Welcome to your environmentquiz30
1.
Why does the Government of India promote the use of Neem-coated Urea' in agriculture? [2016]
2.
What can be the impact of excessive/inappropriate use of nitrogenous fertilizers in agriculture? [2015]
- Proliferation of nitrogen-fixing microorganisms in soil can occur.
- Increase in the acidity of soil can take place
- Leaching of nitrate to the ground-water can occur.
Select the correct answer using the code given below.
3.
Consider the following statements: [2015]
- The Accelerated Irrigation Benefits Programme was launched during 1996-97 to provide loan assistance to poor farmers.
- The Command Area Development Programme was launched in 1974-75 for the development of water-use efficiency.
Which of the statements given above is/are correct?
4.
Consider the following statements: [2014]
- Maize can be used for the production of starch.
- Oil extracted from maize can be a feedstock for biodiesel.
- Alcoholic beverages can be produced by using maize.
Which of the statements given above is/are correct?
5.
What are the significances of a practical approach to sugarcane production known as 'Sustainable Sugarcane Initiative'? [2014]
- Seed cost is very low in this compared to the conventional method of cultivation.
- Drip irrigation can be practiced very effectively in this.
- There is no application of chemical/inorganic fertilizers at all in this.
- The scope for intercropping is more in this compared to the conventional method of cultivation.
Select the correct answer using the code given below.
6.
Consider the following organisms: [2013]
- Agaricus
- Nostoc
- Spirogyra
Which of the above is/are used as biofertilizer/ biofertilizers?
7.
With reference to micro-irrigation, which of the following statements is/are correct? [2011]
- Fertilizer/nutrient loss can be reduced.
- It is the only means of irrigation in dry land farming.
- In some areas of farming, receding of ground water table can be checked.
Select the correct answer using the codes given below:
8.
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]
9.
Which features of some species of blue-green algae helps promote them as bio-fertilizers? [2010]
- They convert atmospheric methane into ammonia which the crop plants can absorb readily.
- They induce the crop plants to produce the enzymes which help convert atmospheric nitrogen to nitrates.
- They have the mechanism to convert atmospheric nitrogen into a form that the crop plants can absorb readily.
- They induce the roots of the crop plants to absorb the soil nitrates in larger quantities.
10.
Consider the following: [2024]
- Battery storage
- Biomass generators
- Fuel cells
- Rooftop solar photovoltaic units
How many of the above are considered “Distributed Energy Resources”?