Unified Council - NSTSE PDF Sample Papers for Class 10
Class 10 sample paper & practice questions for National Level Science Talent Search Examination (NSTSE) level 1 are given below. Syllabus for level 1 is also mentioned for these exams. You can refer these sample paper & quiz for preparing for the exam.
Q.1 |
If you stand at the centre, and face towards South. Now you move at an angle of 100 degree clockwise, then in which direction do you face now? |
| a) |
North |
| b) | South |
| c) | North-West |
| d) | South-West |
Q.2 |
In the following equations Na2CO3 + xHCl → 2NaCl + CO2 + H2O. What is the value of x? |
| a) |
3 |
| b) | 1 |
| c) | 2 |
| d) | 4 |
Q.3 |
A letter of English alphabets is chosen at random. The probability that it is a letter of the word 'MATHEMATICS' is: |
| a) | 11/26 |
| b) | 5/13 |
| c) | 9/26 |
| d) | 4/13 |
Q.4 |
Homologous structure are |
| a) |
similar in origin, but dissimilar in function |
| b) | disimilar in origin, but similar in function |
| c) | dissimilar in origin and function |
| d) | similar in origin and function. |
Q.5 |
Which among the following is not the function of testes at puberty? |
| a) |
(i) and (ii) |
| b) | (ii) and (iii) |
| c) | (iii) and (iv) |
| d) | (i) and (iv) |
Q.6 |
Which of the following has evolved mainly as a result of the artificial selection? |
| a) |
Dark colouring of the peppered moth near industrial areas |
| b) | Increased production of antibiotics by the fungus Penicillium sp. |
| c) | Increased resistance of houseflies to the insecticide DDT |
| d) | Increased tolerance of lichens to heavy metals on tree bark around mine workings |
Q.7 |
Which of the following gases produced when cold water is added on calcium carbide? |
| a) |
C2H2 |
| b) | C2H4 |
| c) | C2H6 |
| d) | C3H8 |
Q.8 |
Consider the following statements and choose the correct option. Statement 1: Lenz's law is derived from the law of conservation of charge. Statement 2: A commutator alters the direction of the current in the coil every half rotation in a DC motor |
| a) |
Only statement 1 is correct |
| b) | Only statement 2 is correct |
| c) | Both the statements are correct |
| d) | Both the statements are incorrect |
Q.9 |
Among O, C, F, Cl, Br, the correct order of increasing atomic radii is |
| a) |
F, O, C, Cl, Br |
| b) | F, C, O, Cl, Br |
| c) | F, Cl, Br, O, C |
| d) | C, O, F, Cl, Br |
Q.10 |
G has children K, I and J. L and M are children of K and K is married to N. What is the relation between M and G? |
| a) |
Grandson |
| b) | Sister |
| c) | Daughter |
| d) | Father |
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Answers to Sample Questions from Olympiad Success:
Q.1 : c | Q.2 : c | Q.3 : d | Q.4 : a | Q.5 : c | Q.6 : a | Q.7 : a | Q.8 : b | Q.9 : a | Q.10 : a
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