R.K. Sharma Test 16 — Agri Master Mind
Statement 1: Conservation tillage is less applicable to high-input level crop production. Statement 2: The topsoil is not inverted in conservation tillage.
- Both are incorrect statements
- Both are correct statements
- Statement 1 is correct and statement 2 is incorrect
- Statement 1 is incorrect & statement 2 is correct
Statement 1: Class II land is denoted by the color yellow. Statement 2: Class II land has very few or no limitations that restrict its use.
- Both are incorrect statements
- Both are correct statements
- Statement 1 is correct and statement 2 is incorrect
- Statement 1 is incorrect & statement 2 is correct
Which of the following is an advantage of contour farming?
- Reduces runoff
- Prevents soil erosion
- Conserves soil fertility
- All of the above
Statement 1: 20-25 % of soil erosion is carried out by surface creep. Statement 2: 3-4 % of soil erosion is by suspension.
- Both are incorrect statements
- Both are correct statements
- Statement 1 is correct and statement 2 is incorrect
- Statement 1 is incorrect & statement 2 is correct
Statement 1: Badlands, rock outcrops, sandy beaches, marshes & deserts are included in class VIII land. Statement 2: Class VIII land has a high steepness > 35 %.
- Both are incorrect statements
- Both are correct statements
- Statement 1 is correct and statement 2 is incorrect
- Statement 1 is incorrect & statement 2 is correct
Which of the following does NOT come under conservation tillage?
- Trash farming
- No-till
- Plough-plant tillage
- None
Statement 1: Sheet erosion is also known as the "death of farmers." Statement 2: Channelization begins from sheet erosion.
- Both are incorrect statements
- Both are correct statements
- Statement 1 is correct and statement 2 is incorrect
- Statement 1 is incorrect & statement 2 is correct
Which of the following is NOT a feature of mulching?
- Improves soil texture
- Increases infiltration
- Improves soil structure
- All of the above are features of mulching
Statement 1: Agronomic interventions are adopted where the land slope is < 2 %. Statement 2: Contour farming & conservation farming come under agronomic measures.
- Both are correct statements
- Both are incorrect statements
- Statement 1 is correct and statement 2 is incorrect
- Statement 1 is incorrect & statement 2 is incorrect
Statement 1: Contour strip cropping widens the length of the slope and checks the movement of runoff water. Statement 2: Moth bean & horse gram are the most efficient crops to check soil erosion.
- Both are incorrect statements
- Both are correct statements
- Statement 1 is correct and statement 2 is incorrect
- Statement 1 is incorrect & statement 2 is correct
Class V land is denoted by the color --------.
- Brown
- Blue
- Orange
- Dark green
The removal of soil particles due to raindrops is called __________ erosion.
- Splash
- Wind
- Wave
- None
Ravines are a prolonged & advanced stage of gully erosion and are found in _________.
- Deep alluvial soil
- Deep sandy soil
- Both A & B
- None
In surface creep, soil particles are larger than about 0.5 mm in diameter but smaller than ______ mm.
- 3
- 2
- 4
- 1
Statement 1: Deep tillage is beneficial for all crops. Statement 2: Subsoiling can be beneficial, either to increase the porosity of the soil or to break a pan, which increases permeability.
- Both are incorrect statements
- Both are correct statements
- Statement 1 is incorrect & statement 2 is correct
- Statement 1 is correct and statement 2 is incorrect
In suspension, very fine particles _______ are carried into the air.
- < 0.2 mm
- < 0.1 mm
- < 0.01 mm
- < 0.02 mm
Particles too heavy to be moved in saltation are rolled and slide along the surface by wind, hitting the surface during ___________________.
- Suspension
- Saltation
- Surface creep
- Sanitization
Statement 1: Mixed cropping is growing 2 or more crops simultaneously in the same field with a definite row pattern. Statement 2: Mechanical measures are adopted when the land slope is > 2 %.
- Both are incorrect statements
- Both are correct statements
- Statement 1 is correct and statement 2 is incorrect
- Statement 1 is incorrect & statement 2 is correct
Statement 1: Soils in class VI have continuing limitations that can be corrected. Statement 2: The land slope of class VI varies from 15-25 %.
- Both are incorrect statements
- Both are correct statements
- Statement 1 is correct and statement 2 is incorrect
- Statement 1 is incorrect & statement 2 is correct
Which type of strip cropping is used on land that is steep, highly eroded, or unfit for regular rotation?
- Buffer strip cropping
- Wind strip cropping
- Contour strip cropping
- Field strip cropping
How many soil movement processes are there in wind erosion?
- 5
- 4
- 3
- 2
Which of the following is NOT a preferred cover crop generally?
- Millets
- Wheat
- Rice
- All of the above
Landslide or slip erosion takes place if the slope is __________.
- > 20%
- > 15 %
- > 10%
- All of the above
Strip cropping is mainly divided into _____ types.
- 4
- 5
- 3
- 2
Statement 1: Strip cropping is a system of growing parallel strips of erosion-permitting crops & erosion-resisting crops in the same field. Statement 2: Erosion-resisting crops are moth bean & groundnut.
- Both are incorrect statements
- Both are correct statements
- Statement 1 is correct and statement 2 is incorrect
- Statement 1 is incorrect & statement 2 is correct
About __________ of soil erosion by wind is carried out by saltation.
- 50-75%
- 20-25%
- 30-40%
- 50-55%
Which of the following options is the last stage of water erosion?
- Stream-bank
- Landslides
- Gully erosion
- Rill erosion
Which land capability class has moderate limitations that reduce the choice of plants or require special conservation practices?
- Class 3
- Class 4
- Class 2
- Class 5
Statement 1: Soil carried in saltation consists of fine particles ranging from 0.1 to 0.5 mm in diameter. Statement 2: Soil carried by the wind, moved in a series of short bounces, is called suspension.
- Both are incorrect statements
- Both are correct statements
- Statement 1 is correct and 2 is incorrect
- Statement 1 is incorrect & statement 2 is correct
Statement 1: Grassed waterways are constructed across the slope of the land. Statement 2: Grass waterways may be natural or constructed.
- Both are incorrect statements
- Both are correct statements
- Statement 1 is correct and 2 is incorrect
- Statement 2 is correct & statement 1 is incorrect