Weathering, Erosion and Soil Formation

Weathering Quiz

Time Remaining: 15:00

Q1. Due to weather in feldspar which of the following residual products from?

a. Limonite b. Haematite c. Clay minerals d. Quartz grains

Q2. Laterites are formed as the result of

a. Weathering b. Chemical precipitation c. Biogenic activity d. Sedimentation.

Q3. Which of the following climate regions will have the deepest weathering profile?

a. Tundra regions b. Steppes c. Deserts d. Tropical rainforest.

Q4. The deposition of suspended and dissolved material in soil profile is referred as.

a. Eluviation b. Illuviation c. Ilumus d. Leaching.

Q5. Why clay doesn't weather?

a. The grains are too large b. It is chemically stable at the surface c. It doesn't occur in areas prone to weathering d. It has too many ions.

Q6. Which of the following minerals is the most susceptible to weathering in humid climate?

a. Quartz b. K-feldspar c. Biotite d. Olivine.

Q7. Which one is the correct order of stability of the minerals (arranged from the most stable to the least stable) during chemical weathering? (JAM 2022)

a. Muscovite > Amphibole > Quartz > Olivine b. Quartz > Amphibole > Olivine > Muscovite c. Quartz > Muscovite > Amphibole > Olivine d. Muscovite > Olivine > Quartz > Amphibole

Q8. The correct order of increasing stability of minerals during chemical weathering is

a. Olivine, Pyroxene, Biotite, Quartz b. Olivine, Biotite, Pyroxene, Quartz c. Quartz, Biotite, Pyroxene, Olivine d. Pyroxene, Olivine, Biotite, Quartz

Q9. Physical weathering is not characteristic of

a. Polar regions b. Hot desert c. Cold desert d. Semi arid regions

Q10. Which of the following is an erosional landform made by glaciers

a. Moraine b. Eskers c. Cirque d. Kame

Q11. Hydraulic action, solution and abrasion are all examples of

a. Stream erosion b. Stream deposition c. Transportation d. Stream discharge

Q12. Mechanical erosion cannot takes place in the following manner

a. Abrasion b. Attrition c. Cavitation d. Dissolving action

Q13. Which of the following is rock is least effected by chemical weathering processes

a. Shale b. Granite c. Basalt d. Lime stone

Q14. In which of the following are the minerals listed in order of increasing resistance to chemical weathering

a. Hornblende- Quartz- Muscovite -Biotite b. K-feldspar -Augite -Biotite -Olivine -Quartz c. Muscovite –Hornblende- Augite -Quartz d. Anorthite -Albite -Orthoclase -Quartz

Q15. Most active chemical weathering takes place

a. At the water table b. Below the water table c. On the surface d. Zone of aeration above the water table.

Q16. Laterites are

a. Weathering products rich in pb and mn hydroxides b. Weathering products rich in fe and al hydroxides c. Cooling product of magma rich in fe and al sulphides d. Result from high pressure metamorphic of granite

Q17. Rapid chemical weathering

a. Does not affect the rate of physical weathering in the same rock b. Tends to reduce the rate of physical weathering in the same rock c. Tends to increase the rate of physical weathering in the same rock d. Does not happen in rocks those suffer physical weathering

Q18. During weathering of silicate minerals incorporation of actions from mineral into organic compounds is related to

a. Carbonation b. Hydrolysis c. Chelation d. Hydration

Q19. Which type of weathering works most effectively on limestone?

a. Dissolution b. Frost wedging c. Hydrolysis d. Oxidation