NSO Science Olympiad Online Mock Test Class 8 Set C

Refer to NSO Science Olympiad Online Mock Test Class 8 Set C below. Students of Class 8 Science can do the below online test and refer to the full list of free Class 8 Science Mock Online Test provided below. These online Mock tests for Science in Class 8 have been designed based on the pattern of questions expected to come in the upcoming Class 8 examinations and the latest syllabus issued by Olympiad, NCERT and KVS and to help students strengthen their understanding of key topics. We have also provided MCQ Questions for Class 8 Science with answers for all topics.

Online Mock Test for Class 8 Science NSO Full Syllabus

In the online practice Mock test for Science NSO Full Syllabus you can see the list of questions below with options out of which you have to select one correct answer and after completing the test you can check your answers and score. This mock test will help Class 8 students to check understanding of all topics in NSO Full Syllabus. This includes multiple choice questions from Class 8 Science book to test your knowledge and boost confidence.

NSO Full Syllabus Science Class 8 Mock Test

1. Diabetics who are on rapid-acting insulin are advised not to wait more than 15 minutes to eat after taking an insulin shot. Which of the following best explains this?

2. A copper vessel exposed to moist air for a long time is shown in figure I and sulphur powder is burnt in oxygen as shown in figure II. NSO-Science-Olympiad-Online-Mock-Test-Class-8-Set-C-1   1, 2, 3 and 4 are respectively

3. Refer to the given figures of bacteria X, Y and Z and read the statements (i), (ii), (iii) and (iv) regarding them. (i) Bacterium X can be causal organism of typhoid.
(ii) Bacterium Y can cause a disease which disrupts proper exchange of gases.
(iii) Bacterium Z can convert lactose sugar of milk into lactic acid.
(iv) Bacterium X can be the causal organism of cholera.
Which of these statements are incorrect?

4. We can see an image not only on a plane surface, but also on a curved one. For example we can see our image on a steel spoon. The image formed at the outer surface of a spoon is upright and the image formed at the inner surface of the spoon is smaller and inverted.
If we move the spoon (inner surface) slowly away from our face, how does the image change?

5. We can see an image not only on a plane surface, but also on a curved one. For example we can see our image on a steel spoon. The image formed at the outer surface of a spoon is upright and the image formed at the inner surface of the spoon is smaller and inverted.
The outer surface of the spoon which is bulging out acts like a ________ and inner side of spoon acts like a ________.

6. Refer to the given figure showing cross-section of a flower and select the correct option to fill the blanks in the following paragraph. NSO-Science-Olympiad-Online-Mock-Test-Class-8-Set-C-2   Fertilization takes place when pollen grains from the male part, (i) reach the part of the flower labelled (ii) . The (iii) increases in size and becomes the fruit, while (iv) becomes the seeds.

7. Unscramble the given words and select the option that gives name of the process of washing wool with soap water to remove dirt and greese.

8. Transpiration is the loss of water from the surface of a plant. Which of the following statements describes why this process is useful for plants?

9. Study the given flow chart. What are P, Q and R respectively?

10. Which of the following organisms has been incorrectly described?

11. Study the given Venn diagram. X is likely to be _______.

12. Select the incorrect statement regarding the given figure. NSO-Science-Olympiad-Online-Mock-Test-Class-8-Set-C-3  

13. Natasha put a plant cell and an animal cell of similar size in two similar dishes containing the same amount of water overnight. The next day, she observed the
cells under the microscope and noticed that the animal cell has burst and the plant cell looked more bloated. She drew the following conclusions:
(i) The animal cell has only a thin layer of cell membrane. When too much water enters it, it bursts.
(ii) Plant cell has cell wall made up of cellulose which is very strong material and prevents the cell from bursting.
(iii) The plant cell contains vacuole and therefore can absorb more water.
(iv) The animal cell does not possess vacuole.
Which of the above given conclusions are correct?

14. Study the given flow chart. Which of the following is suitable heading for X, Y and Z?

15. Red Data Book keeps the record of _______.

16. Refer to the given diagram of nitrogen cycle. Match the letter from the above diagram with the processes/substances given below and select the correct option.
(a) Animal protein (b) Nitrate ion
(c) Plant protein (d) Nitrite ion
(e) Dead organic matter

17. Read the following statements and select the option which correctly fills any three blanks.
(i) In (a) irrigation emitters let out trickling water near the roots.
(ii) Removing the chaff from the grain is called
(b) , while separation of the grain from the crop is called (c) .
(iii) The organic substance obtained from dead plants and animal wastes is (d) .
(iv) Wheat and gram are rabi crops, while maize and (e) are kharif crops.

