Sample Paper Syllabus 2020-21: Class
Sample Paper Syllabus 2020-21: Class
Sample Paper Syllabus 2020-21: Class
Total Questions : 50
PATTERN & MARKING SCHEME
9 Time : 1 hr.
LOGICAL REASONING
SCIENCE
6. A sample of ammonia weighs 4 g. What mass 8. Read the given statements and mark the correct
of sulphur dioxide contains the same number option.
of molecules as are in 4 g of ammonia? Statement 1 : Echo is always produced when
(A) 64 g (B) 32.02 g sound is incident on hard and polished surface.
(C) 15.05 g (D) 30 g Statement 2 : Sound energy can be totally
reflected by objects with soft and loose texture.
7. A metal sphere of mass 12 kg has the same
(A) Both statement 1 and statement 2 are true
diameter as another sphere of mass 4 kg. Both
and statement 2 is the correct explanation
spheres are dropped simultaneously from a
of statement 1.
tower. When they are 8 m above the ground,
(B) Both statement 1 and statement 2 are
they have the same ____.
true and statement 2 is not the correct
(Neglect air resistance.)
explanation of statement 2.
(A) Kinetic energy (B) Potential energy
(C) Statement 1 is true but statement 2 is false.
(C) Momentum (D) Acceleration
(D) Both statement 1 and statement 2 are false.
ACHIEVERS SECTION
4
according to the concentration difference between cell sap and
(mm)
3
2
ambient solution. The results are shown in the given graph.
1
Which of these strips was placed in the most diluted solution? 0
–1 P Q R S
(A) S
Decreasing by
–2
(mm)
(B) Q –3
–4
(C) R –5
(D) P
ANSWERS
1. (C) 2. (C) 3. (D) 4. (D) 5. (B) 6. (C) 7. (D) 8. (D) 9. (D) 10. (B) 11. (D) 12. (C) 13. (A) 14. (A) 15. (C)