Unified Council NSTSE National Level Science Talent Search Exam Sample Question Paper : unifiedcouncil.com
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Exam : National Level Science Talent Search Examination
Document Type : Sample Question Paper
Category or Subject : Class I – X
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Unified Council NSTSE Question Paper
Class : VII
Mathematics
1. The measurements of DEF are EF = 8.4 cm, ?E = 103° and F = 85°. Which of the following is correct ?
(A) DEF can be constructed.
(B) DEF is an obtuse angled triangle.
Related : Unified Council UIEO International English Olympiad Sample Question Paper : www.pdfquestion.in/9340.html
(C) DEF cannot be constructed.
(D) DEF is an acute angled triangle.
2. How many hours per day does he study on an average ?
(A) 3.5 hours
(B) 3 hours
(C) 4 hours
(D) 4.5 hours
3. If a, b and c are the sides of a triangle, which of the following is correct ?
(A) a – b > c
(B) c > a + b
(C) c = a + b
(D) b < c + a
4. In a coconut grove, (x + 2) trees yield 60 coconuts per year, x trees yield 120 coconuts per year and (x – 2) trees yield 180 coconuts per year. If the average yield per year per tree is 100, find x.
(A) 4
(B) 3
(C) 2
(D) 1
Physics
6. A faster moving object covers
(A) less distance in more time.
(B) more distance in more time.
(C) less distance in less time.
(D) more distance in less time.
7. The two glasses X and Y are stuck together as shown below.
How can the glasses be separated ?
(A) Heating both the glasses
(B) Soaking glass Y in ice cubes
(C) Pouring hot water into glass X
(D) Pouring hot water over glass Y
8. Which surface cannot produce a clear image of an object?
(A) Rough
(B) Ideal
(C) Smooth
(D) Curved
9. Which of these effects can be produced by an electric current ?
(A) 1 and 2 only
(B) 1, 2 and 3 only
(C) 2, 3 and 4 only
(D) 1, 2, 3 and 4
Chemistry
10. Which solution has the highest concentration of hydroxide ions ?
(A) Solution of pH 3
(B) Solution of pH 5
(C) Solution of pH 7
(D) Solution of pH 12
11. What causes the candle flame to get extinguished ?
(A) Evolution of O2 gas
(B) Evolution of CO2 gas
(C) Formation of Ca(OH)2
(D) Formation of CaCl2
12. Which of these is a chemical change ?
(A) A substance with different chemical properties is formed.
(B) A substance in a different state but similar chemical properties is formed.
(C) The molecules of the substances do not undergo any change.
(D) A substance with a different shape and size but similar chemical properties is formed.
13. Which action is the best to do during heavy lightning ?
(A) Lying on the ground in an open place
(B) Going into the nearest water body
(C) Staying indoors away from metallic doors or windows
(D) Standing under a tall tree
14. Wind currents occur across the globe due to
(A) the rotation of the earth.
(B) change in season.
(C) uneven heating between the equator and poles.
(D) gravitational pull of the sun.
Biology
16. Which of the labelled arrows is drawn INCORRECTLY ?
(A) P
(B) Q
(C) R
(D) S
17. Where does most of the transpiration take place in the given figure ?
(A) P
(B) R
(C) Q
(D) S
18. The following statements describe how the transport system in a plant works.
P – Xylem tubes carry water and mineral salts to other parts of the plant
Q – The leaves make food in the presence of sunlight
R – The leaves receive water and mineral salts
S – Phloem tubes transport food to other parts of the plant
T – Root hairs absorb water and mineral salts from the soil
Which of these is a correct sequence ?
(A) P -> T -> Q-> R -> S
(B) T -> P -> R -> Q-> S
(C) P -> R -> Q-> S -> T
(D) R-> Q-> P -> S -> T
19. A student identified the following characteristics in an animal.
i. Able to live both on land and in water.
ii. Breathes through skin and lungs.
iii. Use webbed toes for locomotion.
Choose the suitable title for the given description.
(A) Terrestrial
(B) Aquatic
(C) Amphibian
(D) Arboreal
20. Identify organ ‘X’.
(A) Skin
(B) Heart
(C) Lungs
(D) Kidneys
I couldn’t find 11th class previous years question papers.
Questions are nice but difficult.