Ministry of Education
SARPANG LOWER SECONDARY SCHOOL
ANNUAL EXAMINATION- 2017
Sarpang
Subject : Science:
Full mark: 100 Class : IV Time: 2 hours
Name:____________________________________ Roll No:________
Sec:______
Section: A (25
questions (25 x1 = 25)
Direction
Each question in this section is
followed by four possible choices of answers.
Choose the correct answer and
circle it.
Question : I
1.
The following objects are made of metal EXCEPT.
A. Geometry box
B. Thumb pin
C. Paper
D.
Electric pole
2. Glass and metal are examples of
A. raw
materials
B. artificial
materials
C. degradable
materials
D.
non-degradable
materials
3. The instrument used to measure mass
is called …………
A. scale
B. Pan
Balance
C. Measuring
tape
D.
measuring
cylinder
4. A substance that dissolves in liquid
is called…………………
A. pure
substance C. soluble substance
B. impure
substance D. insoluble
substance
5. Which of the following will
contaminate water?
A.
watering plants
B.
burning waste
C. Sweeping classroom
D.
throwing waste
in river
6. The best method to treat water is
A.
Boiling
B.
Filtration
C.
Decantation
D.
Sedimentation
7. Gravitational force is an example of
A. Contact
force
B. Effect
of force
C. Non-contact
force
D.
Gravitational
force
8.
Which force is applied when you kick a ball?
A. lift
B. pull
C. Push
D.
Throw
9. Vibration is
A. Upward
movement of an object
B. Forward
movement of an object
C. Backward
movement of an object
D. Back
and forth movement of an object
10. You are not able to see light
through a bent straw because
A. Light
is absorbed by the straw
B. Light
bends through the straw
C. Light
travels in a straight line
D. Light
is not bright enough
11. The main source of electricity in Bhutan
is
A. Sun
B. Wind
C. Water
D.
Battery
12. Which one of the following
connection is the complete circuit?
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 |
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13.
Which set of things use electricity?
A. TV,
magnet and pin
B. Pressure
cooker, rice cooker and radio
C. Electric
bulb, spoon and electric kettle
D.
Computer, fans
and radio
14. What do all animals need to live?
A. Eyes,
nose and ears
B. Roots, leaves
and stems
C.
Food, water and
air
D. Light, soil and
nutrients
15. Living thing
that make their own food using sunlight
and it is known as
A. Herbivore
B. Autotroph
C. Carnivores
D.
Omnivores
16.
Feeding tube of a butterfly is called
A. mouth
B. antenna
C. proboscis
D.
Camouflage
17.
The best place for the growth of Sunlight is ……..
A. Verandah
B.
Bath room
C.
Bed room
D. Store
room
18. Plants prepare their own food , so during
the preparation of food, plants use……..
A. Oxygen
B. Nitrogen
C. Hydrogen
D.
Carbon dioxide
19. It is seen that different parts of
the plant have their own function,
Identify the part of the plant that absorb water from the soil.
A. Stem C. Leaf
B. Root D. Fruit
20. Food such as wheat, rice and maize
are known as
A. Fruits
B. Grains
C. Pulses
D.
Vegetables
21. Dorji is ten years old and weighs 50
Kg. Which foods should he take less?
A. Butter
and pork
B. Rice
and spinach
C. eggs
and apples
D.
Radish and oil
22. What should we eat to protect
ourselves from disease ?
A. Fats
B. Junk
food
C. Milk
products
D.
Fruits and
vegetables
23. We experience day and night due to
A. Tilt
of the Earth
B. Rotation
of the Earth
C. The
shape of the Earth
D.
Revolution of
the Earth
24. The shape of the Earth is
A. Circle C. Oblate spheroid
B. Sphere D. Round
25. The time between midnight to midday
is called
A. Noon
B. Post
meridiem(p.m)
C. Ante
meridiem(a.m)
D.
Midnight
Question : II (10 X 1 = 10 marks)
Match the following
|
Column A
|
Column B
|
Answer
|
|
1. Bacteria and fungi
|
A. Rice and milk
|
1.
|
|
2. Gas on heating
|
B. making water clean
|
2.
|
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3. Solid-liquid mixture
|
C. Gravitational force
|
3.
|
|
4. Filtration
|
D. Television and mobile
|
4.
|
|
5. The pull of the Earth
|
E. Micro-organisms
|
5.
|
|
6. Electrical appliances
|
F. Flower
|
6.
|
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7. Butterfly
|
G. Expands
|
7.
|
|
8. Reproductive part of plant
|
H. Lentils
|
8.
|
|
9. Pulses
|
I. Sun, moon and eight planets
|
9.
|
|
10. Solar System
|
J. proboscis
|
10.
|
Question
:III
(10 X 1 = 10 marks)
Fill in the blanks ( 10 x 1 = 10marks)
1.
