Tag: modern agriculture

Questions Related to modern agriculture

Slash and burn agriculture is known as

  1. Organic farming

  2. Step forming

  3. Crop rotation

  4. Jhum cultivation


Correct Option: D
Explanation:
Shifting cultivation, also known as the slash and burn agriculture (Jhum cultivation), is the process of growing crops by first clearing the land of trees and vegetation and burning them thereafter. The burnt soil contains potash which increases the nutrient content of the soil. This burnt land is left for 5-8 years, so as to give the soil the time to regain its fertility .
So, the correct option is 'Jhum cultivation'

Slash and burn agriculture is the other name of

  1. Step farming

  2. Crop rotation

  3. Organic farming

  4. Jhoom cultivation


Correct Option: D
Explanation:

A. Step farming is a piece of sloped plane that as been cut into a series of successively receding flat surfaces or platforms, which resemble steps, for the purposes of more effective farming.It is also called as terrace farming.
B. Crop rotation is the practice of growing a series of dissimilar or different types of crops in the same area in sequenced seasons.
C. Organic farming is a method of crop and livestock production that involves much more than choosing not to use pesticides, fertilizers, genetically modified organisms and growth hormone.
D. Jhoom cultivation, also known as the slash and burn agriculture, is the process of growing crops by first clearing the land of trees and vegetation and burning them thereafter. The burnt soil contains potash which increases the nutrient content of the soil.
So, the correct answer is 'Jhoom cultivation'.

Prolonged water logging in an agricultural fields is likely to create the problems of 

  1. poor aeration and low salinity

  2. poor aeration and High salinity

  3. poor aeration and High acidity

  4. Metal toxicity and proper aeration


Correct Option: A

Which of the following is not a safe harvesting process followed by farmers?

  1. Winnowing

  2. Threshing

  3. By using a mechanized harvester

  4. Harvesting on roads


Correct Option: D
Explanation:
A.Winnowing is a farming method used for separating grain from chaff.
B.Threshing is the process of loosening the edible part of grain from the husks and straw to which it is attached. 
C.The modern combine harvester, or simply combine, is a versatile machine designed to efficiently harvest a variety of grain crops. 
D.Amongst all these harvesting on the road is dangerous , since it can cause many accidents . '
So the correct option is ' Harvesting on roads ' .

The process that is used to separate grain from stalks etc.is called as 

  1. Separation

  2. Threshing

  3. Hand picking

  4. Winnowing


Correct Option: B
Explanation:

The process that is used to separate grain from stalks etc. is threshing. In this process, the stalks are beaten to free the grain seeds.

So, the correct answer is 'threshing'

In clayey soils, the large quantities of organic matter help _____

  1. In drainage

  2. In avoiding water logging

  3. Above both options are correct

  4. None of these


Correct Option: C

Fresh initiatives for increasing the water available for agriculture include _______

  1. Rainwater harvesting

  2. Watershed management

  3. Above both options

  4. None of these


Correct Option: C

Different crops require _______

  1. Different climatic conditions

  2. Temperature

  3. Photoperiods for their growth and completion of their life cycle

  4. All of the above


Correct Option: D

Which of the following particle is suitable to a farmer at fewer water resources?


i) Selected short term crops           ii) Cultivated commercial crops
iii) Adapt drip system                    iv) Crop holiday

  1. i, iii

  2. i, ii, iii

  3. i, iv

  4. iii, iv


Correct Option: A
Explanation:

A farmer with less water resources should grow selected short term crops(e.g, paddy, green leafy vegetables) which have a life span of one or less than one year as this process provides cash flow and takes care of day to day operations cost of the farm. Another effective method called drip irrigation is also helps to save water and nutrients as the water drips slowly and directly to the roots of the plant and the evaporation is minimized. So, the correct option is "(i),(iii)".

Growing agricultural crops between rows of planted trees is known as

  1. Social forestry

  2. Jhum

  3. Taungya system

  4. Agroforestry


Correct Option: C