Preparation of Soil

Q. Select the correct word from the following list and fill in the blank.
float, water, crop, nutrients, preparation
The first step before growing crops is ___of the soil.

Q.

What are the important steps in the preparation of soil?

1. Turning and loosening

2. Turning and sowing

3. Loosening and weeding

4. Loosening and sowing

Q. Analyze the given table regarding the condition of the fields and other requirements and identify the irrigation systems best suited for the two farmers Sohan and Harish.​

Condition	Sohan​	Harish​
Field surface​	Irregular	Levelled​
Soil type	Sandy​	Clayey​
Crop	Fruit plants	Cereals​
Financial budget	High	Low

1. Sohan​ - Drip irrigation; Harish​ - Sprinkler system
2. Sohan​ - Drip irrigation​; Harish​ - Surface irrigation
3. Sohan​ - Surface irrigation; Harish​ - Drip irrigation
4. Sohan​ - Sprinkler system; Harish​ - Drip irrigation​

Q.

What are the advantages of preparing the soil?

1. It allows the roots to penetrate deep into the soil and breath easily.

2. The loosened soil promotes growth of earthworms and microbes.

3. It helps in soil erosion.

4. Both A & B

Q. When a small amount of garden soil is put into a glass jar containing water, stirred and allowed to stand for two hours, the layers from top to bottom would be:

1. Humus, water, clay and sand
2. Debris, clay, gravel and sand
3. Humus, sand, gravel, and clay
4. Debris, water, sand and clay

Q. Black soil is most suitable for agriculture, because ______.

1. it is black in colour
2. it has less iron oxide
3. it has more moisture and organic content
4. it is found on the river banks

Q. Nitrogen is an essential nutrient for plant growth but farmers who cultivate pulse crops like green gram, bengal gram, black gram, etc. do not add nitrogenous fertilisers to the crops. Why?

1. These plants make more nitrogen internally.
2. The bacteria present in the roots fix nitrogen.
3. These plants produce manure for themselves.
4. Nitrogen kills the bacteria present in root nodules.

Q. The first step in agriculture before sowing seeds is of soil.

1. harvesting
2. preparation
3. irrigation

Q. Which of the following is NOT an advantage of soil preparation?

1. It allows roots to breathe easily.
2. It restricts the roots from penetrating deep into the soil.
3. It mixes nutrients uniformly.
4. It aids in the growth of organisms like earthworm.

Q. Ramappa wants to grow a monocot and dicot one after another at regular sequence on a same piece of land. Which type of cropping should he adopt?

1. Rotational cropping
2. Single cropping
3. Random cropping
4. Multiple cropping