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## 15 Questions MCQ Test Science Olympiad Class 8 | Olympiad Test: Achievers Section

Olympiad Test: Achievers Section for Class 8 2023 is part of Science Olympiad Class 8 preparation. The Olympiad Test: Achievers Section questions and answers have been prepared according to the Class 8 exam syllabus.The Olympiad Test: Achievers Section MCQs are made for Class 8 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Achievers Section below.
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Olympiad Test: Achievers Section - Question 1

### Statement 1: A boy pushes a toy car on the floor. After reaching a distance, the car will be stopped without application of any visible force. Statement 2: Frictional force is the force exerted by a surface when an object moves across the surface.

Olympiad Test: Achievers Section - Question 2

### Statement 1: The atmospheric pressure changes from place to place and from tine to time. Statement 2: The temperature and quantity of water vapour in air changes from place to place and time to time.

Olympiad Test: Achievers Section - Question 3

### See the figure given below and find the position where static friction is maximum.

Olympiad Test: Achievers Section - Question 4

Statement 1: The phenomenon of the persistence of vision is employed in the cinematography.

Statement 2: The image formed on the retina of an eye persists for 1/16th of a second.

Olympiad Test: Achievers Section - Question 5

Which of the following suggestions should not be followed for the caring of eyes?

1. We should always read in dim light.
2. Always read at the normal distance.
3. Look at the sun for sometime, everyday in the morning.
4. We should work in dazzling light.

Olympiad Test: Achievers Section - Question 6

Directions : Fill in the blanks with the appropriate answers.

The speed of sound in steel is  __________ the speed of sound in air.

Olympiad Test: Achievers Section - Question 7

Directions : Fill in the blanks with the appropriate answers.

The sound is produced due to the ____________ in the medium.

Olympiad Test: Achievers Section - Question 8

Directions : Fill in the blanks with the appropriate answers.

__________ is the voice box at the upper end of the wind pipe.

Olympiad Test: Achievers Section - Question 9

Directions : Fill in the blanks with the appropriate answers.

Magnetic, electrostatic and gravitational forces are __________ forces.

Olympiad Test: Achievers Section - Question 10

Directions : Fill in the blanks with the appropriate answers.

__________ is a direct reading instrument which is used for measuring atmospheric pressure.

Olympiad Test: Achievers Section - Question 11

Which of the following is not an application of electroplating?

1. To give a shiny appearance to bath taps, bicycle handle bars, wheel rims etc.
​2. To prevent the food, kept in an iron can, to come into direct contact with iron.

Olympiad Test: Achievers Section - Question 12

Which of the following is the name of a constellation?

1. Great Dear
2. Little bear
3. Hunter

Olympiad Test: Achievers Section - Question 13

Find the correct arrangement of the following planets of solar system for their distances from the sun.

Olympiad Test: Achievers Section - Question 14

Which of the following is not true?

1. Metals in the pure state possess lusture.
2. Metals have low tensile strength.
3. Metals are non-sonorous.

Olympiad Test: Achievers Section - Question 15

An ideal fuel

1. Should burn at a moderate rate.
2. Should not produce any poisonous and irritating fumes during burning.
3. Should leave residue after burning.

Q. Which of the options goes with in line given in the question.