18. Mrs. Usha, a science teacher performed the following experiments :
Experiment 1 : She heated sugar in a China dish. A black substance was obtained along with caramel fumes.
Experiment 2 : She mixed sand and crushed naphthalene balls in a China dish. Then she covered the China dish with a watch glass with some ice kept on it and heated. Crystals of pure naphthalene were seen on the underside of the watch glass.
Identify the changes taking place in these experiments.

19. Fill in the blanks by choosing an appropriate option.
__I_ are used in the manufacture of detergents, fibres, polythene and other man-made plastics. _II_ obtained from natural gas, is used in the production of fertilisers (urea). Petroleum is also called __III__ due to its great commercial importance.

20. Plants do not grow well when the soil is either too acidic or too basic. What should be added to the soil if it is too acidic?

21. Solution of which of the following oxides in water will change the colour of red litmus to blue?

22. Match the column I with column II and select the correct option from the given codes.
Column I Column II
P. Dark zone of flame (i) Rapid combustion
Q. Source of heat and (ii) Incomplete light in sun combustion
R. Burning of LPG gas (iii) Spontaneous
combustion
S. Luminous zone (iv) Nuclear reactions
T. Burning of (v) No combustion
phosphorus in air at
room temperature

23. Read the given statements about synthetic fibres and plastics carefully.
I. Polycot is a mixture of two types of fibres, polyester and cotton.
II. Calendar, woollen clothes and cold drink cans are all non-biodegradable.
III. Uniforms of firemen have coating of nylon to make them flame resistant.
IV. Polythene and PVC are the examples of thermosetting plastics.
Which of these statements is/are incorrect?

24. Three unknown solutions are taken in test tubes. Different indicators are added to these solutions to test their nature. Identify the substances X, Y and Z.

25. Each beaker shown in the given options, contains two same sized strips of different metals fastened together and immersed in hydrochloric acid. After 5 minutes, which beaker will contain the least amount of zinc ions?

26. Match the column I with column II and select the correct option from the given codes.
Column I Column II
(a) Jupiter (i) Seven rings
(b) Saturn (ii) Red planet
(c) Mars (iii) Morning star
(d) Neptune (iv) Great red spot
(e) Venus (v) Fourteen moons

27. Figure gives the speed-time graph of the motion of a car. What is the ratio of the distance travelled by the car during the last two seconds to the total distance travelled in seven seconds?

28. Metals are good conductors because

29. The terminals of a battery are joined by a length of resistance wire. Which change, on its own will decrease the current through the battery?

30. A positively charged object attracts a suspended light conducting ball. The light conducting ball can be
(i) negatively charged
(ii) positively charged
(iii) neutral

31. Deepak put twenty ice cubes of the same volume into four containers packed with different materials. He recorded the time taken for the ice to melt in each case. The table shows his results. Which of the boxes should he choose to carry ice that he needs to take to a friend’s house 120 km away?

32. Anju walks 8 m to the east, then 6 m to the south, then 8 m to the west and finally 6 m to the north. What is the distance covered and displacement of Anju?

33. Read the given statements and select the correct option.
Statement 1 : The size of a hydrogen balloon increases as it rises in air.
Statement 2 : The material from which the balloon is made can be easily stretched.

34. A car is accelerating on a road in the direction shown in the figure. The tyre shown is connected to the engine. In which direction is the force of friction exerted by the road on the tyre? NSO-Science-Olympiad-Online-Mock-Test-Class-8-Set-C-4  

35. The diagram shows a soft iron core coiled with wire. When the switch is turned on, iron nails are attracted. Which of the following ways will make the soft iron core to attract all the iron nails?

36. The given diagram shows the night sky in which stars are visible. Identify P, Q, R and S.

37. United Football Club is playing an evening match. The team’s jersey has blue and white stripes. What colour would the stripes appear under floodlights which produce a yellow light?

38. The given diagram shows a brick wall in between a man and a camp fire. How does thermal energy from the camp fire reach the man?

39. A cube of side a rests on the floor as shown in the given figure. Given that the pressure exerted by this cube on the floor is P, what is the pressure exerted by another cube of the same material of side 4a ? (Take g = 10 N kg–1)

40. The speed of sound in different media is different. Which of the following options is correct regarding the speed of sound in different media?

41. If P + Q means 'P is the brother of Q', P × Q means 'P is the wife of Q' and P ÷ Q means 'P is the daughter of Q', then which of the following means 'A is the niece of D'?

42. Select a figure from the options which will continue the same series as established by the Problem Figures.

43. There is a certain relationship between figures (i) and (ii). Establish the similar relationship between figures (iii) and (iv) by selecting a suitable figure from the options which will replace the (?) in figure (iv).

