Natural organic fertilizers are found to be better then chemical fertilizers because (1) chemical fertilizers are less productive (2) organic fertilizers are more productive (3) organic fertilizers sustain soil productivity (4) chemical fertilizers are toxic

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Answer :

organic fertilizers sustain soil productivity

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Description : Natural organic fertilizers are found to be better then chemical fertilizers because – (1) chemical fertilizers are less productive (2) organic fertilizers are more productive (3) organic fertilizers sustain soil productivity (4) chemical fertilizers are toxic

Last Answer : (3) organic fertilizers sustain soil productivity Explanation: Organic fertilizers like compost are either soil conditioners or growth enhancers. They sustain crop yields and soil productivity in intensive cropping systems which leave low organic residues on the soil.

Description : Which of the following listed is not a feature of organic farming? (1) The non-use of chemical fertilizers and pesticides (2) Soil is nurtured for furture use by maintaining micro-or-danisms tin (3) Use of synthetic fertilizers (4) Very less energy consumption

Last Answer : (3) Use of synthetic fertilizers Explanation: Organic farming is a form of agriculture that re-lies on techniques such as crop rotation, green manure, compost, and biological pest ... but it excludes the use of synthetic petrochemical fertilizers and pesticides, plant growth regulators, etc.

Description : Which of the following listed is not a feature of organic farming ? (1) The non-use of chemical fertilizers and pesticides (2) Soil is nurtured for furture use by maintaining micro-organisms (3) Use of synthetic fertilizers (4) Very less energy consumption

Last Answer : Use of synthetic fertilizers

Description : High quality crop soil requires humus as a major component. Which of the following best describes the composition of humus w) fine sand particles x) decaying organic matter y) mineral like clay matter z) chemical fertilizers

Last Answer : ANSWER: X -- DECAYING ORGANIC MATTER 

Description : Humus is a type of – (1) fossil seen on the rocks (2) decaying organic matters in soil (3) fertilizers applied in soil (4) special growth found in plants

Last Answer : (2) decaying organic matters in soil Explanation: Humus refers to the decomposed and partly decomposed organic matter or animal and vegetation originally present in the soil.

Description : Humus is a type of (1) fossil seen on the rocks (2) decaying organic matters in soil (3) fertilizers applied in soil (4) special growth found in plants 

Last Answer : decaying organic matters in soil

Description : Organic food is supposed to be better for human consumption because – (1) It is grown in glass house air tight environment (2) It is grown without the use of chemicals & synthetic pesticides (3) It depends on chemicals & fertilizers (4) It is too expensive to buy

Last Answer : (2) It is grown without the use of chemicals & synthetic pesticides Explanation: There are at least two good arguments for eating organic: fewer pesticides and more nutrients. In ... organic foods contain higher levels of antioxidants and less harmful chemicals than conventionally farmed pro-duce.

Description : Organic food is supposed to be better for human consumption because : (1) It is grown in glass house & air tight environment. (2) It is grown without the use of chemicals & synthetic pesticides. (3) It depends on chemicals & fertilizers. (4) It is too expensive to buy.

Last Answer : It is grown without the use of chemicals & synthetic pesticides. 

Description : Assertion : Use of fertilizers greatly enhaces crop productivity. Reason : Irrigation is very important in increasing crop productivity.

Last Answer : Assertion : Use of fertilizers greatly enhaces crop productivity. Reason : Irrigation is very important ... D. If both assertion and reason are false

Description : The rate at which light energy is converted into chemical energy of organic molecules is the ecosystem’s (a) net secondary productivity (b) gross primary productivity (c) net primary productivity (d) gross secondary productivity.

Last Answer : (b) gross primary productivity

Description : What effect when some farmer use too much chemical fertilizers to replenish soil fertility?

Last Answer : Feel Free to Answer

Description : Organic crop cultivation is : a. With fertilizers b. Without fertilizers c. With organic manures d. None of these

Last Answer : Without fertilizers

Description : What types of grasses and plants sustain harsh winters, hilly, sandy soil, and road salt?

Last Answer : Buffalo grass (side oats gramma) is very hardy and can take just about anything.

Description : The existence of a Parallel Economy or Black Money - (1) makes the economy more competitive (2) makes the monetary policies less effective (3) ensures a better distribution of income and wealth (4) ensures increasing productive investment

Last Answer : (2) makes the monetary policies less effective Explanation: In India, Black money refers to funds earned on the black market, on which income and other taxes has not been paid. Black money ... a policy. So, in nutshell, the existence of parallel economy erodes the effectiveness of monetary policies.

Description : The existence of a parallel economy or Black Money - (1) makes the economy more competitive (2) makes the monetary policies less effective (3) ensures a better distribution of income and wealth (4) ensures increasing productive investment

Last Answer : (2) makes the monetary policies less effective Explanation: The existence of black money is injurious not just for tax revenues. It distorts the systematic resource allocation process and upsets the ... . So the existence of black money erodes the very rationale of growth behind monetary policies.

