Q.1 |
If a stone of mass m falls a vertical distance d, the decrease in gravitational potential energy is: |
a) |
mg/d |
b) | md2/2 |
c) | mgd |
d) | md/g |
Q.2 |
At the instant the traffic light turns green a car starts with constant acceleration 2 m/s2 at the same instant a truck, travelling with a constant speed of 10m/s, overtakes and passes the car. How far beyond the starting point will the car overtake the truck? |
a) |
100 m |
b) | 200 m |
c) | 150 m |
d) | 250 m |
Q.3 |
What will be the third integer among three consecutive odd numbers, such that sum of three consecutive odd numbers is 3 more than the third integer? |
a) |
14 |
b) | 13 |
c) | 12 |
d) | 15 |
Q.4 |
What is the mean for the 7 subjects of the following range? |
a) |
72 |
b) | 85 |
c) | 80 |
d) | 70 |
Q.5 |
If one gram of S contains x atoms, atoms in one gram O will be ________. |
a) |
x |
b) | 2x |
c) | 3x |
d) | x/2 |
Q.6 |
Consider the following statements and choose the correct option:
|
a) |
Both the statements are correct |
b) | Both the statements are incorrect |
c) | Statement 1 is correct but statement 2 is incorrect |
d) | Statement 1 is incorrect but statement 2 is correct |
Q.7 |
A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour? |
a) |
5 |
b) | 10 |
c) | 7.2 |
d) | 4 |
Q.8 |
Which species of plasmodium causes cerebral malaria? |
a) |
Plasmodium falciparum |
b) | Plasmodium vivax |
c) | Plasmodium ovale |
d) | Plasmodium malaria |
Q.9 |
What is the total surface area of a right circular cone of height 14 cm and base radius 7 cm? |
a) |
498.35 cm2 |
b) | 468 cm2 |
c) | 456 cm2 |
d) | 567 cm2 |
Q.10 |
Choose the correct option: Assertion: Ice float on the surface of the water. |
a) |
Both assertion and reason are true and reason is the correct explanation of assertion. |
b) | Both assertion and reason are true but reason is not the correct explanation of assertion. |
c) | Assertion is true but reason is false. |
d) | Both assertion and reason are false. |
Your Score: 0/10
Sample PDF of Unified Council - National Level Science Talent Search Examination (NSTSE) PDF Sample Papers for Class 9:
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Answers to Sample Questions from Olympiad Success:
Q.1 : c | Q.2 : a | Q.3 : d | Q.4 : d | Q.5 : d | Q.6 : b | Q.7 : c | Q.8 : a | Q.9 : a | Q.10 : c