Organic carbon is a measure of?
A. Available N in soil
B. Available P in soil
C. Available K in soil
D. Available Mg in soil

1 Answer

Answer :

A. Available N in soil

Related questions

Description : Which of the following elements is most mobile in soil ? (A) Ca (B) K (C) Mg (D) N

Last Answer : (D) N

Description : Milk fever is caused due to the deficiency of— (A) P (B) Ca (C) Mg (D) K

Last Answer : (B) Ca

Description : Stomata are regulated by (a) N (b) P (c) K (d) Ca

Last Answer : (c) K

Description : Fertilizer dose recommended for a crop of Groundnut is N:P:K, respectively (a) 20-40: 50-60: 30-40 (b) 40-50: 50-60: 30-40 (c) 20-40 : 60-80: 30-50 (d) 40-50 : 60-80: 30-50

Last Answer : (a) 20-40: 50-60: 30-40

Description : The plant nutrient which help in translocation of sugars and starch is : (A) Mg (B) Mo (C) K (D) Na

Last Answer : (C) K

Description : Deficiency symptom fo mobile elements (e.g. N,Mg,K,P) first appear in

Last Answer : Deficiency symptom fo mobile elements (e.g. N,Mg,K,P) first appear in

Description : Deficiency symptoms of N, P, K, Mg and Mo appear in

Last Answer : Ans. Older leaves

Description : N, P, K, Ca, Mg and S are

Last Answer : Ans. Macro nutrients

Description : The major macro- elements are C; H; O; N;  S; P; K; Ca; Mg and Fe ganic food. Such plants  are called?

Last Answer : Heterotrophic plants

Description : Intervenous chlorosis is caused due to the deficiency of— (A) N (B) Mg(C) S (D) Fe

Last Answer : (D) Fe

Description : Pick out the wrong statement. (A) Biological oxygen demand (BOD) is a characteristic and not a constituent of water (B) BOD is a measure of the amount of oxygen which will be demanded & used in 5 days ... BOD is expressed in mg/litre (typically, BOD=2.5 mg/litre for potable water) (D) None of these

Last Answer : (D) None of these

Description : Pick out the correct statement. (A) Chemical oxygen demand (COD) is a measure of chemically oxidisable organic matter present in water (B) COD is determined by oxidising the organic matter present in water with potassium dichromate ... of potable water may be 1-2 mg/litre (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Description : Which fertilizer should be used if soil organic matter is low ?

Last Answer : If the soil organic matter is low then compost manure should be used.

Description : he soil which is found in the areas having heavy rainfall and high humidity, contains large quantity of organic matter and heavy and black in colour – a. Black soil b. Peat soil c. Forest soil d. Laterite soil

Last Answer : b. Peat soil

Description : Which one of the following is not correctly matched? Soil order Pronunciation (a) Entisols Recent (b) Aridisols Arid(c) Histosols Organic (d) Vertisols Pedalfor

Last Answer : (d) Vertisols Pedalfor

Description : Name of most popular variety of wheat in Uttar Pradesh is— (A) PBW – 343 (B) U.P. – 2338 (C) K – 7903 (D) K – 9107

Last Answer : (B) U.P. – 2338

Description : The growing of grass or legumes in rotation with grain or tilled crops as a soil conservation measure is termed as? a. Crop rotation b. Ley farming c. Shifting cultivation d. Dairy farming e. Mixed farming

Last Answer : b. Ley farming

Description : An instrument used to measure soil compaction is: a Hydrometer b Cone penetrometer c Tachometer d Hygrometer

Last Answer : b Cone penetrometer

Description : Pink pigmentation of grapes at ripening is due to ? a N Deficiency b K Deficiency c Erratic rainfall d High difference of diurnal temperature

Last Answer : d High difference of diurnal temperature

Description : Which of the following is not matched ? (a) Varuna —lrrigated or unirrigated condition (b) Vardan—Un.irrigated condition (c) Narendra•85 —Saline soil (d) K-88-Black grain

Last Answer : (d) K-88-Black grain

Description : Which is the best and the most effective method for the removal of organic contaminant present in the polluted water in very small quantity (say < 200 mg/litre)? (A) Lagooning (B) Activated carbon adsorption (C) Biological oxidation pond (D) Chemical coagulation

Last Answer : (B) Activated carbon adsorption

Description : Water held in the soil is not available to the plant, if it is held at tension...... (A) 1/3 atmosphere (B) below 1/3 atmosphere (C) 1-3 atmosphere (D) 3-15 atmosphere (E) above 15 atmosphere

Last Answer : (B) below 1/3 atmosphere

Description : Water held in the soil is not available to the plant, if it is held at tension...... (A) 1/3 atmosphere (B) below 1/3 atmosphere (C) 1-3 atmosphere (D) 3-15 atmosphere (E) above 15 atmosphere

Last Answer : (B) below 1/3 atmosphere

Description : Red and purple colour of maize (Zea Mays) is due to deficiency of (A) Ca (B) N (C)F (D) P