Description : The existence of a Parallel Economy or Black Money (1) makes the economy more competitive (2) makes the monetary policies less effective (3) ensures a better distribution of income and wealth (4) ensures increasing productive investment

Last Answer : makes the monetary policies less effective

Description : The inherent capacity of soil to provide essential chemical elements for the growth of plants is termed as – a. Soil Productivity b. Soil Fertility c. Soil capacity d. Soil flexibility e. Soil Utility

Last Answer : b. Soil Fertility

Description : The open "Sigrees or coal stoves often require fanning to sustain burning because of (1) tendency of carbon dioxide to form a layer along with dust smoke (2) lack of oxygen in the ... 3) accumulation of smoke and dust over the sigrees (4) interrupted release of moisture from the material

Last Answer : (1) tendency of carbon dioxide to form a layer along with dust smoke Explanation: Burning coal requires oxygen to chemically react. The availability of oxygen is limited in the furnace by several factors ... dioxide from forming layer along with dust smoke so as to keep the supply of oxygen intact.

Description : The open "Sigrees" or coal stoves often require fanning to sustain burning because of (1) tendency of carbon dioxide to form a layer along with dust smoke (2) lack of oxygen in the ... 3) accumulation of smoke and dust over the sigrees (4) interrupted release of moisture from the material

Last Answer : tendency of carbon dioxide to form a layer along with dust smoke

Description : Is secondary productivity storage of energy or the conversion of energy to organic products? -Biology

Last Answer : answer:

Description : Is secondary productivity storage of energy or the conversion of energy to organic products? -Biology

Last Answer : answer:

Description : Secondary productivity is rate of formation of new organic matter by:

Last Answer : Secondary productivity is rate of formation of new organic matter by: A. Producer B. Parasite C. Consumer D. Decomposer

Description : The rate of formation of new organic matter by rabbit in a grassland, is called (a) net productivity (b) secondary productivity (c) net primary productivity (d) gross primary productivity.

Last Answer : (b) secondary productivity

Description : Secondary productivity is rate of formation of new organic matter by (a) consumers (b) decomposers (c) producers (d) parasites.

Last Answer : (a) consumers

Description : In an ecosystem the rate of production of organic matter during photosynthesis is termed as (a) secondary productivity (b) net productivity (c) net primary productivity (d) gross primary productivity.

Last Answer : (d) gross primary productivity.

Description : What type of pollution do you get from using chemical fertilizers and pesticides?

Last Answer : Air, land, noise and water pollution are the types of pollutionthat using chemical fertilizers and pesticides give. Artificial,laboratory-made, non-organic, synthetic fertilizers and ... and pesticide applications sometimes followmonthly schedules spring through fall and use noisy equipment.

Description : The package technology which brought about Green Revolution comprised manily of (1) man-power, mechanical cultivators and electricity (2) changes in crop pattern, industrialization and chemical ... and highyield varieties of seeds (4) electricity, irrigation and introduction of dry farming

Last Answer : (3) irrigations, biochemical fertilizers and high-yield varieties of seeds Explanation: Using seeds with superior genetics was the scientific aspect of the Green Revolution. The Green ... water supply and improved moisture utilization, fertilizers, and pesticides, and associated management skills.

Description : Write down the types of chemical fertilizers. What are their harmful affects/hazards also describe their solutions? 

Last Answer : Types of Fertilizers: - There are two types of fertilizers: - Organic Fertilizers: - The decaying animals refuse and excreta along with rotten leaves and fruits form useful humus. This humus ... nitrogen into soil. ii) Use of organic fertilizers should be increased to avoid these problems. 

Description : An improved variety of transgenic basmati rice (a) does not require chemical fertilizers and growth hormones (b) gives high yield and is rich in vitamin A (c) is completely resistant to all insect pests and diseases of paddy (d) gives high yield but has no characteristic aroma.

Last Answer : (b) gives high yield and is rich in vitamin A

Description : What are the advantages of fertigation in agriculture? 1. Controlling the alkalinity of irrigation water is possible. 2. Efficient application of Rock Phosphate and all other phosphatic fertilizers is possible. 3. Increased availability of ... 1, 2 and 4 only c) 1, 3 and 4 only d) 2, 3 and 4 only

Last Answer : c) 1, 3 and 4 only

Description : In which type of industries the public sector units play a dominant role? A. petro chemical B. fertilizers C. steel industries D. all of the above

Last Answer : D. all of the above

Description : Q1. Compare the use of manure and fertilizers in maintaining soil fertility. -Science

Last Answer : Manure improves the soil quality with added nutrients. Manure provides extra organic matter called humus to the soil and therefore increasing the water retention capacity of sandy soils and drainage in clayey ... do not get oxygen properly. The nature of soil changes either to basic or acidic.

