Dryland Agriculture

Question No. 1 Marks +1 -0 Time

0:00

Which classification of dryland agriculture, based on annual rainfall, is characterized by less than 750 mm rainfall and frequent crop failures due to prolonged dry spells?

A. Wetland Farming
B. Dryland Farming
C. Dry Farming
D. Rainfed Farming

Question No. 2 Marks +1 -0 Time

0:00

According to the UNESCAP differentiation, what is a distinguishing feature of 'Dryland Farming' compared to 'Rainfed Farming'?

A. It is practiced in humid and sub-humid regions.
B. It has a growing season of more than 200 days.
C. It has a growing season of 200 days or less.
D. It primarily faces water erosion as a constraint.

Question No. 3 Marks +1 -0 Time

0:00

Which of the following is NOT identified as a problem of dryland agriculture?

A. Low moisture retention capacity of soil.
B. Late onset and early cessation of rains.
C. Excessive irrigation leading to waterlogging.
D. Poor soil fertility conditions.

Question No. 4 Marks +1 -0 Time

0:00

As defined by the Indian Meteorological Department (IMD), Pune, what percentage deficiency in annual rainfall, compared to the normal, classifies a situation as a 'severe drought'?

A. More than 40%
B. More than 25%
C. More than 50%
D. More than 75%

Question No. 5 Marks +1 -0 Time

0:00

What is the definition of an 'agricultural drought'?

A. A moisture deficit where available soil water is insufficient to meet crop evapotranspiration demands.
B. A condition caused by pest infestation reducing crop yield.
C. A situation where annual rainfall is less than 75% of the normal.
D. A period of high temperature affecting crop growth.

Question No. 6 Marks +1 -0 Time

0:00

The International Crop Research Institute for the Semi-Arid Tropics (ICRISAT) was established near which Indian city and in what year?

A. Pune in 1983
B. Aleppo in 1977
C. Bengaluru in 1965
D. Hyderabad in 1972

Question No. 7 Marks +1 -0 Time

0:00

Which crop adaptation mechanism falls under 'avoiding stress' by conserving water in dry growing conditions?

A. Developing an efficient root system.
B. Early closure of stomata.
C. Increasing plant osmotic potential.
D. Having an early maturing variety.

Question No. 8 Marks +1 -0 Time

0:00

A crop adapting to dry conditions by 'tolerating stress' through improving water uptake might primarily exhibit which characteristic?

A. Reduced leaf area.
B. An efficient root system.
C. Thick cuticle on leaves.
D. Lipid deposits on leaves.

Question No. 9 Marks +1 -0 Time

0:00

In the context of land and water management, how is a 'watershed' best defined?

A. A region primarily used for large-scale irrigation projects.
B. An area of land where all runoff drains to a single common outlet.
C. A large river basin encompassing multiple tributaries.
D. A zone characterized by consistently high annual rainfall.

Question No. 10 Marks +1 -0 Time

0:00

In which of India's Five-Year Plans was the Watershed Management Programme launched by the Government?

A. Eighth Five-Year Plan
B. Seventh Five-Year Plan
C. Sixth Five-Year Plan
D. Fifth Five-Year Plan

Question No. 11 Marks +1 -0 Time

0:00

Which of the following is NOT listed as a feature of the Watershed Management Programme?

A. Forestry and pasture development.
B. Extensive use of chemical pesticides.
C. Scientific dry farming practices.
D. Animal husbandry and dairy development.

Question No. 12 Marks +1 -0 Time

0:00

What proportion of India's cultivated land is dryland and rainfed, and what is its approximate contribution to the nation's food grain production?

A. 50% cultivated land, contributing 60% of food grain.
B. 33% cultivated land, contributing 75% of food grain.
C. 44% cultivated land, contributing 67% of food grain.
D. 67% cultivated land, contributing 44% of food grain.

Question No. 13 Marks +1 -0 Time

0:00

The Moisture Availability Index (MAI) is calculated as the ratio between which two components?

A. Rainfall at 50% probability level and Potential Evapotranspiration.
B. Water Deficit and Potential Evapotranspiration.
C. Precipitation and Actual Evaporation.
D. Actual Evaporation and Potential Evapotranspiration.

Question No. 14 Marks +1 -0 Time

0:00

In the formula for Aridity Index (AI), what does 'WD' specifically represent?

A. Water Drainage
B. Water Distribution
C. Water Deficit
D. Water Demand

Question No. 15 Marks +1 -0 Time

0:00

Based on the classification by Reddy and Reddi, what is the primary difference in annual rainfall between 'Dry Farming' and 'Dryland Farming'?

A. Dry Farming has rainfall more than 1150 mm, while Dryland Farming has rainfall less than 750 mm.
B. Dry Farming has rainfall less than 750 mm, while Dryland Farming has rainfall between 750 mm and 1150 mm.
C. Dry Farming has rainfall between 750 mm and 1150 mm, while Dryland Farming has rainfall more than 1150 mm.
D. Dry Farming has rainfall less than 500 mm, while Dryland Farming has rainfall between 500 mm and 750 mm.

