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
Identify the element as per the following statement:
An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water.
Q.4
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.5
During a lab experiment, Mark used a dye to stain a cell to observe its various structures. Which cellular structure would likely appear colorless or transparent due to this staining process?
Q.6
Four students made the following statements about the metals:
Robert: Metals are malleable.
Arya: All metal oxides are acidic in nature.
James: Metals have lustre.
Peter: Metal atoms have 1, 2 or 3 electrons in the outermost shell.
Which among them spoke incorrectly?
Q.7
Read the following statements and choose the correct option:
Statement 1: The antibiotic penicillin inhibits the growth of bacteria by blocking the process which helps to build its cell membrane.
Statement 2: The cell membrane is selectively permeable because it allows the movement of certain molecules in and out of the cell while the movement of other molecules is prevented.
Q.8
Choose the correct option and complete the following sentence:
The formation of sulphur trioxide from sulphur dioxide and oxygen is an ____________ reaction.
Q.9
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.
Q.10
A force of 16 N is distributed uniformly on one surface of a cube of edge 4 m. Find the pressure on this surface:
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
a
Q.2
a
Q.3
a
Q.4
b
Q.5
c
Q.6
b
Q.7
b
Q.8
c
Q.9
c
Q.10
a
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 : a | Q.2 : a | Q.3 : a | Q.4 : b | Q.5 : c | Q.6 : b | Q.7 : b | Q.8 : c | Q.9 : c | Q.10 : a
