/b>Which device is best suited for measuring the temperature inside metallurgical furnaces?<\/p>\n a)\u00a0Pyrometer<\/p>\n b)\u00a0Thermocouple<\/p>\n c)\u00a0Thermometer<\/p>\n d)\u00a0Thermistor<\/p>\n Question 10:\u00a0<\/b>– The rhythmic contraction of the lining of muscles of canal to push the food along the gut is called ______.<\/p>\n a)\u00a0peristalsis<\/p>\n b)\u00a0facilitation<\/p>\n c)\u00a0guttation<\/p>\n d)\u00a0No option is correct.<\/p>\n 18000+ Questions – Free SSC Study Material<\/a><\/p>\n Question 11:\u00a0<\/b>Which enzyme is present in all members of the animal kingdom except Protozoa?<\/p>\n a)\u00a0Insulin<\/p>\n b)\u00a0Pepsin<\/p>\n c)\u00a0Renin<\/p>\n d)\u00a0Amylase<\/p>\n Question 12:\u00a0<\/b>The animals in which the body cavity is absent are known as __________.<\/p>\n a)\u00a0Coelomates<\/p>\n b)\u00a0Wild<\/p>\n c)\u00a0Pseudocoelomates<\/p>\n d)\u00a0Acoelomates<\/p>\n Question 13:\u00a0<\/b>In roots, the protoxylem lies towards periphery and metaxylem lies towards the centre. Such arrangement of primary xylem is called ____________.<\/p>\n a)\u00a0Xylem fibres<\/p>\n b)\u00a0Xylem parenchyma<\/p>\n c)\u00a0Exarch<\/p>\n d)\u00a0Endarch<\/p>\n Question 14:\u00a0<\/b>Workers in leather tanning industries tend to suffer from<\/p>\n a)\u00a0asthma<\/p>\n b)\u00a0heart diseases<\/p>\n c)\u00a0skin diseases<\/p>\n d)\u00a0blood diseases<\/p>\n Question 15:\u00a0<\/b>………………….is a multibranched polysaccharide of glucose that serves as a form of energy storage in animals and fungi.<\/p>\n a)\u00a0Cellulose<\/p>\n b)\u00a0Glycogen<\/p>\n c)\u00a0Pectin<\/p>\n d)\u00a0Chitin<\/p>\n RRB NTPC Free Mock Test<\/a><\/p>\n RRB JE Free Mock Test<\/a><\/p>\n Question 16:\u00a0<\/b>The primary function of RNA is<\/p>\n a)\u00a0Photosynthesis<\/p>\n b)\u00a0Protein Synthesis<\/p>\n c)\u00a0Replication<\/p>\n d)\u00a0Translation<\/p>\n Question 17:\u00a0<\/b>The yellow colour of human urine is due to<\/p>\n a)\u00a0Bile Salts<\/p>\n b)\u00a0Cholesterol<\/p>\n c)\u00a0Lymph<\/p>\n d)\u00a0Urochrome<\/p>\n Question 18:\u00a0<\/b>Prothrombin, responsible for clotting of blood is released by………………<\/p>\n a)\u00a0Small Intestine<\/p>\n b)\u00a0Blood Platelets<\/p>\n c)\u00a0Large Intestine<\/p>\n d)\u00a0Heart<\/p>\n Question 19:\u00a0<\/b>What is plant cell wall mainly composed of?<\/p>\n a)\u00a0Lipids<\/p>\n b)\u00a0Vitamin<\/p>\n c)\u00a0Cellulose<\/p>\n d)\u00a0Protein<\/p>\n Question 20:\u00a0<\/b>Which is a structural and functional unit of kidneys?<\/p>\n a)\u00a0Renette Cells<\/p>\n b)\u00a0Flame Cells<\/p>\n c)\u00a0Nephrites<\/p>\n d)\u00a0Nephrons<\/p>\n Daily Free Online Tests for RRB Exams<\/a><\/p>\n Question 21:\u00a0<\/b>A cannon ball is fired. The motion of this ball is an example of ______.<\/p>\n a)\u00a0Straight line motion<\/p>\n b)\u00a0projectile motion<\/p>\n c)\u00a0Hyperbolic motion<\/p>\n d)\u00a0horizontal motion<\/p>\n Question 22:\u00a0<\/b>An example of longitudinal waves (in gas as a medium) is ……………<\/p>\n a)\u00a0heat waves<\/p>\n b)\u00a0radio waves<\/p>\n c)\u00a0electromagnetic waves<\/p>\n d)\u00a0sound waves<\/p>\n Question 23:\u00a0<\/b>If the vector sum of torques acting on a system is zero, then the object is in ……………<\/p>\n a)\u00a0static equilibrium<\/p>\n b)\u00a0translatory equilibrium<\/p>\n c)\u00a0linear equilibrium<\/p>\n d)\u00a0rotational equilibrium<\/p>\n Question 24:\u00a0<\/b>– During __________ motion of an object along a straight line, the change in velocity of the object for any time interval is zero.