Question No. 16 Marks +1 -0 Time

0:00

Which statement accurately describes 'Rainfed Farming' according to Reddy and Reddi's classification?

A. It is primarily concerned with moisture conservation practices in semi-arid zones.
B. It involves cultivation in areas with annual rainfall less than 750 mm.
C. It occurs in regions with annual rainfall exceeding 1150 mm, where drainage can be a significant issue.
D. It is practiced in arid regions with frequent crop failures.

Question No. 17 Marks +1 -0 Time

0:00

Which group of crops is predominantly grown in dryland and rainfed areas, as highlighted in the text?

A. Sugarcane and Tea
B. Wheat and Rice
C. Spices and Vegetables
D. Pulses and Oilseeds

Question No. 18 Marks +1 -0 Time

0:00

Regarding socio-economic constraints in dryland agriculture, what percentage of land holdings is less than one hectare?

A. Approximately 40%
B. Approximately 54%
C. Approximately 33%
D. Approximately 67%

Question No. 19 Marks +1 -0 Time

0:00

Which of the following is an important step in integrated watershed management aimed at maximizing crop production and ensuring rural income stability?

A. Relying solely on external water sources.
B. Water harvesting techniques.
C. Extensive use of chemical fertilizers without soil testing.
D. Promoting large-scale industrial farming.

Question No. 20 Marks +1 -0 Time

0:00

Which plant is cited as an example of water storage in its leaves to cope with drought conditions?

A. Sorghum
B. Maize
C. Pineapple
D. Soybean

Question No. 21 Marks +1 -0 Time

0:00

What is the definition of water harvesting?

A. The process of collecting and storing water on the soil surface for later use.
B. The collection of runoff water in a river.
C. The use of rainwater to increase crop yield.
D. The process of creating artificial rain.

Question No. 22 Marks +1 -0 Time

0:00

Who was the first person to use the term 'water harvesting'?

A. Nabateans
B. Myors
C. Jalshakti
D. Celite

Question No. 23 Marks +1 -0 Time

0:00

In which type of area is water harvesting normally more effective?

A. Areas with heavy, clayey soil
B. Areas with high annual rainfall
C. Areas with dense forest cover
D. Areas near a hillside or with a large portion of bare soil

Question No. 24 Marks +1 -0 Time

0:00

Which water harvesting technique is practiced in arid areas with light soil and annual rainfall not exceeding 400-450 mm?

A. Water harvesting in farm ponds & reservoirs
B. Inter-plot or Microplot Water Harvesting
C. Inter-row water harvesting
D. Broad Bed & Furrow system

Question No. 25 Marks +1 -0 Time

0:00

What is the primary purpose of storing surface runoff in farm ponds and reservoirs?

A. To use as supplemental or life-saving irrigation.
B. To increase the fertility of the soil.
C. To raise the water table in the surrounding area.
D. To provide a habitat for fish and other aquatic life.

Question No. 26 Marks +1 -0 Time

0:00

What is the function of the chemical 'Jalshakti'?

A. It acts as a windbreak.
B. It improves aeration, infiltration, and water-holding capacity of the soil.
C. It is a film-forming antitranspirant.
D. It reduces the march of deserts.

Question No. 27 Marks +1 -0 Time

0:00

What percentage of rainfall is lost through evaporation?

A. 20-30%
B. 60-75%
C. 40-50%
D. 10-15%

Question No. 28 Marks +1 -0 Time

0:00

Which of the following is an example of a stomata-closing type of antitranspirant?

A. Mobileaf
B. Kaolin
C. Cycocel (ccc)
D. Phenyl mercuric acetate (PMA)

Question No. 29 Marks +1 -0 Time

0:00

How do film-forming antitranspirants reduce moisture loss from plants?

A. By reflecting solar radiation.
B. By inducing stomatal closure.
C. By forming a thin film as a physical barrier.
D. By reducing shoot growth and increasing root growth.

Question No. 30 Marks +1 -0 Time

0:00

What is the main drawback of using antitranspirants for crop protection?

A. They are expensive to produce.
B. They can cause genetic mutations in plants.
C. They generally reduce photosynthesis.
D. They are difficult to apply to large fields.

Question No. 31 Marks +1 -0 Time

0:00

What is the purpose of planting rows of trees and shrubs as shelterbelts?

A. To attract birds and honeybees.
B. To produce fuel wood and cattle feed.
C. To reduce wind speed and protect crops.
D. All of the above.

Question No. 32 Marks +1 -0 Time

0:00

A 10-11 meter tall windbreak can reduce wind speed by how much on the leeward side?

A. Up to 30 times its height.
B. By 60-80%.
C. From 45-50 km/hr to 10 km/hr just behind it.
D. It has no effect on wind speed.

📋 Submit Test?