Last Answer : (D) P

Description : Why gypsum is used in crop of mustard ? (A) For supplying sulphur (s) (B) For supplying N (C) For supplying Fe (D) For supplying P

Last Answer : (A) For supplying sulphur (s)

Description : D.A.P. contains the N percentage— (A) 9% (B) 18% (C) 27% (D) 36%

Last Answer : (C) 27%

Description : The existence of a gas is vanished atA. N.T.P. B. At any temperature C. Absolute zero D. 0°C E. None of the above

Last Answer : C. Absolute zero

Description : Who is known as the ‘Father of White Revolution’ in India? a. P Pal b. Kurien c. S Swaminathan d. N.Bahal e. None of these

Last Answer : b. Kurien

Description : In citrus plant, die back diseases is the result of deficiency of (a) N (b) P (c) Boron (d) Copper

Last Answer : (d) Copper

Description : Orthoclase, Feldspar are important source of — in soil a. N b. P c. K d. S

Last Answer : c. K

Description : Which of the following element immobile in soil but mobile in plants? (A)S (B) B (C) Zn (D) P

Last Answer : (D) P

Description : Maize grow very well in the soil in p H ranging from (a) 4.5- 6.5 (b) 6- 8.5 (c) 5.5 – 7.5 (d) 7.5 – 8.5

Last Answer : (c) 5.5 – 7.5

Description : The C : N ratio of arable soil commonly ranges from : (A) 6 : 1 to 7: 1 (B) 18: 1 to 19: 1 (C) 8 : 1 to 15:1 (D) 3 : 1 to 4: 1

Last Answer : (C) 8 : 1 to 15:1

Description : A mass of 5kg is 100m above a given datum where local g = 9.75 m/s2 . Find the gravitational force in newtons. (Formula: Fg= mg/k )  a. 48.75 N  b. 50 N  c. 45 N  d. None of the above

Last Answer : 48.75 N

Description : Which of the following elements has the largest crystallographic radius? w) Mg x) N y) K z) F

Last Answer : ANSWER: Y -- K

Description : Soils with high pH are generally deficient in:? a Zn and Mn b B and Fe c Cu and Mo d Ca and Mg

Last Answer : a Zn and Mn

Description : From each set, choose the element with largest ionization enthalpy and explain your answer. (a) F, O, N (b) Mg, P, Ar (c) B, Al, Ga

Last Answer : Ans. (a). The element fluorine F has the largest ionization enthalpy because in general, it increases along the period. These elements belong to the second period in the order is: N, O, F. Therefore, ... the order of B, Al, Ga. Therefore, the first element B is expected to have the largest value.

Description : Under drought condition — nutrient deficiency is observed in Cotton. a. N b. Mg c. B d. P

Last Answer : b. Mg

Description : Is a measure of the rate of degeneration of carbon 14 in organic materials.?

Last Answer : What is the answer ?

Description : Biological Oxygen Demand (BOD) is a measure of: a. Industrial wastes poured into water bodies b. Extent to which water is polluted with organic compounds c. Amount of carbon monoxide inseparably combined with haemoglobin d. Amount of oxygen needed by green plants during night

Last Answer : Ans: A

Description : what are the key differences between organic and "beyond" organic?

Last Answer : himm, I have never heard of beyond organic but would be interested in knowing what this means.

Description : Working as an apprentice organic farmer, what would be an expected income in the first year?

Last Answer : A monthly income/stipend might be easiest way to express the answer. Any info from other types of apprenticeships, and guesses, would be welcome.

Description : What are the levels of organic matter in agro-ecological zones 3 , 7 and 8 ?

Last Answer : Organic matter levels in agro-ecological zones 3, ৭ , and are mild to moderate.

Description : Which one of the following is used in organic farming to prevent weed Germination & growth? A. Cow pea B. chick pea C. linseed D. Mulching

Last Answer : D. Mulching

Description : Composted manure is produced from(a) farmyard manure and green manure (b) farm refuse and household refuse (c) organic remains of biogas plants (d) rotten vegetables and animal refuse

Last Answer : (d) rotten vegetables and animal refuse

Description : Biofertilizers are – 1) Organic manures 2) Green manure 3) Culture of micro-organism 4) None of these

Last Answer : 3) Culture of micro-organism

Description : Which one of the following makes a case for intensive, modern farming? a) Cropping pattern b) Higher output using organic method c) Remunerative price d) None of these

Last Answer : a) Cropping pattern

Description : Tarai soils are high in:? a Iron b Sodium c Organic matter d Calcium

Last Answer : c Organic matter

Description : The following is a characteristic of a K.P.I. (Key Performance Indicator) A. It has to be quantifiable B. It can measure progress or change C. It is a real-time, graphical interface D. D. All of these options apply.

Last Answer : D. All of these options apply.

Description : The following is a characteristic of a K.P.I. (Key Performance Indicator) A. It has to be quantifiable B. It can measure progress or change C. It is a real-time, graphical interface D. D. All of these options apply.

Last Answer : All of these options apply.