The quantity of matter contained in our body is known as _____________.
2.
Oil and kerosene ____________ in water.
3.
Solid left behind after filtration is called ________________.
4.
Apple falls on the ground because of the____________________________force.
5.
The flow of electricity is called _________________.
6. It is difficult to see a grasshopper in the
________________ grass.
7.
Animals which kill and eat other animals are called _________________ and the
victims are
called
prey.
8.
In absence of light leaves become ______________.
9. To keep us healthy we should eat energy giving food,
body building food and _____________food.
10.
The movement of the earth around the sun is called _________________.
Question :
IV (10 X 1 = 10 marks)
Write
TRUE or FALSE for the following statement.
1.
We use natural things to make man-made things._____________
2.
Solid has definite shape and size._____________
3.
Milk and water is a liquid-liquid mixture._____________
4.
It is safe to drink river water.______________
5.
A shadow is formed when an opaque or translucent object blocks the
light.___________
6.
All kinds of metals are attracted by magnet._____________
7.
A tiger has stripes which help to camouflage it from its prey._____________
8.
Oxygen is used by plants for making food.______________
9.
Fruit and vegetables are examples of protective food._____________
10.
A fixed path on which the Earth moves around the sun is called
orbit._____________
Question :-
V (25 marks)
Answer
the following questions.
1.
List down an example of each for the following characteristic. (2marks)
|
Opaque
|
Transparent
|
Heavy
|
Light
|
|
|
|
|
|
2.
Why is a cake not a pure substance?
(2marks)
Ans.__________________________________________________________________________
__________________________________________________________________________
3.
What iscontact force? Give one example. (2marks)
Ans:
__________________________________________________________________________
4.
Write two sources of light. (1mark)
Ans:_________________________________________________________________________
5.
Explain what living things are.Give two examples . (2marks)
Ans:__________________________________________________________________________
__________________________________________________________________________
6.
Define the following with an example each.
(2x2=4marks) a.
Habitat:_______________________________________________________________
_______________________________________________________________________
b.
Herbivore: _____________________________________________________________
7.
Label the parts of the flower as shownin the diagram. (4marks)
 |
8.
Name any two power stations in Bhutan.
(2marks)
Ans: 1.
------------------------------------------------- 2.
------------------------------------------------
9.
A farmer works in the field from morning to evening while a person going to
office works
From 9 am to 5 pm. Who should eat more
rice and lentil? Why? (2marks)
Ans:__________________________________________________________________________
_____________________________________________________________________________
|
10.
Which movement of the Earth is shown in the given
picture
on the right. (2mark)
Ans:_______________________________________________________________________________________________
|
Question :VI (20 Marks)
1. Why does a football float in water? (2marks)
Ans:_________________________________________________________________________
________________________________________________________________________
2. What is matter? Give two examples. (2marks)
Ans:_______________________________________________________________________
_________________________________________________________________________ 3. Explain why decantation cannot be used
to separate the mixture of salt and water.
(2marks)
Ans:__________________________________________________________________________
___________________________________________________________________________
4.
Name two places where electricity is used?
( 1mark)
Ans: 1. ___________________2. _________________________
5.
Draw a food chain using the following.
(2marks)
Frog, Plant, Snake, Eagle, Caterpillar
6.
Why does a food chain always start with a plant? (2marks)
Ans:
__________________________________________________________________________
___________________________________________________________________________7.
Can plants grow without light? Why?
(2marks)
Ans:
_________________________________________________________________________
________________________________________________________________________
8.
Write two differences between plants and animals. (2marks)
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Plants
|
Animals
|
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1.
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1.
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2.
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2.
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9.
Why do you eat different kinds of foods?
(2marks)
Ans:
__________________________________________________________________________
__________________________________________________________________________
10.
Name any two energy giving food.
(1mark)
Ans: 1.
--------------------------------------
2.
---------------------------------------------
11.
Differentiate between rotation and revolution? (2marks)
Ans:__________________________________________________________________________
_________________________________________________________________________
Best
of Luck
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