RRB ALP 2018 Practice Test Papers | General Science (Day-15)

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. SI Unit of Molar energy

1. joule per kilogram
2. joule per kilogram kelvi
3. joule per mole
4. joule per mole kelvin

2. Name the scientific study of one self

1. Auxology
2. Autology
3. Autecology
4. Audiology

3. Each eye has ____ muscles that control its movements

1. 2
2. 8
3. 4
4. 6

4. The ___________ law of thermodynamics relates to the natural flow of heat within a closed system.

1. Second
2. First
3. Third
4. Zeroeth

5. The light with the longest wavelength is _________

1. Red
2. Yellow
3. Blue
4. Violet

6. Scientific Name of Pigeon is ______________

1. Ophiophagushannah
2. Hydrophiinae
3. Columba livia
4. Python molurus

7. Adrenaline hormone is secreted in which of the parts?

1. cells
2. Medulla
3. Adrenal gland
4. Pancreas

8. Petrochemicals are used in the manufacture of

1. Polythene
2. Detergents
3. Fibres
4. All of these

9. Which of the following instrument is used to measure change in volume of substances?

1. Dilatometer
2. Dynamo
3. Cyclotron
4. Electrometer

10. Presence of Chloroplasts is _______

1. Plant cells
2. Animal cells
3. Algae
4. None of these

Answers:

1.Answer: C

Joule Per Mole (J/mol) is the only unit in the category of Molar energy in our database. It is also known as joule/mole, joules per mole. This unit is commonly used in the SI unit system.

2.Answer: B

Audiology        study of hearing

Autecology      study of ecology of one species

Autology          scientific study of oneself

Auxology         science of growth

3.Answer: D

Each eye has six muscles that control its movements: the lateral rectus, the medial rectus, the inferior rectus, the superior rectus, the inferior oblique, and the superior oblique. When the muscles exert different tensions, a torque is exerted on the globe that causes it to turn, in almost pure rotation, with only about one millimeter of translation.

4.Answer: A

The second law of thermodynamics relates to the natural flow of heat within a closed system.

5.Answer: A

Visible light has a wavelength range of about 400 nm to 750 nm. The visible colours from shortest to longest wavelength are: violet, indigo, blue, cyan, green, yellow, orange, and red.

6.Answer: C

Scientific Name of Pigeon is Columba livia

7.Answer: c

Adrenaline hormone is secreted in the medulla in the adrenal gland as well as some of the central nervous system’s neurons. It is also known as emergency hormone because it initiates the quick reaction which makes the individual to think and respond quickly to the stress.

8.Answer: D

Primary petrochemicals are divided into three groups depending on their chemical structure: Olefins includes Ethene, Propene, Butenes and butadiene. Ethylene and propylene are important sources of industrial chemicals and plastics products. Butadiene is used in making synthetic rubber

9.Answer: A

A dilatometer is a precision instrument for the measurement of dimensional changes in material as a function of temperature.

10.Answer: A

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