<\/p>\n a)\u00a0linear<\/p>\n b)\u00a0translational<\/p>\n c)\u00a0equilibrium<\/p>\n d)\u00a0uniform<\/p>\n Question 25:\u00a0<\/b>For what is Mohs scale used?<\/p>\n a)\u00a0To measure brightness of a substance<\/p>\n b)\u00a0To measure viscosity of a liquid<\/p>\n c)\u00a0To measure elasticity of a material<\/p>\n d)\u00a0To measure hardness of minerals<\/p>\n <\/p>\n Download RRB GK Material PDF<\/a><\/p>\n Question 26:\u00a0<\/b>Find the number of integral solutions of $(x – 3)(x + 10) – 2(8x + 3) \\leq 0$<\/p>\n a)\u00a014<\/p>\n b)\u00a016<\/p>\n c)\u00a015<\/p>\n d)\u00a013<\/p>\n Question 27:\u00a0<\/b>The point where total mass of a body is supposed to be concentrated is known as<\/p>\n a)\u00a0Dead centre<\/p>\n b)\u00a0Centre of mass<\/p>\n c)\u00a0Centre of gravity<\/p>\n d)\u00a0Centre of motion<\/p>\n Question 28:\u00a0<\/b>Cryogenics is a branch of Physics that deal with ……………<\/p>\n a)\u00a0very high temperatures<\/p>\n b)\u00a0very low temperatures<\/p>\n c)\u00a0growth of extremely small crystals<\/p>\n d)\u00a0growth of extremely large crystals<\/p>\n Question 29:\u00a0<\/b>What is the value of acceleration due to gravity at the centre of earth?<\/p>\n a)\u00a0\u00ad1<\/p>\n b)\u00a00<\/p>\n c)\u00a01<\/p>\n d)\u00a0Infinity<\/p>\n Question 30:\u00a0<\/b>Magnetic Equator is closely associated with<\/p>\n a)\u00a0Natural calamities<\/p>\n b)\u00a0Fishing ground<\/p>\n c)\u00a0Tidal current<\/p>\n d)\u00a0Satellite launching<\/p>\n Question 31:\u00a0<\/b>Which is used to treat Indigestion?<\/p>\n a)\u00a0Antacid<\/p>\n b)\u00a0Antiseptic<\/p>\n c)\u00a0Analgesic<\/p>\n d)\u00a0Antibiotic<\/p>\n Question 32:\u00a0<\/b>On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because ________<\/p>\n a)\u00a0Mercury is a metal<\/p>\n b)\u00a0Density of mercury is greater than that of water<\/p>\n c)\u00a0Cohesion of mercury is greater than its adhesion with glass<\/p>\n d)\u00a0Cohesion of water is greater than its adhesion with glass<\/p>\n Question 33:\u00a0<\/b>When cathode rays strike a target of high atomic weight, they give rise to<\/p>\n a)\u00a0a -rays<\/p>\n b)\u00a013 and y rays<\/p>\n c)\u00a0X-rays<\/p>\n d)\u00a0positive rays<\/p>\n Question 34:\u00a0<\/b>In the periodic table of elements, on moving from left to right across a period, what happens to the atomic radius?<\/p>\n a)\u00a0decreases<\/p>\n b)\u00a0increases<\/p>\n c)\u00a0remains unchanged<\/p>\n d)\u00a0does not follow a definite pattern<\/p>\n Question 35:\u00a0<\/b>……………are a group of chemicals that influence cell division and shoot formation.<\/p>\n a)\u00a0Cytokinins<\/p>\n b)\u00a0Gibberellins<\/p>\n c)\u00a0Domins<\/p>\n d)\u00a0Auxins<\/p>\n Question 36:\u00a0<\/b>The element which is commonly used in nuclear for producing electricity by nuclear fission is?