Q57. Which of the following statements can help in water conservation in agriculture? 1. Reduced or zero tillage of the land 2. Applying gypsum before irrigating the field 3. Allowing crop residue to remain in the field Select the correct answer using the code given below:

What is/are the advantage/ advantages of zero tillage in agriculture? 1. Sowing of wheat is possible without burning the residue of the previous crop. 2. Withou

Consider the following agricultural practices: 1. Contour bunding 2. Relay cropping 3. Zero tillage In the context of global climate change, which of the abov

With reference to agricultural soils, consider the following statements: 1. A high content of organic matter in soil drastically reduces its water holding capa

Which of the following is/are the advantage/advantages of practicing drip irrigation? 1. Reduction in weed 2. Reduction in soil salinity 3. Reduction in-soil er

With reference to the circumstances in Indian agriculture, the concept of “Conservation Agriculture” assumes significance. Which of the following fall under the

With reference to micro-irrigation, which of the following statements is/are correct? 1. Fertilizer/nutrient loss can be reduced. 2. It is the only means of ir

Which of the following is/are the advantages /advantages of practising drip irrigation? (2016) 1. Reduction in weed 2. Reduction in soil salinity 3. Reduction i

“System of rice Intensification” of cultivation, in which alternate wetting and drying of rice fields is practised, results in: 1. Reduced seed requirement 2. R

Consider the following statements: The nation-wide ‘Soil Health Card Scheme’ aims at: 1. Expanding the cultivable area under irrigation. 2. Enabling the banks t

What is the use of biochar in farming? 1. Biochar can be used as a part of the growing medium in vertical farming. 2. When biochar is a part of the growing medi

What are the advantages of fertigation in agriculture? 1. Controlling the alkalinity of irrigation water is possible. 2. Efficient application of Rock Phosphate

With reference to soil conservation, consider the following practices: 1. Crop rotation 2. Sand fences 3. Terracing 4. Wind breaks Which of the above are consi

With reference to agriculture in India, how can the technique of ‘genome sequencing’, often seen in the news, be used in the immediate future? 1. Genome sequenc

In the context of India, which of the following is/are considered to be practice(s) of eco-friendly agriculture? 1. Crop diversification 2. Legume intensificati

What are the significances of a practical approach to sugarcane production known as ‘Sustainable Sugarcane Initiative’? 1. Seed cost is very low in this compare

In the context of mitigating the impending global warming due to anthropogenic emissions of carbon dioxide, which of the following can be potential sites for ca

Consider the following crops of India: 1. Groundnut 2. Sesamum 3. Pearl millet Which of the above is/are predominantly rainfed crop/crops?

What can be the impact of excessive/inappropriate use of nitrogenous fertilizers in agriculture? 1. Proliferation of nitrogen fixing microorganisms in soil can

What are the benefits of implementing the ‘Integrated Watershed Development Programme? 1. Prevention of soil runoff 2. Linking the country’s perennial rivers wi

Steel slag can be the material for which of the following? 1. Construction of base road 2. Improvement of agricultural soil 3. Production of cement Select the

With reference to soil conservation, consider the following practices: (2010) 1. Crop rotation 2. Sand fences 3. Terracing 4. Wind breaks Which of the above are

Which of the following leaf modifications occur(s) in the desert areas to inhibit water loss? 1. Hard and waxy leaves 2. Tiny leaves 3. Thorns instead of leaves

With reference to the current trends in the cultivation of sugarcane in India, consider the following statements: 1. A substantial saving in seed material is ma

How is permaculture farming different from conventional chemical farming? 1. Permaculture farming discourages monocultural practices but in conventional chemica

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?

Consider the following statements: 1. Agricultural soils release nitrogen oxides into the environment. 2. Cattle release ammonia into the environment. 3. Poultr

Consider the following activities: 1. Spreading finely ground basalt rock on farmlands extensively 2. Increasing the alkalinity of oceans by adding lime 3. Capt

Consider the following statements: 1. 36% of India’s districts are classified as “overexploited” or “critical” by the Central Ground Water Authority (CGWA). 2.

In the context of solving pollution problems, what is/are the advantage/advantages of bioremediation techniques? 1. It is a technique for cleaning up pollution

Consider the following statements: 1. Baking soda is used in fire extinguishers. 2. Quick lime is used in the manufacture of glass. 3. Gypsum is used in the man

The FAO accords the status of ‘Globally Important Agricultural Heritage System (GIAHS)’ to traditional agricultural systems. What is the overall goal of this in

In India, the problem of soil erosion is associated with which of the following? 1. Terrace cultivation 2. Deforestation 3. Tropical climate Select the correct

Which of the following is/are the possible consequence/s of heavy sand mining in river beds? 1. Decreased salinity in the river 2. Pollution of groundwater 3. L

The organisms “Cicada, Froghopper, and Pond skater” are:

With reference to perfluoroalkyl and polyfluoroalkyl substances (PFAS) that are used in making many consumer products, consider the following statemen

Consider the following statements: Statement-I: Many chewing gums found in the market are a source of environmental pollution. Statement-II: Many che

Consider the following statements: Statement-I: The Indian Flying Fox is placed under the “vermin” category in the Wild Life (Protection) Act, 1972. S

According to the Environmental Protection Agency (EPA), which one of the following is the largest source of sulphur dioxide emissions?

Consider the following statements: Statement I: India does not import apples from the United States of America. Statement II: In India, the law prohib

Consider the following: 1. Carabid beetles 2. Centipedes 3. Flies 4. Termites 5. Wasps Parasitoid species are found in how many of the above kind of o

Which one of the following shows a unique relationship with an insect that has coevolved with it and that is the only insect that can pollinate this t