Tag: evs

Questions Related to evs

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

evs modern agriculture agricultural practices in india different types of farming and agriculture various agricultural practices

  1. In drainage

  2. In avoiding water logging

  3. Above both options are correct

  4. None of these

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Correct Option: C

Fresh initiatives for increasing the water available for agriculture include _______

evs modern agriculture agricultural practices in india different types of farming and agriculture various agricultural practices

  1. Rainwater harvesting

  2. Watershed management

  3. Above both options

  4. None of these

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Correct Option: C

Different crops require _______

evs modern agriculture agricultural practices in india different types of farming and agriculture various agricultural practices

  1. Different climatic conditions

  2. Temperature

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

  4. All of the above

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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

evs modern agriculture agricultural practices in india different types of farming and agriculture various agricultural practices

  1. i, iii

  2. i, ii, iii

  3. i, iv

  4. iii, iv

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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

evs modern agriculture agricultural practices in india different types of farming and agriculture various agricultural practices

  1. Social forestry

  2. Jhum

  3. Taungya system

  4. Agroforestry

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Correct Option: C

Which of the following ill effect is sorted out by the rooftop gardening?

evs modern agriculture agricultural practices in india different types of farming and agriculture various agricultural practices

  1. Insolation

  2. Photorespiration

  3. Ozone depletion

  4. None of the above

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Correct Option: A
Explanation:

The primary cause of heat buildup in cities is insolation i.e. absorption of solar radiation by roads and buildings. Storage of this heat by building material results in subsequent re-radiation. Due to transpiration of plant surface, its temperature does not rise 4-5 degree above the ambient and sometimes is cooler. This then translates into the cooling of the environment. Hence rooftop gardening reduces the overall heat absorption of the building which then reduces energy consumption. Thus the correct answer is option A.

Which of the following is the site specific crop management?

evs modern agriculture agricultural practices in india different types of farming and agriculture various agricultural practices

  1. Polyhouse farming

  2. Precision farming

  3. Organic farming

  4. None of the above

Show answer
Correct Option: B
Explanation:

Precision farming is a concept of crop management based on observing, testing, measuring and responding to field variability in crops. In this farming, they use research in weathers, test the soil temperature, humidity, growth and moisture.

So, the correct option is 'Precision farming'.

Different ways of growing crops can be used to give ____ benefit

evs modern agriculture agricultural practices in india different types of farming and agriculture various agricultural practices

  1. Maximum

  2. Minimum

  3. No effect

  4. Similar

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Correct Option: A

In which method plants grow under the complete controlled condition?

evs modern agriculture agricultural practices in india different types of farming and agriculture various agricultural practices

  1. Organic farming

  2. Precision farming

  3. Polyhouse farming

  4. None of the above

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Correct Option: C
Explanation:

A polyhouse also called polytunnel is a tunnel made of polyethelene semi-circular, square or elongated in shape. Solar radiations are used to heat up the interior. This warms the plants, soil, and other things inside the building faster than heat can escape the structure. This warmed air in interior surfaces is retained in the building by the roof and wall.Temperature, humidity and ventilation is controlled by equipment fixed in the polytunnel or by manual opening and closing of flaps. Thus plants grow under the complete controlled condition in polyhouse farming. 

Identify the technique used in polyhouse farming.

evs modern agriculture agricultural practices in india different types of farming and agriculture various agricultural practices

  1. Drip irrigation

  2. Greenhouse

  3. Soil covered with sheet

  4. Both A and B

Show answer
Correct Option: D
Explanation:

Drip irrigation is the best for watering plants in a polyhouse. In drip irrigation system, water under high pressure is forced through nozzles arranged on a supporting stand at about 1 feet height. This enables watering at the base level of the plants.This watering system ensures that water does not fall on the leaves or flowers as it leads to disease and scorching problems.

A greenhouse is a structure with walls and roof made glass in which plants requiring regulated climatic conditions are grown. The interior of a greenhouse exposed to sunlight becomes significantly warmer than the temperature outside, protecting it during cold weather. Thus it is a technique used in polyhouse farming.