INDIAN SCHOOL AL WADI AL KABIR
Summative Assessment – II, 2013—2014
Class:VII
Science
M.M: 60
11/03/14
Time:3hrs
---------------------------------------------------------------------------------------------------------------------------------General Instructions:
i.
ii.
iii.
All questions are compulsory.
The question paper consists of questions divided into sections A and B.
Question number 1 to15 in Section-A are one mark questions. These are to be answered in one or
two sentences.
Question number16 to27 in Section-A are two mark questions. These are to be answered in about
20 words each.
Question number28 to32 inSection-A are three mark questions. These are to be answered in about
25 words each.
Question 33 to38 in Section-B are multiple choice questions based on practical skills. Each
question is a one mark question. You are to select one most appropriate response out of the four
provided to you.
There is no overall choice.
iv.
v.
vi.
vii.
-----------------------------------------------------------------------------------------------------------------------------SECTION A
1. Loamy soil is suitable for growing plants. Give reasons
2. What are the main sources of soil pollution? (1)
3. Name the different breathing organs for the given animals.(1)
4.
5.
6.
7.
A
B
C
D
Write any two differences between veins and arteries.
Name the parts of a seed which grow into root and shoot system.
Represent diagrammatically the distance-time graph for uniform and non-uniform
motion.
Identify the instrument given below and write the use of it.
1
(1)
(1)
(1)
(1)
(1)
8. Identify and define the process given below.(1)
9. Convert 20m/s into km/h.(1)
10. A bus travelled a distance of 480 km in 8 hours and a train covered a distance of 1200 km
in10 hours? Which one of the two travels faster- car or train?(1)
11. Name the factors which affect the atmospheric pressure. (1)
12. Why is a copper wire not used in the filament of a bulb or as a heating element of heater?
(HOTS)
(1)
13. Razia conducted an experiment in the field related to the rate of percolation. She observed that it
took 40min for 200ml of water to percolate through the soil sample. Calculate the rate of
percolation.
(1)
14. Observe the figure given below and answer the questions.
(a) Identify the property of air demonstrated in
the experiment.
(b) Name any other example from your daily life which
works on the same property.
15.
(1)
Refer to the picture:
(1)
(2)
a. Identify the phenomenon.
b. List any two characteristics of image formed by a
plane mirror
16. Draw diagrams to show concave and convex mirrors.
a. Mention two uses of each.
17. What is reflection of light?
a. Which type of reflection scatters light in all direction?
b. State the laws of reflection.
2
(2)
(2)
18. Refer to the figure given and answer the following questions.
(2)
a. Identify the layers labeled as P and Q.
b. Write two important features of Q.
c. Which horizon holds rain water?
19. Give reasons.
(a) Respiration is a vital process.
(b) Hair and mucous are present in our nasal cavity
(2)
20. Define cellular respiration.(2)
a. Complete the following equations.
i.
Glucose
------------------- + Carbondioxide + Energy
ii.
Glucose + --------------------------------- + Water + Energy
21. The diagram given alongside shows the component of blood. (2)
A
B
C
a. Identify the components labeled as A, B, C.
b. State the functions of B and C.
22. How does blood flow from auricle to ventricle?(2)
23. Draw a simple closed circuit diagram with a battery, a switch, conducting wires, and a bulb.
a. What are the three conditions necessary for electric current to flow?
24. Explain the formation of a cyclone?
25. Identify the type of reproduction shown below in each case.
(2)
3
(2)
(2)
A
B
a. Explain any one type of reproduction shown above with example.
b. Write any two advantage of vegetative propagation.
26. Observe the figure carefully.
(2)
a. Identify the motion.
b. What is a time period?
c. Under what conditions does the time period of a pendulum
remain constant?
27. Identify the devices A and B.(2)
A
B
a. Why are these devices considered as safety device?
28. An experiment is conducted to stimulate an important process that occurs in the human body.(3)
A
B
a. What does this experiment show?
b. What is the analogy of (i) Y-shaped tube (ii) balloons.
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c. Name the processes indicated by A and B.
d. How does the part marked as rubber sheet help in this process.
29. Draw a neat diagram of the human excretory system and mark the following.
(i)
The part that filters the blood to remove impurities.
(ii)
The part that stores the urine.
a. What are the diseases that can be detected through the examination of urine?
30. Identify the types of pollination shown below.
a. Label the parts marked as A, B, C & D.
b. What are the unique features of flowers that are pollinated by
(i)
Insects
(ii)
Wind
31. Copy down the table in answer sheet and complete it.
Image formation in a convex lens
Position of the object
(3)
(3)
(3)
Nature of the
image
Between principal focus
and lens
Between F and 2F
At 2F
Beyond 2F
32. Refer to the diagram given below.
(3)
a.
Label the parts marked.
b.
Identify the principle on which the given device
works.
c.
Explain the working of the given device.
5
SECTION B
33. Humus is made from dead and decaying ------------------- matters.
a. inorganic
b. organic
c. metallic
d. non-metallic
34. Conducting tissue which carries water and minerals from root to stem, branches and leaves.
a.
xylem
b. phloem
c. veins
d. sieve tubes
35. Which part of the flower converts to a fruit?
a.
sepal
b. ovary
c. petals
d. ovules
36. Which of the following is used to measure the distance travelled by a moving car.
a. speedometer
b. kilometer
c. meter
d. odometer
37. Moving air creates.
a. high pressure area
b. low pressure area
c. low temperature area
d. high temperature area
38. An instrument used to measure the speed of the wind.
a.
anemometer
b. barometer
c. wind vane
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d. speedometer