Dear Aspirants, Here we have given the Important RRB ALP & Technicians Exam 2018 Practice Test Papers. Candidates those who are preparing for RRB ALP 2018 can practice these questions to get more confidence to Crack RRB 2018 Examination.
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1). Who discovered Cadmium?
- Homi Jahangir bhaba
- Galileo Galilei
- Antonie Van Leeuwenhock
- Friedrich Strohmeyer
2). The Recoil of a gun is the example of Newton’s which law?
- Newton’s First Law
- Newton’s Second Law
- Newton’s Third law
- None of these
3). A person suffering from a sight problem of one can see the distant object clearly but not the nearest objects is called _____________
4). Which of the following instrument is used to measure the level of humidity in air?
5). X-ray was invented by _____________
- Wihelm Roentgen
- A. L. Beguet
- Sir J A Fleming
- W L Judson
6). Who is the father of Periodic Table?
- John Newlands
- Dmitri Mendeleev
- Julius Lothar Meyer
- Henry Moseley
7). Mercury is the ore of
8). Kalology is the study of _____
- Study of Skin
- Study of new Born
- Study of Beauty
- Study of Kidneys
9). Which of the following is known as Power house of the cell.
- Golgi Bodies
- Endoplasmic reticulum
10). What is the Ph value of Baking soda ?
1). Answer: D
2). Answer: C
Newton’s Third Law of Motion states: ‘To every action there is an equal and opposite reaction’.A gun recoils when a bullet is fired from it: When a bullet is fired from a gun, the gun exerts a force on the bullet in the forward direction. This is the action force.
3). Answer: B
Hyperopia, also known as farsightedness, is a common type of refractive error where distant objects may be seen more clearly than objects that are near.
4). Answer: B
Hydrometer- to measure the relative density of liquids
Hygrometer- to measure the level of humidity
Hydrophone- to measure sound under Water
Hydroscope is used to show the changes in atmospheric humidity
5). Answer: A
X-radiation is referred to with terms meaning Röntgen radiation, after the German scientist Wilhelm Röntgen, who usually is credited as its discoverer, and who named it X-radiation to signify an unknown type of radiation.
6). Answer: B
Dmitri Ivanovich Mendeleevwas a Russian chemist and inventor. He formulated the Periodic Law, created a farsighted version of the periodic table of elements, and used it to correct the properties of some already discovered elements and also to predict the properties of eight elements yet to be discovered.
7). Answer: B
Cinnabar is a toxic mercury sulfide mineral with a chemical composition of HgS. It is the only important ore of mercury.
8). Answer: C
Kalology is the study of beauty, and the ways in which beauty influences society. This study is focused primarily on human attractiveness, rather than the broader field of aesthetics. .
9). Answer: A
It produces energy currency of the cell, ATP(adenosine triphospate) through respiration and regulates cellular metabolism. Since energy gives power to the cell so mitochondria is called the power house of the cell.
10). Answer: C
Baking soda, a substance found in most kitchens, has the chemical name sodium bicarbonate and has a pH of 9.