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 |
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.2 |
The female hormone secreted from ovary is: |
| a) | FSH |
| b) | estrogen |
| c) | LH |
| d) | all above |
Q.3 |
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.4 |
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.5 |
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.6 |
In Amoeba reproduction takes place, by the fission of a mother Amoeba, into two new daughter Amoebae, this mode of reproduction: |
| a) |
sexual reproduction |
| b) | asexual reproduction |
| c) | regeneration |
| d) | budding |
Q.7 |
If radii of two concentric circles are 4 cm and 5 cm, then the length of each chord of one circle which is tangent to the other circle is: |
| a) |
3 cm |
| b) | 6 cm |
| c) | 9 cm |
| d) | 1 cm |
Q.8 |
If the sum of the areas of two circles with radii R1 and R2 is equal to the area of a circle of radius R, then: |
| a) |
R1 + R2 = R |
| b) | R12 + R22 = R2 |
| c) | R1 + R2 < R |
| d) | R12 + R22 < R2 |
Q.9 |
The coil of a heater is cut into two equal halves and only one of them is used in the heater. The ratio of the heat produced by this half of the coil to that produced by the original coil is: |
| a) |
2:1 |
| b) | 4:1 |
| c) | 1:4 |
| d) | 1:2 |
Q.10 |
A pole 6 m high casts a shadow 2√3 m long on the ground, then the Sun's elevation is: |
| a) |
60◦ |
| b) | 45◦ |
| c) | 30◦ |
| d) | 90◦ |
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Sample PDF of Unified Council - National Level Science Talent Search Examination (NSTSE) PDF Sample Papers for Class 10:
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Answers to Sample Questions from Olympiad Success:
Q.1 : a | Q.2 : b | Q.3 : c | Q.4 : d | Q.5 : b | Q.6 : b | Q.7 : b | Q.8 : b | Q.9 : a | Q.10 : a
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