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Class 6 Science: Soil Erosion Questions and Answers
Large furrows in the soil indicate
A. rill erosion
B. gulley erosion
C. splash erosion
D. sheet erosion
(1m 33s)
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1.
Some pupils in primary school planted cypress seeds in a nursery during the morning hours. There was heavy rainfall in the evening of the same day which exposed the seeds. To prevent the seeds from being exposed the pupils should have A. Applied mulch after planting B. Planted the seeds deeply C. Fenced around the nursery D. Avoided planting in the morning.
2.
Standard VIII pupils noticed that rills had formed on their school garden which had been prepared for planting. Which one of the following methods of controlling soil erosion should have been used before preparing the garden? A. Contour ploughing. B. Application of mulch. C. Construction of terraces. D. Planting of windbreaks.
3.
Pupils at Mulima Primary School wanted to find out whether planting grass on a slope would reduce soil erosion. They planted grass on one tray and left the other without. They then set up their experiment as shown in the diagrams below. What error did the pupils make in setting up this experiment? A. Making the slope of the trays different. B. Dripping water from the same height. C. Using only one
4.
Which one of the following types of soil erosion is most likely to take place without being noticed? A. Rill. B. Gully. C. Sheet. D. Splash.
5.
Which one of the soil conservation structures below should be constructed across a deep wide gully to control erosion? A. Check dam. B. Terrace. C. Gabion. D. Waterway.
6.
Which one of the following farming activities would lead to soil erosion? A. Ploughing across the slope. B. Ploughing along the slope. C. Growing pasture crops. D. Controlling weeds
7.
The following are effects of soil erosion: (i) Small holes in the ground. (ii) Top layer of soil missing. (iii) Small and shallow channels in the ground. (iv) V-shaped trenches in the ground. Which effects are as a result of splash and rill types of erosion? A.(i) and (iv) B.(i) and (iii) C.(ii) and (iii) D.(ii) and (iv).
8.
A farmer noticed small and shallow channels forming in the soil in the garden due to running water. This type of soil erosion is called A. Splash B. Rill C. Sheet D.Gulley.
9.
Which one of the following activities can be used to demonstrate rill erosion? Pouring water A. At different positions of a slanting soil surface B. In channels of soil on a slanting surface C. On a flat surface of soil D. On a flat surface using a tin with many holes.
10.
A hilly area with deep channels is LIKELY to be experiencing A.sheet erosion B.gulley erosion. C.rill erosion D.splash erosion.
11.
Which one of the following soil conservation measures is least suitable on a large piece of land? A.Terracing. B.Mulching. C.Tree planting D.Contour farming.
12.
Which one of the following statements is true about splash erosion? A. Forms shallow trenches. B. Caused by wind and water. C. Removes a thin layer of soil. D. Occurs below roofs of buildings
13.
Large furrows in the soil indicate A. rill erosion B. gulley erosion C. splash erosion D. sheet erosion
14.
The diagram below demonstrates an experiment done by pupils to show a certain type of soil erosion. The type of soil erosion demonstrated by the pupils was A. splash erosion B. gulley erosion C. rill erosion D. sheet erosion
15.
Which one of the following will increase the rate at which soil is carried away by running water? A. Planting sweet potatoes. B. Terracing the farm. C. Cultivating along the slope. D. Strip cropping.
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