<\/p>\n a)\u00a0Radium<\/p>\n b)\u00a0Plutonium<\/p>\n c)\u00a0Uranium<\/p>\n d)\u00a0Deuterium<\/p>\n Question 37:\u00a0<\/b>Which bond is weakest in nature?<\/p>\n a)\u00a0Single bond<\/p>\n b)\u00a0Double bond<\/p>\n c)\u00a0Triple bond<\/p>\n d)\u00a0Hydrogen bond<\/p>\n Question 38:\u00a0<\/b>Ethane gas has a slightly …………taste.<\/p>\n a)\u00a0sweet<\/p>\n b)\u00a0bitter<\/p>\n c)\u00a0sour<\/p>\n d)\u00a0salty<\/p>\n Question 39:\u00a0<\/b>What is Heavy water?<\/p>\n a)\u00a0Monoterium oxide<\/p>\n b)\u00a0Polyterium oxide<\/p>\n c)\u00a0Deuterium oxide<\/p>\n d)\u00a0Trisium oxide<\/p>\n Question 40:\u00a0<\/b>What is dehydration?<\/p>\n a)\u00a0Removal of acid from a molecule<\/p>\n b)\u00a0Removal of base from a molecule<\/p>\n c)\u00a0Removal of water from a molecule<\/p>\n d)\u00a0Removal of alkali from a molecule<\/p>\n General Science Notes for RRB Exams (PDF)<\/a><\/p>\n Answers & Solutions:<\/strong><\/span><\/p>\n 1)\u00a0Answer\u00a0(C)<\/strong><\/p>\n 2)\u00a0Answer\u00a0(B)<\/strong><\/p>\n 3)\u00a0Answer\u00a0(A)<\/strong><\/p>\n 4)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 5)\u00a0Answer\u00a0(A)<\/strong><\/p>\n 6)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 7)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 8)\u00a0Answer\u00a0(C)<\/strong><\/p>\n 9)\u00a0Answer\u00a0(A)<\/strong><\/p>\n 10)\u00a0Answer\u00a0(A)<\/strong><\/p>\n 11)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 12)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 13)\u00a0Answer\u00a0(C)<\/strong><\/p>\n 14)\u00a0Answer\u00a0(C)<\/strong><\/p>\n 15)\u00a0Answer\u00a0(B)<\/strong><\/p>\n 16)\u00a0Answer\u00a0(B)<\/strong><\/p>\n 17)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 18)\u00a0Answer\u00a0(B)<\/strong><\/p>\n 19)\u00a0Answer\u00a0(C)<\/strong><\/p>\n A plant cell wall mainly composed of cellulose.<\/p>\n 20)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 21)\u00a0Answer\u00a0(B)<\/strong><\/p>\n 22)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 23)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 24)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 25)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 26)\u00a0Answer\u00a0(B)<\/strong><\/p>\n $(x – 3)(x + 10) – 2(8x + 3) \\leq 0$ We see that all integers from -3 to 12, satisfy the above inequality. 27)\u00a0Answer\u00a0(B)<\/strong><\/p>\n 28)\u00a0Answer\u00a0(B)<\/strong><\/p>\n 29)\u00a0Answer\u00a0(B)<\/strong><\/p>\n 30)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 31)\u00a0Answer\u00a0(A)<\/strong><\/p>\n 32)\u00a0Answer\u00a0(C)<\/strong><\/p>\n 33)\u00a0Answer\u00a0(C)<\/strong><\/p>\n 34)\u00a0Answer\u00a0(A)<\/strong><\/p>\n 35)\u00a0Answer\u00a0(A)<\/strong><\/p>\n 36)\u00a0Answer\u00a0(C)<\/strong><\/p>\n 37)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 38)\u00a0Answer\u00a0(A)<\/strong><\/p>\n 39)\u00a0Answer\u00a0(C)<\/strong><\/p>\n 40)\u00a0Answer\u00a0(C)<\/strong><\/p>\n
\nSimplifying it,
\n$x^2 + 7x – 30 -16x – 6 \\leq 0$
\n$x^2 – 9x – 36 \\leq 0$
\n$(x + 3)(x – 12) \\leq 0$<\/p>\n
\nThus, a total of 16 integers satisfy the above inequality.<\/p>\n