With reference to Neem tree, consider the following statements:
1. Neem oil can be used as a pesticide to control the proliferation of some species of insects and mites.
2. Neem seeds are used in the manufacture of biofuels and hospital detergents.
3. Neem oil has applications in pharmaceutical industry.
Which of the statements given above is/are correct?
[2014]
Consider the following crops:
1. Cotton
2. Groundnut
3. Rice
4. Wheat
Which of these are Kharif crops?
[2013]
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Contour bunding is a method of soil conservation used in
[2013]
Consider the following crops of India:
1. Groundnut
2. Sesamum
3. Pearl millet
Which of the above is/are predominantly rained crop/crops?
[2012]
Consider the following crops of India:
1. Cowpea
2. Green gram
3. Pigeon pea
Which of the above is/are used as pulse, fodder and green manure?
[2012]
Which of the following is the chief characteristic of ‘mixed farming’?
[2012]
Salinization occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals.
What are the effects of salinization on the irrigated land?
[2011]
Given below are the names of four energy crops. Which one of them can be cultivated for ethanol?
[2010]
Tamil Nadu is a leading producer of mill-made cotton yarn in the country. What could be the reason?
1. Black cotton soil is the predominant type of soil in the State.
2. Rich pool of skilled labour is available.
Which of the above is/are the correct reasons?
[2010]
Due to their extensive rice cultivation, some regions may be contributing to global warming. To what possible reason/ reasons is this is attributable?
1. The anaerobic conditions associated with rice cultivation cause the emission of methane.
2. When nitrogen based fertilizers are used, nitrous oxide is emitted from the cultivated soil.
Which of the statements given above is/are correct?
[ 2010]