Maths and Science Test by Abhinav Sir

Science and Maths Test

Welcome to the Science and Maths Test! This test covers Earth Science (rocks, minerals, Earth's layers) and Mathematics (fractions, decimals, arithmetic operations). You have 1 hour to complete the test. Select the correct option for each question. After submission, correct answers will be highlighted in green, incorrect answers in red, and detailed explanations with mathematical solutions will be provided. Good luck!

Time Remaining: 60:00

Section A: Multiple Choice Questions

1. Which of the following is used for making floors?

(a) Coal (b) Slate (c) Sandstone (d) Marble

2. Which rock is used for making foot scrubbers, soaps, and concrete blocks?

(a) Granite (b) Pumice (c) Slate (d) Obsidian

3. Which of these is an example of a metallic mineral?

(a) Coal (b) Petroleum (c) Water (d) Cuprite

Section B: True or False

4. Bauxite is an ore that contains the metal aluminium.

True False

5. The crust is the hottest layer of the Earth.

True False

6. Granite is an example of a metamorphic rock.

True False

7. The mantle is the thinnest layer of the Earth.

True False

Section C: Fill in the Blanks

8. Some metallic minerals from which we can get metals in valuable amounts are called ______.

(a) Ores (b) Fossils (c) Sediments (d) Crystals

9. Minerals such as sulphates and nitrates are used as ______.

(a) Fuels (b) Fertilizers (c) Gemstones (d) Pigments

10. Conglomerate is an example of a ______ rock.

(a) Igneous (b) Metamorphic (c) Sedimentary (d) Volcanic

Section D: Name the Following

11. Molten rocks mixed with dirt, gases, and other rocks.

(a) Lava (b) Magma (c) Ash (d) Tephra

12. The type of rock that is formed when sedimentary rocks are put under a lot of pressure.

(a) Igneous (b) Metamorphic (c) Sedimentary (d) Volcanic

13. The layer of the Earth on which plants and animals live.

(a) Mantle (b) Core (c) Crust (d) Lithosphere

14. One mineral that is used to construct roads.

(a) Quartz (b) Limestone (c) Gypsum (d) Talc

15. The rock used in making the Red Fort.

(a) Marble (b) Sandstone (c) Granite (d) Slate

Section E: Short Answer Questions

16. Which is a primary use of limestone?

(a) Making cement (b) Making jewelry (c) Fuel production (d) Electrical wiring

17. Which is an example of a metamorphic rock?

(a) Basalt (b) Marble (c) Sandstone (d) Shale

18. Why is coal important to humans?

(a) Used for jewelry (b) Used as a fuel source (c) Used for building houses (d) Used for water purification

Section F: Long Answer Questions

19. How are igneous rocks formed?

(a) By cooling of magma or lava (b) By compression of sediments (c) By heat and pressure on existing rocks (d) By chemical reactions in water

20. What is the first stage in the formation of petroleum?

(a) Burial of organic matter (b) Volcanic eruption (c) Cooling of lava (d) Erosion of rocks

21. Why is it important to use resources responsibly?

(a) To prevent depletion (b) To increase costs (c) To reduce resource quality (d) To limit technology

Section G: Diagram-Based Questions

22. Which is the outermost layer of the Earth?

(a) Mantle (b) Crust (c) Outer Core (d) Inner Core

23. Assume the image shows a shiny, red mineral. Which mineral is it likely to be?

(a) Quartz (b) Cuprite (c) Gypsum (d) Talc

Section H: Higher Order Thinking Skills (HOTS) Questions

24. Which rock would you expect to find on a new volcanic island?

(a) Sandstone (b) Basalt (c) Limestone (d) Slate

25. Which type of rock is typically the hardest?

(a) Sedimentary (b) Igneous (c) Metamorphic (d) Volcanic

26. Which rock is most suitable for constructing walls?

(a) Pumice (b) Sandstone (c) Slate (d) Obsidian

27. Which rock is most suitable for flooring?

(a) Pumice (b) Sandstone (c) Marble (d) Obsidian

28. Which rock is most suitable for kitchen countertops?

(a) Granite (b) Sandstone (c) Slate (d) Pumice

29. Which rock is most suitable for creating a decorative statue?

(a) Pumice (b) Sandstone (c) Marble (d) Obsidian

30. Which is the correct order of Earth's layers from outermost to innermost?

(a) Crust, Mantle, Outer Core, Inner Core (b) Mantle, Crust, Outer Core, Inner Core (c) Crust, Outer Core, Mantle, Inner Core (d) Inner Core, Outer Core, Mantle, Crust

Maths Section

31. Convert \(\frac{3}{8}\) to a decimal.

(a) 0.375 (b) 0.385 (c) 0.395 (d) 0.365

32. Convert \(\frac{199}{200}\) to a decimal.

(a) 0.995 (b) 0.985 (c) 0.975 (d) 0.965

33. Convert \(\frac{2}{3333}\) to a decimal (rounded to 6 decimal places).

(a) 0.000600 (b) 0.000610 (c) 0.000620 (d) 0.000630

34. Solve \(5\left[\left\{\left(4 \div 4\right) \times \frac{2}{3} - \frac{6}{6} + 5 - 9\right\}\right]\).

(a) 65/3 (b) -10 (c) 0 (d) 5

35. The average age of a family of four people is 60. If the average age of three people is 45, find the age of the fourth person.

(a) 100 (b) 105 (c) 110 (d) 115

36. Solve \(2 \div 2 \div 2 \div 2 \div 2\).

(a) 0.0625 (b) 0.125 (c) 0.25 (d) 0.5

37. Solve \(\left(\frac{1}{2} + 3\frac{3}{4} - 2\frac{2}{3} + \frac{1}{2} - \frac{1}{6} - \frac{2}{3} + 4\right)\).

(a) 21/4 (b)22/4 (c) 23/4 (d) 24/4

38. Solve \(4 \times \frac{2}{3} - \frac{6}{6} \times 6 + \frac{2}{3} - 2\).

(a) 14/3 (b) 13/3 (c) 12/3 (d) 11/3

39. Solve \(\left(\frac{1}{2} \times \frac{2}{3} + \frac{3}{2} - 1}{2} \times \frac{1}{4} - 5\right)\).

(a) 79/24 (b) 8024 (c) 81/24 (d) 82/24

40. Multiply \(25 \times 0.0003756\).

(a) 0.00939 (b) 0.0939 (c) 0.939 (d) 9.39

41. Divide \(6 \div 0.7654\).

(a) 7.839 (b) 8.839 (c) 9.839 (d) 10.839

42. Multiply \(85 \times 6.000074\).

(a) 510.00629 (b) 520.00629 (c) 530.00629 (d) 540.00629

43. Add \(\frac{2}{3} + \frac{3}{4} + \frac{1}{6} + \frac{1}{2} + \frac{2}{5} + \frac{6}{7} + \frac{8}{9} + \frac{4}{6} + \frac{3}{2} + \frac{9}{5} + \frac{7}{8}\).

(a) 25959/2520 (b) 25960/2520 (c) 2596/2520 (d) 25962)2520