Description : $ Crop rotation decreasess the soil fertility. ! High concentration of minerals is required as fertilizers.

Last Answer : $ Crop rotation decreasess the soil fertility. ! High concentration of minerals is required as fertilizers. A. ... D. If both As and R are wrong.

Description : Repeated use of which one of the following fertilizers would increase the acidity of the soil?

Last Answer : Repeated use of which one of the following fertilizers would increase the acidity of the soil? A. ... . Ammonium sulphate C. Potassium nitrate D. Urea

Description : Repeated use of which one of the following fertilizers would increase the acidity of the soil?

Last Answer : Repeated use of which one of the following fertilizers would increase the acidity of the soil? A. ... . Ammonium sulphate C. Potassium nitrate D. Urea

Description : "Mulching" is the term used for the process of (a) Covering the roots of plants with loose material, dung, etc. in order to protect them from soil erosion etc. (b) Breaking down big pieces ... into small ones (c) Transplanting of paddy seedlings (d) Nitrogen fixation of soil by use of fertilizers

Last Answer : Ans: (a)

Description : What is the reason for the reduced soil fertility? a. Over Irrigation b. Poor Drainage c. Continuous cropping d. Imbalanced use of fertilizers e. Pesticide

Last Answer : d. Imbalanced use of fertilizers

Description : Crop logging’ is the method of? a. Soil fertility evaluation b. Plan analyst for assessing requirements for nutrients for crop production c. Assessing crop damage d. Testing suitability of fertilizers e. None of these

Last Answer : e. None of these

Description : The most essential element for crop is A. water B. fertilizers C. soil D. humidity

Last Answer : A. water

Description : Of the following statements about the major soil types, the incorrect one is : (a) alluvial soils are easy to plough (b) red soils are rich in phosphorus, nitrogen and lime content ( ... regions which receive heavy seasonal rainfall (d) black soil is highly retentive of moisture and very productive

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Description : Deep black soil is productive due to high proportion of (a) sand and zinc (b) gravel and calcium (c) clay and humus (d) silt and earthworm.

Last Answer : (c) clay and humus

Description : The short course chemotherapy of tuberculosis has practically replaced the conventional regimens because: A. It is more efficatious B. It is less toxic C. It has yielded higher completion rates D. All of the above are correc

Last Answer : D. All of the above are correct

Description : (3) prevents freezing of petrol Explanation: Ethylene glycol (IUPAC name: ethane-1,2-diol) is an organic compound widely used as an automotive antifreeze and a precursor to polymers. In its pure form, it is ... A mixture of 60% ethylene glycol and 40% water freezes at -45 degree C (- 49 degree F).

Last Answer : Rust is - (1) A mixture of Fe₂O₃ and Fe(OH) ₂ (2) A mixture of FeO and Fe(OH)₂ (3) FeO only (4) A mixture of Fe₂O₃, 3H₂O and FeO

Description : Would a four-day workweek make people more or less productive?

Last Answer : Trials of four-day weeks have had both results, so there's no simple answer.In August of 2019, Microsoft Japan conducted a test where they moved 2,300 office workers to a four-day workweek ... very successful and that there are "no plans to change, potentially ever."While there are numerous other

Description : (2) Nitrogen, Phosphorous and Sodium Explanation: Fertilizer (or fertiliser) is any organic or inorganic material of natural or synthetic origin (other than liming materials) that is added to a ... essential to the growth of plants. The three elements most needed in common fertilisers are Nitrogen.

Last Answer : Metal are good conductors, because – (1) they contain free electrons (2) the molecules in them are very close to each other (3) the molecules in them collide very freely (4) they contain reflecting surface

Description : Which gas found in the atmosphere is used to make fertilizers and explosiver?

Last Answer : Earth

Description : What Based on the content of most fertilizers name two elements other than carbon that are found in compounds in plants?

Last Answer : Nitrogen and phosporus

Description : Which of the following is false? (a) Mica is usually found in metamorphic and igneous rocks (b) Aluminium has the advantage over iron as it is resistant to corrosion (c) line is mostly used in galvanising iron and steel goods (d) Manganese is largely used in making fertilizers

Last Answer : Ans: (d)

Description : Which one of the following elements is least likely to be found in commercial fertilizers? (1) Nitrogen (2) Phosphorous (3) Potassium (4) Silicon

Last Answer : (4) Silicon Explanation: Fertilizers typically provide, in varying proportions: (1) six macronutrients: nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), magnesium (Mg), and sulfur (S); and (ii) eight ... copper (Cu), iron (Fe), manganese (Mn), molybdenum (Mo), zinc (Zn) and nickel {Ni}.