QUESTION CUM ANSWER PAPER FOR SECOND TERM : 2014 - 2015
CENTRE NUMBER : IN462
NAME : ____________________________
CLASS /DIV.: 7 A B C D E
SUBJECT : SCIENCE
PAPER:I
ROLL NO.: ________
DATE :___________
DURATION : 45 minutes
MAX.MARKS :50
READ THE INSTRUCTIONS GIVEN BELOW :
1. Write your name and roll number in the spaces provided at the top of this page.
2. Answer all questions in the spaces provided on the Question Paper. Write in
dark blue or black pen.
3. You should show all your working in the Answer Booklet. You may use a soft
pencil for rough working.
4. The Number of marks is given in the bracket '[ ]'
5. The box
against the bracket '[ ]' shows the marks obtained after
assessment.
6. This document consists of 21 pages . (20 printed + 1 blank)
7. Do not use staples, paper clips, highlighters, glue or correction fluid.
8. At the end of the examination, fasten all your work securely together.
9. Use of electronic calculator not allowed.
10.If the degree of accuracy is not specified in the question, and if the answer is
not exact, give the answer to three significant figures.
FOR EXAMINERS'S USE
Q. NO.
MARKS
OUT OF
1
4
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3
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4
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11
6
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NAME
SIGNATURE
DATE
20
INVIGILATOR :________________
______________
_____________
21
EXAMINER : ________________
______________
_____________
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MODERATOR :________________
_______________
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50
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Page 1 of 21
QUESTION CUM ANSWER PAPER FOR SECOND TERM : 2014 - 2015
1. Figure given below shows a food web from farmland in Europe
a) Name the organism from the fourth trophic level of this food web.
____________________________________________________
[1]
b) State the source of energy for this food web
____________________________________________________
[1]
c) In the food web, the herbivorous insect population receives the same total
amount of energy as the rabbit population. Both population pass a smaller
percentage of this total energy to the next trophic level. Explain how much and
why?
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Page 2 of 21
QUESTION CUM ANSWER PAPER FOR SECOND TERM : 2014 - 2015
____________________________________________________________
____________________________________________________________
______________________________________________________ [ 1 ]
d) Define ‘ food chain ‘.
___________________________________________________________
___________________________________________________________
_____________________________________________________
[1]
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Page 3 of 21
QUESTION CUM ANSWER PAPER FOR SECOND TERM : 2014 - 2015
2. a) The diagram below shows part of the solar system.
Look at the diagram. Give the names of X and Y.
b)
X
____________________________
Y
____________________________
[1]
It takes Jupiter much longer than Mars to complete one orbit. Give one
reason for this.
[1]
__________________________________________________________
___________________________________________________________
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Page 4 of 21
QUESTION CUM ANSWER PAPER FOR SECOND TERM : 2014 - 2015
c) The diagram also shows the orbit of a comet. In 1531, 1607 and 1683
scientists recorded that they had seen a comet in the sky.
1)
Edmund Halley looked at these dates and suggested the scientists had all
seen the same comet. Explain how he worked out that it was the same
comet each time.
__________________________________________________________
__________________________________________________________
______________________________________________ [ 1 ]
2)
The comet was last seen in 1986. Predict when it will be seen next.
_____________________________________________
SCI / II / 07 / 2014 - 2015
F/EXAM(CIE)/05/1
[1]
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Page 5 of 21
QUESTION CUM ANSWER PAPER FOR SECOND TERM : 2014 - 2015
3. The diagram shows the positions of some elements in part of the periodic table.
a) Use only the elements in the diagram to answer the questions.
1) Give the name of one element that is a gas at room temperature.
__________________________
[1]
2) Which two elements are metals?
[1]
________________________________
________________________________
b) Write the symbol of Hydrogen in the appropriate empty box in the diagram given
above.
[1]
c) Each element is identified by the first letter of its name. Name the element
represented by the letter ‘ C ‘.
____________________________________
[1]
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Page 6 of 21
QUESTION CUM ANSWER PAPER FOR SECOND TERM : 2014 - 2015
4.
I.
Choose one animal from those shown above that fits each of the following
descriptions.
a) An invertebrate with no legs ______________________________
[1]
b) A vertebrate which lays eggs _______________________________ [ 1 ]
c) An arthropod _________________________________
[1]
d) A vertebrate with moist , smooth skin ________________________ [ 1 ]
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Page 7 of 21
QUESTION CUM ANSWER PAPER FOR SECOND TERM : 2014 - 2015
II.
The drawing shows a vertebrate animal
To which vertebrate class does this animal belong.
________________________________________________
[1]
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Page 8 of 21
QUESTION CUM ANSWER PAPER FOR SECOND TERM : 2014 - 2015
5.
a) A car is moving on level ground. Two of the forces acting on it as shown.
How is the car moving? Tick the correct answer.
[1]
 Accelerating
 At constant speed
 Decelerating
b) The motion of another car is shown on a distance / time graph.
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Page 9 of 21
QUESTION CUM ANSWER PAPER FOR SECOND TERM : 2014 - 2015
Calculate the speed of the car between A and B.
Show your working and include units in your answer.
