Class IV NSO Sample Paper 7

October 25, 2017 | Author: Nilesh Gupta | Category: Litre, Evaporation, Water, Rain, Heat
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The National Science Olympiad is organized every year to motivate students to strive for better and deeper understanding...

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1. Reema’s

mother sent her to the grocery store to buy 2 kg of apples. Which of the following scales shows 2 kg

weight?

A.

B.

C.

D.

2. If 5

can hold 25 litres of water, then 2 such

can hold ……….. litres of water.

A. 5 L B. 10 L C. 15 L D. 20 L

3. A few boys

shared 74 sweets. The eldest received 2 sweets more while the rest received 8 sweets each. How many boys were there altogether? A. 7 B. 8 C. 9 D. 10 4. When

you stretch all the 4 fingers of your hand. What angles do your fingers make?

A. Acute angles B. Obtuse angles C. Right angles D. All of these

5. 2

litres 8 ml = ----------- ml

A. 28 B. 208

C. 2008 D. 20008

6. Anjali

wants to measure the temperature of a beaker water. Which of these tools should she use?

A.

B. C. D. 7. Look

at the pattern below: 82, 88, 94, _____, 106, 112 What is the missing number? A. 102 B. 100 C. 98 D. 96

8. Example of an

A.

2 3

B.

1 3

C.

23 23

D.

11 15

9. 30

+ 8/10 + 0 + 7/1000 =

A. 30.807 B. 30.0807 C. 30.97 D. 30.870

10.

1

improper fraction is

1 2 , 3  7 7

3 7

4

A. 5

B.

3 7

1 C. 7 2

D.

3 7

11. Which

shows flip across the line?

A.

B.

C.

D.

12. What

A. B. C. D.

fraction of the adjoining square is unshaded?

3 4 5 8 3 7 3 8

13. 17110,

17106, 17102, _____ The missing number in the number pattern is

A. 17008 B. 17098 C. 17108 D. 17198

14. How many squares

are there in the figure below?

A. 15 B. 16 C. 21 D. 22

+

15.

+

+

What is

= 84 +

+

-

?

= 15

A. 3 B. 249 C. 252 D. 255

16. Each

expression shown below has the same value. 2×6 3×4 24 + 2 Which of the following has the same value as each of the three expressions given above? A. 72 ÷ 12 B. 72 ÷ 9 C. 72 ÷ 8 D. 72 ÷ 6

17. Sum

of the odd numbers between 5 and 12 is

A. 17 B. 16 C. 7 D. 27

18. Ranjana lives A. 6,040 B. 6,004 C. 640 D. 604

at Six Hundred Four Defence Colony. Which of these is the same six hundred four?

19. In

Sneha’s flower garden, 1/7 of the tulips are red, 4/7 are yellow, and the rest are white.

= Red.

= yellow

= White What fraction of the tulips is white?

A. B. C. D.

1 7 2 7 3 7 4 7

20. Study the graph

carefully and answer the questions. The line graph below shows the number of cars sold over a

period six months.

Find the difference between the number of cars sold in August and May, is

A. 44

B. 46 C. 48 D. 50

21. Which

of these shapes has no corners?

A. Triangle B. Circle C. Rectangle D. Square

22. 12.5

=____

A. 579 B. 5079 C. 5709 D. 21000

23. 1

litre is

A. 10 decilitres B. 10 centilitres C. 10 millilitres D. 100 decilitres

24. Study the graph

and answer the questions

The four boys have _____ toy cars altogether A. 95 B. 100 C. 105 D. 110

25. Find

the value of

+

+

+

= 1975

= 2925

+

= 1000

-

=

+

A. 0 B. 25 C. 975 D. 1000

26. Study the graph

carefully and answer the questions. The line graph below shows the number of cars sold over a

period six months.

If each car agent gets a commission of Rs. 545 on every car he sells, how much must the company pay to the car agents in August and September? A. Rs. 90470 B. Rs. 92650 C. Rs. 94180 D. Rs. 94830

27. Below is

a description of a plant. I am a land plant. I have flowers which grow singly. My flowers give off a nice smell.

Which one of the following is the plant likely to be?

