Question
Which of the following methods can help in preventing
soil erosion? 1. Contour bunding 2. Cover cropping 3. Gully plugging 4. Crop rotation Select the correct answer using the code given below:Solution
Contour bunding, Contour terracing, regulated forestry, controlled grazing, cover cropping, mixed farming and crop rotation are some of the remedial measures which are often adopted to reduce soil erosion. In bigger gullies, the erosive velocity of water may be reduced by constructing a series of check dams. Th is can be done by gully plugging, terracing or by planting cover vegetation.Â
- Microsoft Windows, Google's Android, and Linux are all examples of what?
A milkman has a 60-liter mixture of milk and water in the ratio of 7:5. He sells 'x' liters of the mixture and replaces it with the same amount of a new...
A sum of money becomes ₹5,600 in 4 years and ₹6,400 in 8 years at simple interest. Find the rate of interest per annum.
If f(x) is periodic of period T, then:
‘P’ and ‘Q’ invested Rs. 900 and Rs. 750 respectively in a business. After 6 months, ‘P’ increased his investment by Rs. 150 while ‘Q’ d...
A group consists of 4 boys and 5 girls. In how many ways can a 5-member committee be formed that includes exactly 3 girls and 2 b...
From a point on the ground, the angle of elevation to the top of a building is 30 degrees. If the distance between the point and the base of the buildin...
Marked price of an article is Rs. M, as it is marked by a certain price. Find the value of M.
Statement I. If the shopkeeper gives a discount of ...
A Jar contains a mixture of orange juice and milk 35 and 28 Liters respectively. When the 'x' liter of the mixture is taken out and replaced with the sa...
if p:q = 3:4 and q:r = 1:2, the find the value of (4p + 3q + r):(2p + 5q - r)