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Rustomjee Cambridge International School & Junior College 1st TERM EXAMINATION (2012 – 13)

SUBJECT: SCIENCE Grade: IV Div: __

---Question

Number 1 2 3 4 5 6 7 8 9 10 Total

Marks Obtained

QI A) Fill in the blanks. (10 marks)

1. Most of the plants are green in colour, as they contain a green colour substance called ________________________.

2. Gases such as oxygen and carbon dioxide enter the leaves through ____________. 3. Iodine solution turns ___________ when it comes in contact with starch.

4. Insects breathe through special breathing tubes called _________________. 5. Heavy insoluble impurities that settle down are called ___________________. 6. ________________________ is the process of giving out excess water in the form

of water vapour through stomata.

7. The process of getting rid of old skin is called _______________________. 8. The top surface of the ground water is called _________________________. 9. Any event that harms people and happens unexpectedly and often suddenly is

called an _________________________.

10. A larva of a butterfly is called ________________________.

Name:_____________________________________________________________________ Roll No. : _______

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B) Name the following: (4 marks) 1. Arboreal animals a.___________________ b. ____________________ 2. Methods of purification of water a.___________________ b.______________________ 3. Immersed plants a.___________________b.______________________ 4. Natural non-living things a.___________________ b._____________________

C) Tick the correct alternative. (5 marks)

1) During the process of photosynthesis … a) Water + Carbon dioxide is given out b) Water + Oxygen in given out

c) Water + Nitrogen is given out

2) A group of college students order a pizza with mushrooms, ham, and pineapple. The mushrooms belong to the kingdom of

a) Amoeba b) Bacteria c) Fungi

3) Any living thing that depends on a producer for food is a a) Scavengers

b) Predator c) Consumer

4) Can you tell why does caterpillar make cocoon? a) Cocoon is build to attract predators

b) Cocoon is a trap to catch prey c) Cocoon is build for protection

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5) The function of chlorophyll is….

a) to supply water and other nutrients to all parts of the plant. b) to trap sun’s energy.

c) to help in exchange of gases.

QII A) Look at the given picture and answer the question. (4 marks)

a) How does each part i.e. A, B and C of the lotus plant helps it to survive in the aquatic environment?

____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ b) Tick another feature that helps the lotus plant to survive in water.

Needle like leaves More air spaces Leaf blades close

A) Thick, long and hollow stem.

B) Waxy coating on the leaves.

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B) Write true or false against each statement and rewrite the incorrect statement: (4 marks) 1) The young stage of cockroach is called as chrysalis. __________________

_________________________________________________________________ 2) Pouring water in the mouth of an unconscious (fainted) person is safe. ___________ _________________________________________________________________ 3) Mammals are animals that lay eggs. ________________

_________________________________________________________________ 4) Aerial animals can fly because of their light body weight. ________________ _________________________________________________________________ C) Draw a leaf, label its parts and state the functions of any two parts. (5 marks)

Funtions: ______________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________

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D) What would happen if: (3 marks) 1) A chameleon could not change its colour to match its surroundings

_______________________________________________________________________ _______________________________________________________________________ 2) We break a partly hatched egg.

_______________________________________________________________________ _______________________________________________________________________ 3) Fishes do not have tails.

_______________________________________________________________________ _______________________________________________________________________ E) Write the habitat, adaptation features or examples and complete the table. (5 ½ marks) Habitat Adaptation

feature

How it helps in adaptation? Example

1) Desert region i)Long legs

ii) _______

i)________________________________ _________________________________ ii) To give out heat from the body.

_________ _

2) __________ i) Flippers i)________________________________ _________________________________

Turtles

3)Snowy region i) Short ears

ii) __________

i)________________________________ _________________________________ ii) To give warmth to the body.

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F) Arrange the organisms in the proper order to construct a food chain. (2 ½ marks) Toad Hawk Lettuce Snake Slug

a.

Name a predator in the above food chain _________________________

b. Name a prey of that predator. __________________________ c. Name the producer in above food chain._____________________

G) Classify the given below animals into egg-laying and mammals:- ( 5 marks) Crab, Cheetah, Owl, Whale, Snake, Panda, Duck, Horse, Turtle, Dolphin.

Egg – Laying animals - ___________________________________________________ Mammals - ___________________________________________________

QIII A) Give reason (6 marks)

1. Mangoes are sweet in taste.

____________________________________________________________________ 2. Fungi cannot make their own food.

____________________________________________________________________ 3. Water needs to be purified before drinking.

____________________________________________________________________ ____________________________________________________________________ 4. Butterfly lays its egg on a particular kind of plant.

____________________________________________________________________ ____________________________________________________________________ 5. Leaves are called the “food factory of the plant”.

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____________________________________________________________________ ____________________________________________________________________

B) Answer the following questions:- ( 8 marks)

1) What precautions should be taken while handling electrical equipments? Write any 2 ____________________________________________________________________ ____________________________________________________________________ 2) What is an egg? Why is the egg shell porous?

____________________________________________________________________ ____________________________________________________________________ 3) Ram performed the decantation method to make the water fit for drinking but he

could still see some impurities in it why?

____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ 4) How can we identify a plant from grass family? Write any 3 uses of grass.

____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________

C)Explain the term. (1 mark)

Seasonal Migration – ____________________________________________________ _______________________________________________________________________ _______________________________________________________________________ D) Circle two materials that are non-living things obtained from living things. (1 mark) Furcoat ceramic pot soil glass Flute

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E) Give any three differences between plants and animals (6 marks)

Plants Animals

Locomotion

Producers

Respiratory organ

.

F) Label the parts of the egg and explain any two parts of the egg. (4 marks)

_______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ QIV A) Look at the picture and answer the following: ( 1 mark) 1) What will happen if you ride bicycle in this manner?

_______________________________________

B) Sam wants to set up a Toy factory. He wants his toys to float in water. (1 mark)

___________________________________________________ ___________________________________________________ ___________________________________________________ _

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Help him to choose the correct option by ticking the same. 1) What raw material should I use to make the toy?

a) steel b) wood c) clay d) iron 2) His toys should be of …

a) Heavy weight b) Light weight

C) Look at the picture and write the correct option in the box. (2 marks)

Objects

Straw Sugar Syrup Bunch of keys Oil

In water :Floats / Sink / Mixes

D) Mike set up an experiment as shown in the diagram to show the best condition for dissolving a solid quickly in water. (2 marks)

a) In which case will the sugar cube dissolve faster?

________________________________________________________________ ________________________________________________________________ b) Name the solute in the above experiment? ____________

c) Tick the correct option:

1) Higher the temperature greater the rate of solubility.

2) Lower the temperature greater the rate of solubility. Sugar cube in cold water

waterwaterwater

References

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