A. Rose B. Lotus C. Dahlia D. Sunflower

28. Banana flowers

is used as vegetable and generally cooked in

A. Kerala B. Punjab C. Rajasthan D. Haryana 29. The khejadi

tree is found mainly in desert areas. It can grow without much water. Its bark is used for making

A. Tea B. Coffee C. Medicines D. Rubber 30. The herd

of lions is called

A. Mane B. Badger C. Pride D. Mink

31. Select

the correct option from the following

A. Animals having hair

Lizard

on their skin Animals having feathers on their skin

Bat

B. Animals having hair

Camel

on their skin Animals having feathers on their skin

Peacock

C. Animals having hair

Frog

on their skin Animals having feathers on their skin

Mongoose

D. Animals having hair

Pigeon

on their skin Animals having feathers on their skin

Sparrow

32. In

which of the following animals, ears are not seen?

A. Cat B. Elephant C. Giraffe D. Frog

33. In

the given figures a & b change in the state of water is taking place. Name the process in both the set ups respectively.

a.

b.

A. Fermentation & boiling B. Boiling & perspiration C. Boiling & evaporation D. Condensation & evaporation

34. Which

would be the best usage of rainwater?

A. Use it to cook rice B. Use it to rinse your vegetables C. Use it to wash your clothes D. Use it to wash your verandah

35. We get

rain through the continuous_______ and ______ of water

A. Radiation, evaporation B. Evaporation, condensation C. Melting, boiling D. Boiling, freezing 36. Which

of the following does not use air pressure to move?

A. Rockets B. Helicopters C. Parachutes D. Aircrafts

37. Nowadays,

many --------- travel at a supersonic speed

A. Trains B. Planes C. Ships D. Two-wheelers

38. How is

the bridge shown in given figure different from a bamboo bridge?

A. It is used only after the rain, when there is knee-high B. It is not a permanent way to cross water bodies C. It is made up of bricks and iron rods D. Only one man can cross it at a time 39. Which

water everywhere

of the following planets is called as Roman God of war?

A. Mercury B. Venus C. Earth D. Mars

40. Which

of the following statements is correct?

A. Sand absorbs heat more quickly and cools down faster than B. Water absorbs and then loses heat more slowly than sand C. Sun is not able to heat up sand and water D. Both (A) & (B) 41. Which

water

of the following statements is correct?

A. Sand absorbs heat more quickly and cools down faster than B. Water absorbs and then loses heat more slowly than sand C. Sun is not able to heat up sand and water D. Both (A) & (B) 42. Savita is

water

watching a movie on television. Which of the following senses is she using?

A. Smell and hearing B. Touch and smell C. Touch and sight D. Sight and hearing

43. The figure shows

one of the important organ systems in the human body.Which is true about the organ labelled X?

(i) It produces urine. (ii) It excretes urea. (iii) It stores urine A. (i) & (ii) B. (ii) & (iii) C. (i) & (iii) D. (i), (ii) & (iii)

44. Match

the two columns and select the correct option

A. Column I

Column II

Exchange of gases takes place

B. Column I

Column II

Controls all our actions

C. Column I

Pumps blood to all

Column II

parts of the body

D. Column I

Column II

Organ of excretory system

45. Look

at the given, figure carefully. What materials are used to make the parts labelled as R and S?

A. R-Glass S-Plastic B. R-Glass; S-Rubber C. R-Plastic; S-Rubber D. None of the above

46. Which

of the following is made up of rubber?

Sole of shoes

A.

B.

Tyre

Rain coat

C. D. Both

(A) & (B)

47. Find

out the correct statement from the following

A. Heating and cooling bring changes in matters B. Physical change is always a permanent change

C. Gases cannot be dissolved D. All liquids get mixed with

in liquid each other

48. Sourabh

blew at a plastic toy windmill and then held it under a tap from which water was dripping. Which of the following was Sourabh trying to prove?

A. That wind and flowing water possess energy B. That his mouth and the tap possess energy C. That his mouth and the water possess energy D. That moving air and moving water does not possess 49. Identify the odd

energy

one out among the following

A. Doctor B. Lawyer C. Teacher D. Thief

50. A person

who makes or mends arms and weapons is known as

A. Armour B. Armourer C. Armstrong D. Armlet

1. D 6. B 11. A 16. D 21. B 26. B 31. B 36. A 41. D 46. D

2. B 7. B 12. B 17. D 22. D 27. A 32. D 37. B 42. D 47. A

3. C 8. C 13. B 18. D 23. A 28. A 33. C 38. C 43. A 48. A

4. A 9. A 14. D 19. B 24. C 29. C 34. D 39. D 44. C 49. D

5. C 10. A 15. B 20. B 25. A 30. C 35. B 40. D 45. B 50. B

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