NSO Science Olympiad Online Mock Test Class 6 Set A

1. What is the source of food articles shown in the given figures?  

2. The given figure represents a section of a tree trunk. Find out how old this tree was ?

3. Given below are four (iiv) articles. Suggest the most appropriate biodegradable articles that can be used to replace them and select a correct option.
(i) Plastic bags (ii) Plastic pots
(iii) Chemical fertilizers (iv) Plastic plates

4. Landfill is an area where the garbage collected from a city or town is

5. Given below are some of the adaptations shown by organisms living in the mountain regions. Select the ones which do not correctly describe the mountain habitat.
(i) Animals have thick skin or fur. (ii) Goats have strong hooves.
(iii) The shape of trees is normally of cone type. (iv) The stems become thick, flat and green.
(v) The leaves are covered by waxy layer. (vi) The animals have streamlined body.

6. Garima took a plant found on the land and carefully put it inside Water & minerals Stones a jar of water as shown by tying it to stones. She added the minerals required by the plant in the water and kept it in sunlight. After some days the plant died. What could be the probable reason for its death ?

7. Observe the movement of a fish as shown in the figure. Which part of the fish helps it to move forward ?

8. In which labelled part(s) is a movable joint present ?

9. Smita set up an apparatus as shown in the given figure. After keeping the apparatus for some time in the Sun, she found that some gas has collected in the top part of the test tube. Which gas could it be ?

10. Given below are three statements (a-c) each with one or two blanks. Select the option which correctly fills up the blanks in two statements. (a) In cacti, the (i) is thick, fleshy and green. It carries out photosynthesis. (b) The male reproductive part of a flower is (i) . (c) The coloured (i) of a flower attract insects for (ii) .

11. Which of the following materials upon burning smells like burning paper ?
(i) Cotton (ii) Silk (iii) Flax (iv) Wool (v) Fur (vi) Jute

12. Which should come in the blank next to (iv) in the given figure ?

13. The child in the given figure is suffering from a deficiency disease. This disease is caused due to deficiency of

14. If your mother is buying food items packed in packets, bottles or tins, which of the following information must she look for ?
(i) Contents (ii) Date of manufacture (iii) Expiry date (iv) Max. retail price
(v) Any mark of quality like AGMARK, FPO.

15. Identify missing parts P, Q & R in the given flow chart describing preparation of ghee.

16. Match the organisms in column I with their food habits in column II and select the correct option
from the codes given below :
Column I Column II
(a) Snail (i) Human or animal blood
(b) Peacock (ii) Plant nectar
(c) Bees (iii) Grains, insects & snakes
(d) Mosquito (iv) Decaying plant parts

17. A mixture contains two solids P and Q. Solid P is light in weight while solid Q is very heavy. Their sizes are almost same. Here, P is the unwanted component. To get pure solid Q, which separation method would you suggest ?

18. Match column I with column II and mark the correct option from the codes given below.
Column I Column II
(a) Nitrogen gas + oxygen gas (i) 99% of air
(b) Loss of water by plants (ii) Water cycle
(c) Drought (iii) Transpiration
(d) Replenishment of water (iv) Scarcity of ground water

19. Water is poured into the tank until it is half full. Which of the objects in the tank will move up to the water surface ?

20. The given figures show particles of the same matter. In which picture is the matter hottest ?

21. The given experiment shows

22. What conclusion did he make after the experiment ?

23. Reema has been trying to make a ball pass through a steel loop but remains unsuccessful. What should Reema do to make the ball pass through the steel loop ?

24. What kind of change is taking place in the given pictorial representation?

25. Study the flow chart carefully and match column I (Objects) with column II (Materials).

26. A blurred view is obtained through a paper when a little amount of oil or grease is applied on it because the paper becomes _______

27. Which one of the following is not a similarity between Earth and Moon?

28. The object which can form both circular and rectangular shadows is

29. The passengers sitting in a flying aeroplane are in _____ with respect to clouds, but are in ____ with respect to the interior of the aeroplane.

30. Study the given circuit diagram. Which of the following statements about the circuit are true? (i) An electric current transports energy from component R to component P.
(ii) Component Q is in the 'on' position that allows electricity to flow in a complete path.
(iii) The wires that connect components P, Q and R in the circuit must be covered with electrical insulations.
(iv) The wires that connect components P, Q and R in the circuit are good electrical conductors.

31. Which of the following materials is not grouped correctly ?

32. An opaque object can form two shadows as shown. Which object do the shadows belong to ?

33. Which of the following sources provide the most similar amounts of energy?

34. The diagram shows a person viewing the image of a pencil in a plane mirror. How far from the person does the image of the pencil seem to be?

35. The motion exhibited by the ball rolling down on inclined plane is _____

36. Ms. Nupur wants to buy 30 cupcakes for her class. There are 4 cupcakes in each package.
What is the least number of packages she will have to buy?

37. Which of the following figures shows only a flip of the shaded figure across line m?

38.

39. What is the value of the expression shown here ?
10 + 16 / 2 × 4

40. Mr. Varun asked his students to write down the first five prime numbers. Which of the following is an accurate listing of the first five prime numbers?

41. Mrs. Neha wrote the following problem on the board and asked her students to solve it.
Every Tuesday (t), Kim practices the piano for 30 minutes.
Every Wednesday (w), she practices twice as long as on Tuesdays.
How long does Kim practice on Wednesdays?
Which equation will help to determine how long Kim practices on Wednesdays?

42. Pratik glued several different geometric figures to his tabletop for decoration. What type of geometric figure is Figure 1 ?

43. Mohit has twice as many nails as he has bolts. He has 70 nails. How many bolts does he have?

44. Mr. Karan created the given function table. What rule did he use to find the output number?

45. Mr. Ashmit drew the given figure on the board. Which word describes the line segment AD ?

46. How many more squares must be shaded so that 1/3 of the figure is shaded ?

47. A car dealership had a special sale.
It had 100 cars to sell.
It sold 26 cars on Friday.
It sold 37 cars on Saturday.
It received 12 new cars on Monday.
Which of the following expressions shows the number of cars the dealership had after the cars received on Monday?

48. Which of the following statements describes the information given in the table ?

49.

50. The given tally chart shows how John's class voted for the games they should play at the class outing. Which two games received the highest and second highest votes respectively ?