Q.1 |
PVC is a very durable and long lasting material which can be used in a variety of applications, either rigid or flexible, white or black and a wide range of colours in between. PVC is an example of ___________. |
a) |
polyester |
b) | thermoplastic |
c) | thermosetting plastic |
d) | acrylic |
Q.2 |
From the given diagrams, in which of the following bulb will glow? |
a) |
![]() |
b) | ![]() |
c) | ![]() |
d) | ![]() |
Q.3 |
Choose the correct option and complete the following sentence: Sweat, saliva, tears and mucus contains ________. p. Chromosomes q. Lysozymes r. Ribosome s. Golgi bodies |
a) |
p only |
b) | q only |
c) | p and r |
d) | r and s |
Q.4 |
Which among the following is found only in plant cell? |
a) |
Smooth endoplasmic reticulum |
b) | Nuclear pore |
c) | Centrosome |
d) | Leucoplast |
Q.5 |
Which of the following is NOT a characteristic feature of sexual reproduction? A) It involves the fusion of two reproductive cells. B) It leads to the creation of genetically diverse offspring. C) Fertilization may take place inside or outside the body of the female. D) The offspring receives its characteristics from one parent only. |
a) |
Only A |
b) | Only B |
c) | Only D |
d) | B and D |
Q.6 |
Which of the following comes as results of incomplete combustion of fuel such as petrol and diesel? |
a) |
Nitrogen oxide |
b) | Sulphur dioxide |
c) | Carbon monoxide |
d) | Carbon dioxide |
Q.7 |
Select the correct option and complete the following statement. Electrolysis of an aqueous solution of sodium chloride produces __________________. |
a) |
chlorine gas at anode |
b) | hydrogen gas at cathode |
c) | chlorine gas at cathode |
d) | Both a and b |
Q.8 |
Consider the following and choose the correct option. Assertion: Metals are sonorous. Reason: They are generally brittle in the solid state, they break into pieces when hammered. |
a) |
Both assertion and reason are correct and the reason is the correct explanation of assertion. |
b) | Both assertion and reason are correct but the reason is not the correct explanation of assertion. |
c) | The assertion is correct and the reason is incorrect. |
d) | The assertion is incorrect and reason is correct |
Q.9 |
A student obtained a sharp image of the grills of a window on a screen using a concave mirror. His teacher remarked that for getting better results a well-lit distant object (preferably the Sun) should be focused on the screen. What should be done for this purpose? |
a) |
Move the screen and the mirror towards the object. |
b) | Move the screen and the mirror away from the object. |
c) | Move the screen slightly away from the mirror. |
d) | Move the mirror slightly towards the screen. |
Q.10 |
Some students were asked to arrange forces due to rolling, static and sliding frictions in increasing order. Identify the correct order of forces: |
a) |
Rolling, Static, Sliding |
b) | Static, Rolling, Sliding |
c) | Sliding, Static, Rolling |
d) | Rolling, Sliding, Static |
Your Score: 0/10
Sample PDF of SilverZone - International Talent Hunt Olympiad (ITHO) PDF Sample Papers for Class 8:
If your web browser doesn't have a PDF Plugin, you can Click here to download the PDF
Answers to Sample Questions from Olympiad Success:
Q.1 : b | Q.2 : c | Q.3 : b | Q.4 : d | Q.5 : c | Q.6 : c | Q.7 : d | Q.8 : c | Q.9 : c | Q.10 : d