_____________________________
[2]
c) What has happened to the motion of the car between B and C?
_________________________________________
[1]
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Page 10 of 21
QUESTION CUM ANSWER PAPER FOR SECOND TERM : 2014 - 2015
6
A student uses a dye to change the colour of his tee-shirt.
a) Why is a metal bucket more suitable than a plastic bucket?
_______________________________________________
[1]
b) When the bucket is heated, what happens to the movement of the particles in
the metal?
______________________________________________________________
_________________________________________________
[1]
c) The dyed tee-shirt is hung up to dry in a warm room. What physical change
happens to the water from the dye solution?
_________________________________________________
[1]
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Page 11 of 21
QUESTION CUM ANSWER PAPER FOR SECOND TERM : 2014 - 2015
7.
The diagram shows the human digestive system
Write the names of the structures labelled which have each of these functions.
a) The ____________________ begins protein digestion in acid conditions.
b) The ____________________ stores faeces.
c) The ____________________ rolls food into a ball called a bolus.
d) The ___________________ absorbs water.
e) The __________________ produces bile.
[5]
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Page 12 of 21
QUESTION CUM ANSWER PAPER FOR SECOND TERM : 2014 - 2015
8.
a) Label this diagram given below, which shows the refraction of light into
glass. One is done for you.
[2]
Normal
b) Define ‘ refraction’.
_______________________________________________________________
______________________________________________________[ 1 ]
c)
What causes refraction to occur as light changes from one medium to
another?
_______________________________________________________________
______________________________________________________
[1]
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Page 13 of 21
QUESTION CUM ANSWER PAPER FOR SECOND TERM : 2014 - 2015
9.
Petronella investigates several indicators.
a) She finds this table on the internet.
Indicator
pH 1
pH 4
pH 7
Methyl orange
Red
Yellow
Yellow
Phenolphthalein
Colourless Colourless Colourless
Universal indicator
Red
Orange
Green
pH 10
pH 13
Yellow Yellow
Pink
Pink
Blue
purple
Petronella tests a liquid with some of the indicators.
The table shows her results.
Indicator
Colour of indicator in the liquid
Methyl orange
Red
Phenolphthalein
Colourless
Estimate the pH value of the liquid
__________________________________
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[1]
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Page 14 of 21
QUESTION CUM ANSWER PAPER FOR SECOND TERM : 2014 - 2015
b) The diagram shows an experiment to measure how much acid is needed to
neutralise an alkaline solution.
A few drops of litmus solution have been added to the acid and to the alkali.
1) Complete the labels on the diagram to state the colour of the litmus in
each and suggest a possible pH value in each case.
[2]
2) What is the pH value in the conical flask when the alkali has just been
neutralised?
pH _____________
[1]
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Page 15 of 21
QUESTION CUM ANSWER PAPER FOR SECOND TERM : 2014 - 2015
10.
Pollutants make the environment toxic and unhealthy. They adversely interfere
with the natural functioning of ecosystems. Few pollutants and their sources are
given along with effect of it on the environment.
a)
Fill in the empty boxes below with the sources of pollutants, pollutants and
what is caused from their release in the environment.
Sources
[2]
Pollutant
Causes
Chlorofluorocarbons
(CFC)
Ozone layer
depletion
Combustion of
fossil fuels
Acid Rain
Agriculture
DDT (pesticides)
Car exhausts
Carbon dioxide
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Page 16 of 21
QUESTION CUM ANSWER PAPER FOR SECOND TERM : 2014 - 2015
b) Explain the term global warming.
_______________________________________________________________
_______________________________________________________________
_____________________________________________________
[1]
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Page 17 of 21
QUESTION CUM ANSWER PAPER FOR SECOND TERM : 2014– 2015
11.
a) Draw a line from the name of each rock below to the group of rocks it
belongs.
b) Draw a line from each group of rocks to the way the group of rocks was
formed.
[3]
Group of
Rocks
Way the group
of rocks was
formed
Granite
Sedimentary
The effect of high
temperature and
pressure on
limestone
Marble
Igneous
Formed when
magma cools
Sandstone
Metamorphic
Particles are
deposited in layers
Name of
Rock
c) In which type of rock do fossils form?
______________________________________
[1]
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Page 18 of 21
QUESTION CUM ANSWER PAPER FOR SECOND TERM : 2014 - 2015
d) If a plant and animal is covered by sand or mud quickly after death, it stands
a good chance of becoming a fossil.
State 2 ways in which the covering can preserve the body and keep it intact.
[2]
1. __________________________________________________________
_________________________________________________________
2. __________________________________________________________
_________________________________________________________
__________________________________________________________
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Page 19 of 21
QUESTION CUM ANSWER PAPER FOR SECOND TERM : 2014 - 2015
12.Identify the micro-organism given in the figure below.
a) Name the micro-organism
____________________________________________
[1]
b) Name the organ it uses for locomotion
___________________________________________
c) Draw an animal cell and label the parts in the space given below.
[1]
[2]
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Page 20 of 21
QUESTION CUM ANSWER PAPER FOR SECOND TERM : 2014 - 2015
Rough Sheet
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