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61
Dapog method of crop raising is associated with
Discuss
Answer & Solution
Answer: Option C
Solution:
Explanation:
The correct answer is Option C: nursery raising.
Let's break down why:

* Dapog Method: This is a special way of growing rice seedlings before they are transplanted to the main field.
* Nursery Raising: This refers to the process of nurturing young plants in a controlled environment (the nursery) before they are planted in the field.

The Dapog method is a form of nursery raising where rice seedlings are grown very densely on a prepared surface (often concrete or plastic sheets) without soil. This makes it easier to transplant them.

* Interculture operation: This refers to practices done between rows of crops after they've been planted (e.g., weeding).
* Seed-bed preparation: This is about preparing the soil where seeds are directly sown, not a specific method for raising seedlings before transplanting.
* Inter-cultivation: Same as interculture operation

Therefore, the Dapog method is directly related to nursery raising.
62
Roots used for flavouring coffee powder
Discuss
Answer & Solution
Answer: Option A
Solution:
Chicory root comes from a plant with bright blue flowers that belong to the dandelion family. These are ground and made into a powder to blend with coffee to enhance its flavor, it can also be used as an alternative.
63
'Akiochi' disease in rice is due to the toxicity caused by
Discuss
Answer & Solution
Answer: Option D
Solution:
Akiochi disease of Rice is associated with hydrogen sulphide toxicity. The rice reacts to sulphide by producing impermeable barriers in the roots. It causes black crown and root rot in rice.
64
Recommended Alley width in Alley cropping at least,
Discuss
Answer & Solution
Answer: Option C
Solution:
Alley cropping is a specific practice in which trees or shrubs and crops are grown in alternate rows. And these trees are commonly pruned to limit the shading of the agricultural crop. And one more thing that needs to be supervised is the width of the alley, it should be at least 3 meter.
Alley cropping helps in restoring soil fertility by nutrient cycling and erosion control.
65
Which nutrient mimics nitrogen deficiency
Discuss
Answer & Solution
Answer: Option C
Solution:
The deficiency of molybdenum mimics nitrogen deficiency as in the absence of sufficient molybdenum the plants accumulate nitrate in their leaves, but cannot use it to make proteins for normal growth. The plant becomes stunted and the leaves show symptoms of nitrogen deficiency and appear to be pale green or yellowish green in colour.
66
In arid and semi-arid regions of India the effective rainfall is assumed as
Discuss
Answer & Solution
Answer: Option B
Solution:
Arid and Semi-arid regions are characterized by mean annual precipitation between 200 and 700 mm.
Effective rainfall is equal to the difference between total rainfall and actual evapotranspiration. And effective rainfall for arid and semi-arid regions of India is assumed to be 70%.
67
The Photoperiodic behaviour of Maize
Discuss
Answer & Solution
Answer: Option B
Solution:
Maize is a crop of tropical origin and adapted to short day lengths, therefore the photoperiodic behavior of maize is Quantitative short day plant.
Maize show sensitivity to the photoperiod on a high scale due to high expression of cicardian rhythm responding genes improperly early in the light.
68
Rice grown in Indonesia belongs to
Discuss
Answer & Solution
Answer: Option D
Solution:
Javanica variety of rice is mostly grown in Indonesia. These are with broad, stiff, light green leaves. It is low-tillering and has a tall plant stature.
Rice cultivation in Indonesia is well suited because of its warm climate, high amounts of rainfall and low labour costs.
69
Zero tillage system was first used successfully in 1950 in pasture removation in
Discuss
Answer & Solution
Answer: Option D
Solution:
'Zero tillage system' was first used successfully in 1950 for pasture renovation in the USA.
A zero tillage system is an agricultural technique of growing crops or pasture without disturbing the soil through tillage. It decreases the amount of soil erosion.
70
Temperature of cold waves is less from normal by how many degrees?
Discuss
Answer & Solution
Answer: Option A
Solution:
A cold wave is declared as cold when the minimum temperature of the wave is 10 degrees Celcius or below.
It is usually less than normal by 6° - 8°C.