WORLD SOIL DAY QUIZ

1. What is soil horizon

• 1) A factor influencing how soil is defined

• 2) A layer of soil

• 3) An organism found in the soil

• 4) A technique used to map soil

2. Approximately how many micro-organisms can be found in a teaspoonful of soil

• 1) 4 billion

• 2) 50 billion

• 3) 500,00billion

• 4) 1 billion

3. Soil science has how many branches of study

• 4

• 1

• 2

• 3

4. which soils are also called as regur soils

• 1) marine deposits

• 2) desert soils

• 3) black soil

• 4) alluvial soil

5. Making steps on the side of a mountain to slowdown water erosion is called as

• 1) Terracing

• 2) Till farming

• 3) Wind breakers

• 4) Crop rotation

6. The mixing of soil by the activity of animals is known as

• 1) Anthropogenic

• 2) Regoliths

• 3) Mycorrhizal

• 4) Pedoturbation

7. Soil conservation includes all of the following except this

• 1) Desertification

• 2) Contour ploughing

• 3)Terracing

• 4) Crop rotation

8. Which of the following agency published the Red data book

• 1) IUCN

• 2) NEERI

• 3) NWAP

• 4) CITES

9. On which date International day for Biodiversity is observed

• 1) May, 15

• 2) May, 20

• 3) May, 22

• 4) June, 5

10.Why soil is so important

• 1) Because it provides food and habitat for organisms

• 2) Because its good for planting

• 3) because it covers earth

• 4) All the above