44. Select the correct water image of the given Fig. (X).

45. Find the missing number, if a certain rule is followed row-wise or column-wise in the given matrix.

46. In which of the following options, Fig. (X) is exactly embedded as one of its part?

47. Which of the following Venn diagrams best depicts the relationship amongst "Teachers, Men, Players"?

48. Read the following information carefully.
(i) A # B means B is at 1 metre to the right of A.
(ii) A $ B means B is at 1 metre to the North of A.
(iii) A * B means B is at 1 metre to the left of A. If M is facing towards North, according to
M # N $ O * P, in which direction is P with respect to M?

49. Three different positions of a dice are shown here. Which symbol will be on the face opposite to the face with symbol * ?

50. How many such symbols are there in the given arrangement each of which is immediately preceded by a number and immediately followed by a letter?

Olympiad Science Mock online test Class 8 NSO Full Syllabus

The above link for NSO Science Olympiad Online Mock Test Class 8 Set C will help you to check your understanding of all important concepts which have been prepared based on latest Olympiad Class 8 syllabus. The free online mock tests for NSO Full Syllabus Olympiad Class 8 should be used by students to check their understanding. We bring here the biggest collection of NSO Full Syllabus Class 8 Science MCQ Test to help you prepare properly and get highest rank in exams. Students can attempt the mock tests for Class 8 Science as many number of times as they want and also download a passing certificate after they have cleared the online test. These mock online tests for Class 8 Science NSO Full Syllabus have been developed by our teachers after thorough review of the latest book and based on pattern of questions in upcoming exams.

Improve your preparation with NSO Science Olympiad Online Mock Test Class 8 Set C

The NSO Full Syllabus mock online tests for Olympiad Class 8 Science has been designed by our teachers to improve your understanding of this chapter. These online mock tests are structured so that it feels like real exam condition for students so that they can build their confidence and accuracy of answers. By daily practicing these MCQ based questions for Class 8 Science with answers students will be able to identify key topics to focus on and improve performance. The mock tests have been updated as per the latest NCERT book for Class 8 Science to help in your exam preparation.

Why choose to do NSO Science Olympiad Online Mock Test Class 8 Set C?

Daily practicing the NSO Full Syllabus mock tests for Class 8 Science has several benefits as they help to familiarize students with important concepts and effective time management skills. Each mock test for chapter NSO Full Syllabus given above includes a variety of questions that  have been selected from Question Papers for Class 8 Science and cover all important topics so that you have full preparation. After completing the NSO Science Olympiad Online Mock Test Class 8 Set C, Class 8 students can review the answers to identify mistakes and improve further. Access these free Class 8 online mock tests anytime and take a step closer to achieving excellence in your Science exams.

How to do Mock Test for Class 8 Science NSO Full Syllabus?

Follow these simple steps to attempt the test:
a. The NSO Science Olympiad Online Mock Test Class 8 Set C has 15-20 questions for Class 8 students as per Olympiad Class 8 Science Sample Papers pattern.
b. Each NSO Full Syllabus question has four options, students of Class 8 must read the question carefully and choose the correct answer.
c. Answer all questions given above for NSO Science Olympiad Online Mock Test Class 8 Set C.
d. Once you have answered all the NSO Full Syllabus Class 8 MCQ based questions, click on the Submit button.
e. Your score of Online test for NSO Science Olympiad Online Mock Test Class 8 Set C will be shown instantly above.
f. To check your mistakes in MCQ based test for NSO Full Syllabus in Science for Class 8, scroll up and see the correct answers.
g. You can attempt the NSO Science Olympiad Online Mock Test Class 8 Set C as many times to improve your score in Olympiad Class 8 Science exams.

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You can do the Olympiad 2025 Mock Online Test for Class 8 Science NSO Full Syllabus for latest session from StudiesToday.com

Is the Class 8 Science NSO Full Syllabus Mock Online Test based on latest books

Yes, the Mock Online Test for Class 8 Science NSO Full Syllabus have been made available here for latest 2025 academic session

How can I improve my scores by using the Mock Online Test in Class 8 Science for NSO Full Syllabus

Doing studies and then attempting the Mock Online Test given on studiestoday for Class 8 subject Science and chapter NSO Full Syllabus can help you to score better marks in exams

Are there any websites that offer free Mock Online Test for Class 8 Science for NSO Full Syllabus

Yes, studiestoday.com provides all latest Olympiad Class 8 Science NSO Full Syllabus Mock Online Test based on latest suggested books for current academic session

Can I check my marks and correct answers after completing mock test for NSO Full Syllabus Class 8 Science?

You can check score and correct answers after clicking completing the mock test and clicking submit button for Olympiad Class 8 Science NSO Full Syllabus