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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Answers:
1.Answer: C
Light travels as a wave. But unlike sound waves or water waves, it does not need any matter or material to carry its energy along. This means that light can travel through a vacuum—a completely airless space. … It speeds through the vacuum of space at 186,400 miles (300,000 km) per second.
2.Answer: A
Gibberellins are growth hormones that stimulate cell elongation and cause plants to grow taller. Gibberellins also have a role in other plant processes, such as stem elongation, germination, flowering, and fruit ripening. … Once a plant releases gibberellins, its cells begin a process of elongation.
3.Answer: A
A sphygmomanometer, also known as a blood pressure meter, blood pressure monitor, or blood pressure gauge, is a device used to measure blood pressure, composed of an inflatable cuff to collapse and then release the artery under the cuff in a controlled manner, and a mercury or mechanical manometer to measure the pressure.
4.Answer: C
Synthetic diamond is also widely known as HPHT diamond or CVD diamond after the two common production methods (referring to the high-pressure high-temperature and chemical vapor deposition crystal formation methods, respectively).
5.Answer: A
Dry ice, sometimes referred to as “cardice” (chiefly by British chemists), is the solid form of carbon dioxide. It is used primarily as a cooling agent. Its advantages include lower temperature than that of water ice and not leaving any residue (other than incidental frost from moisture in the atmosphere).
6.Answer: B
The upper part of the leaf is where the light falls, and it contains a type of cell called a palisade cell. This is adapted to absorb a lot of light. It has lots of chloroplasts and is shaped like a tall box.
7.Answer: D
The formula for sodium sulfate is Na2SO4.
8.Answer: B
Light travels very fast with a speed of 300 million metres per second in a vacuum. It takes only 8 minutes and 20 seconds for light to travel from the Sun to the Earth. Through the air light travels about a million times faster than sound.
9.Answer: C
It works based on principle of faraday law of electromagnetic induction. The faradays law states that whenever a conductor is placed in a varying magnetic field, EMF is induced and this induced EMF is equal to the rate of change of flux linkages.
10.Answer: D
Aspirin, also known as acetylsalicylic acid, is a medication used to treat pain, fever, or inflammation. Specific inflammatory conditions in which aspirin is used include Kawasaki disease, pericarditis, and rheumatic fever.
RRB ALP 2018 – “All in One” Study Materials and Practice Sets
This post was last modified on June 21, 2018 4:34 pm