CBSE Class 9 Science Sample Paper Set 13

SECTION-A

Q.1 Identify the plastid which contains a pigment necessary for photosynthesis. (1)

Q.2 Mention the nature of motion of a body if its displacement-time graph is a straight line parallel to time axis. (1)

Q.3 Name the property of bodies by virtue of which they resist a change in their state of rest or of uniform motion. (1)

Q.4 Define sublimation. Which type of mixtures are separated by this technique ? (2)

Q.5 How does endocytosis process help an organism like amoeba ? (2)

Q.6 It is said that the mass of an object remains constant at all places while weight may change. Why ? (2)

Q.7 (a) Differentiate between simple distillation and fractional distillation.

(b) What is the function of beads in fractionating column used in fractional distillation? (3)

Q.8 Give three reasons to justify that water is a liquid at room temperature. (3)

Q.9 Why water as steam may cause severe burns but water as ice has cooling effect ? Explain.  (3)

Q.10 Why the lysosomes are called suicide bags? Which cell organelle is involved in the formation of lysosomes? (3)

Q.11 Correlate the first pair of words given below and accordingly insert a suitable word in the second pair.

(a) Heart : Cardiac muscles : : __________ : Smooth muscles

(b) Tissue repair : Areolar : :Insulation : __________

(c) Squamous epithelium : Protection : : __________ : Absorption and secretion. (3)

Q.12 State reason for the following :

(i) Road accidents at high speeds are very much worse than accidents at low speeds.

(ii) When a motor car makes a sharp turn at a high speed, passengers get thrown to one side.

(iii) The passengers in a bus tend to fall in the forward direction when a moving bus brakes to a stop. (3)

Q.13 (i) What is meant by free – fall ?

(ii) Why doesn’t the moon fall into the earth by its attractive pull ? (3)

Q.14 Answer the following questions :

(i) The distance – time graph of motion of a body is parallel to ‘X’ axis. Identify the nature of motion of the body.

(ii) Name the quantity measured by the slope of the distance – time graph of a moving body.

(iii) Write two advantages of graphical representation of variation of velocity with time over tabular representation of velocity and time. (3)

Q.15 An object is moving with uniform speed in a circle of radius 7m. Calculate the distance and displacement when it completes half the circle. What type of motion does the object possess ? (3)

Q.16 A heavy leather ball and a light tennis ball of equal size are kept on the floor of a moving train. When the train is suddenly stopped, they are set in motion. In which direction will they move? Which one of them will attain higher velocity ? (Assume that friction is same for both) (3)

Q.17 In the summer vacation the students of IX standard were given an investigatory project. They were asked to visit a dairy farm and note down their observations.

Vinay took information from the internet and made the project while Sakshi visited the dairy, saw how and what cattle are fed with, how much milk do they give per day She also learnt about the diseases they suffer from and how are they cleaned and taken care of.

(i) What kind of feed is given to cattle to increase the milk production ?

(ii) Write down two symptoms of a sick animal.

(iii) Whose characteristics would you like to adopt between Sakshi and Vinay? Why? (3)

Q.18 Mention three ways by which storage grains can be protected from degradation and loss in weight.  (3)

Q.19 (a) Compare metals and nonmetals based on their physical properties (any four points).

(b) What are metalloids? Give two examples.

(c) Identify metals from the following – boron, sodium, mercury, carbon. (5)

Q.20 State any three characteristics of the particles of matter. 

Which of the following are matter?

table, oxygen, affection, milk, cold, thirst, salt. (5)

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