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
Consider the following statements and choose the correct option:
Statement 1: The ignition temperature of white phosphorus is nearly equivalent to the temperature of the earth.
Statement 2: Combustion of fuel by motor vehicles is an example of spontaneous combustion.
Q.2
What happens in the following reaction?
Fe2O3 + 3C → 2Fe + 3CO
Q.3
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
Which of the following pairs cannot undergo displacement reaction?
Q.5
Which of the following can lead to menstruation in a 21-year-old woman after ovulation? A. Sperms not available for fertilisation B. Oviducts blocked C. Sperms available for fertilisation D. Oviducts not blocked
Q.6
What benefit does yeast gain from carrying out fermentation?
Q.7
A force of 16 N is distributed uniformly on one surface of a cube of edge 4 m. Find the pressure on this surface:
Q.8
Select the incorrect statement:
Q.9
In the given question, an assertion and reason are given. Choose the correct option:
Assertion: Animals like camels walk easily in deserts as broad feet exert less pressure on sandy ground.
Reason: Pressure decreases with an increase in surface area.
Q.10
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.
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
d
Q.2
b
Q.3
a
Q.4
b
Q.5
a
Q.6
b
Q.7
a
Q.8
a
Q.9
a
Q.10
b
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 : d | Q.2 : b | Q.3 : a | Q.4 : b | Q.5 : a | Q.6 : b | Q.7 : a | Q.8 : a | Q.9 : a | Q.10 : b
