Section 1: Crop Production and Management, Microorganisms, Synthetic Fibres and Plastics, Metals and Non-metals, Coal and Petroleum, Combustion and Flame, Conservation of Plants and Animals, Cell, Reproduction and Endocrine System, Force and Pressure, Friction, Sound, Chemical Effects of Electric Current, Some Natural Phenomena, Light, Stars and the Solar System, Pollution of Air and Water.
Achievers Section: Higher Order Thinking Questions - Syllabus as per Section 1
The sound produced by a tuning fork travel from air to glass. Which of the following physical quantities remains the same?
Velocity
Frequency
Wavelength
Amplitude
Q.2
Consider the following statements and choose the correct option:
Statement 1: Jack observed a species of single-celled organisms in a laboratory that reproduce by dividing into two daughter cells, each genetically identical to the parent. This type of reproduction is called budding.
Statement 2: Mark observed a type of asexual reproduction in yeast cells, where a smaller cell grows off the surface of a larger cell and eventually separates. This type of reproduction is called regeneration.
Q.3
An elephant has a mass of 3000 kg. Each of its foot has a surface area of 0.4 m2. A lady of mass 45 kg wears stiletto shoes. Each of the stiletto heels has a surface area of 0.01 m2. Assuming there is the equal distribution of mass on each foot. Calculate the maximum possible pressure that could be exerted by a stiletto heel worn by the lady:
Q.4
Choose the correct option and complete the following sentence:
A lightning conductor installed in a building ________________.
Q.5
Choose the correct option and complete the following sentence:
The formation of sulphur trioxide from sulphur dioxide and oxygen is an ____________ reaction.
Q.6
Arrange the different types of coal in the decreasing order of the quality of coal:
When an iron nail gets rusted, iron oxide is formed _____________.
Q.8
Which of the following shows the correct sequence (in the increasing order) of heat energy received per unit area from the Sun measured on Earth, Mars and Jupiter?
Q.9
Stars twinkle but planets do not twinkle.
Which of the following is the correct reason for the above-given statement?
Q.10
In the following question, an assertion and a reason are given. Choose the correct option:
Assertion: The forces acting on a body can be replaced by the resultant force only as regards the motion of the body as a whole.
Reason: The resultant force cannot replace the several forces acting on a body in other respects.
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
b
Q.2
d
Q.3
b
Q.4
d
Q.5
c
Q.6
a
Q.7
b
Q.8
a
Q.9
c
Q.10
c
Are you a student who is participating this time in the CREST Science Olympiad? Science Olympiad previous years’ question papers for class 8 is one of the best ways to summarise your months of Olympiad exam preparation. Students can use these sample papers to assess what they've studied for the exam. It acts as a mirror, reflecting candidates' weak and strong points. Students can download the Science Olympiad sample papers for class 8 for free on this page. Get a hold of these.
Science Olympiad questions have numerous advantages. It gives an indication of the types of questions that will be asked in the actual exam. Always remember to include sample papers practice in your Olympiad exam preparation guide.
Answers to Sample Questions from CREST Olympiads:
Q.1 : b | Q.2 : d | Q.3 : b | Q.4 : d | Q.5 : c | Q.6 : a | Q.7 : b | Q.8 : a | Q.9 : c | Q.10 : c
