Q.1 |
Choose the correct option:
|
a) |
Statement 1 is correct but statement 2 is incorrect. |
b) | Statement 1 is incorrect but statement 2 is correct. |
c) | Both the statements are correct |
d) | Both the statements are incorrect |
Q.2 |
Choose the correct option and complete the following sentence: __________ is the star used to find direction and it is not visible from the ___________. |
a) |
Alpha Centauri, equator |
b) | Pole Star, Southern hemisphere |
c) | Akash, Southern hemisphere |
d) | Pole Star, Northern hemisphere |
Q.3 |
Juhi purchased cosmetics for Rs. 172.50 including sales tax. If the rate of sales tax is 15%, find the list price of cosmetics. |
a) |
Rs. 160 |
b) | Rs. 150 |
c) | Rs. 140 |
d) | Rs. 130 |
Q.4 |
Taking one light-year equal to 9.4 x 1015 m and one day equal to 86400 s, what will be the speed of light in light-year per day if the speed of light in m s-1 is 3 x 108? |
a) |
2.75 x 10-3 ly day-1 |
b) | 3.75 x 10-3 ly day-1 |
c) | 2.75 x 103 ly day-1 |
d) | 3.75 x 103 ly day-1 |
Q.5 |
Which of the following is the smallest microorganism? |
a) |
Algae |
b) | Bacterium |
c) | Protozoan |
d) | Virus |
Q.6 |
A solid cube of each side 8 cm, has been painted red, blue and black on pairs of opposite faces. It is then cut into cubical blocks of each side 2 cm. How many cubes have three faces painted with different colours? |
a) | 2 |
b) | 4 |
c) | 6 |
d) | 8 |
Q.7 |
The ages of the two persons differ by 20 years. If 5 year ago, the older one be 5 times as old as the younger one, then their present ages, in year will be: |
a) |
50, 30 |
b) | 25, 5 |
c) | 35, 15 |
d) | 30, 10 |
Q.8 |
Read the following statements and answer the question that follows:
Which of the above statements is/are correct? |
a) |
Only 3 |
b) | Only 4 |
c) | 1, 2 and 3 |
d) | 1, 2, 3 and 4 |
Q.9 |
An alloy of zinc and copper is dissolved in dilute hydrochloric acid. Hydrogen gas is evolved. In this evolution of gas: |
a) |
only zinc reacts with dilute hydrochloric acid |
b) | only copper reacts with dilute hydrochloric acid |
c) | both zinc and copper react with dilute hydrochloric acid |
d) | only copper reacts with water |
Q.10 |
The pressure at a certain height ha is pa and at another height hb (< ha) the pressure is pb. Which of the following relation between pa and pb is correct? |
a) |
pa = pb |
b) | pa > pb |
c) | pa < pb |
d) | pa - pb = Atmospheric pressure |
Your Score: 0/10
Sample PDF of Unified Council - National Level Science Talent Search Examination (NSTSE) PDF Sample Papers for Class 8:
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Answers to Sample Questions from Olympiad Success:
Q.1 : b | Q.2 : b | Q.3 : b | Q.4 : a | Q.5 : d | Q.6 : d | Q.7 : d | Q.8 : a | Q.9 : a | Q.10 : c