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
Different microorganisms taking part in the nitrogen cycle are: (i) Rhizobium in roots (ii) Ammonifying bacteria (iii) Nitrifying bacteria (iv) Denitrifying bacteria Which of them strictly work under anaerobic conditions?
Q.2
When a ray of light strikes a plane mirror at an angle of 15o with the mirror, what will be the angle of reflection of the ray?
Q.3
In the following question, an assertion and reason are given. Choose the correct option:
Assertion: Fungi are a large group of organisms which do not photosynthesise. Reason: All fungi are generally made up of fine threads called hyphae.
Q.4
What benefit does yeast gain from carrying out fermentation?
Q.5
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.6
Which of the following problem is not related to our environment?
Q.7
When the angle between two plane mirrors is 60o, how many multiple images will be formed by the mirrors?
Q.8
What happens when light emitted by a point source of light is passed through a prism?
Q.9
An echo returned in 3 s. What is the distance of the reflecting surface from the source, given that the speed of sound is 342 m s-1?
Q.10
Fill in the blank:
When an iron nail gets rusted, iron oxide is formed _____________.
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
a
Q.2
c
Q.3
b
Q.4
b
Q.5
b
Q.6
a
Q.7
a
Q.8
b
Q.9
d
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 : a | Q.2 : c | Q.3 : b | Q.4 : b | Q.5 : b | Q.6 : a | Q.7 : a | Q.8 : b | Q.9 : d | Q.10 : b
