(Space For Rough Work)
Reso FAST_SAMPLE TEST PAPER _CLASS-X/WINNER_PAGE # 6
34. Two blocks, one of iron (i) and the other of wood
(w) are dropped from a height at the same time.
If the time taken by the blocks to reach the
ground is T
i
and T
w
respectively, then :
(A) T
i
< T
w
(B) T
i
= T
w
(C) T
i
> T
w
(D) T
i
= 1/2 T
w
35. When a space ship is at a distance of two
earth's radius from the centre of the earth, the
gravitational acceleration is :
(A) 19.6 ms
-2
(B) 9.8 ms
-2
(C) 4.9 m/s
2
(D) 2.45 ms
-2
36. What happens to the volume of the aqueous
solution when small amount of sugar is dissolved
in it ?
(A) Volume increases
(B) Volume decreases
(C) Volume first increases then decreases.
(D) No change in volume.
37. Which of the following is not correct for gases ?
(A) Gases have definite mass.
(B) Gases have definite shape.
(C) Gases have definite volume.
(D) Both (B) and (C)
38. On changing which of the following, the states
of matter will change ?
(A) Temperature (B) Pressure
(C) (A) & (B) both (D) None of these
39. Melting & freezing point of water -
(A) are same.
(B) have large difference between them.
(C) have close difference between them.
(D) None of these
40. During evaporation, particles of a liquid change
into vapours only -
(A) from the surface.
(B) from the bulk.
(C) from both surface and bulk.
(D) neither from surface nor from bulk.
41. Rate of evaporation depends upon -
(A) temperature (B) surface area
(C) humidity (D) All of these
42. Air is regarded as a -
(A) compound (B) mixture
(C) element (D) electrolyte
43. Colloids which is not possible
(A) Gas in liquid (B) Liquid in liquid
(C) Solid in solid (D Gas in Gas
44. Which of the following provides an example of
a true solution ?
(A) Blood (B) Milk
(C) Starch solution (D) Sugar solution
45. Which of the following will show Tyndall effect ?
(A) Starch solution
(B) Sodium chloride solution
(C) Copper sulphate solution
(D) Sugar solution
46. The endomembrane system of the cell
includes
(A) mitochondria. (B) plastids.
(C) nucleus. (D) ER
47. The membrane bound structures of the golgi
apparatus are called
(A) plastids. (B) vacuoles.
(C) cisternae. (D) ribosomes
48. The fluid content of the vacuoles is called
(A) water. (B) cell sap.
(C) cytoplasm. (D) nucleoplasm.
49. Chromosomes are made of:
(A) DNA only
(B) DNA and fats
(C) DNA and proteins
(D) DNA and carbohydrates