Description : Broad bed furrow system is recommended for — type of soil a. Deep black soil b. Red soil c. Sandy soil d. Loamy soil
Last Answer : a. Deep black soil
Description : In high rainfall area soils are — a. Acidic b. Saline soil c. Alkaline d. Black
Last Answer : a. Acidic
Description : Pick up the correct statement from the following: (A) A soil having pH value more than 7 is an acidic soil (B) A soil having pH value less than 7 is an acidic soil (C) A soil ... more than 7 is an alkaline soil (D) A soil containing chemicals for the manufacture of Portland cement is preferred
Last Answer : Answer: Option B
Description : Rice varieties suitable for Saline-alkaline soil are
Last Answer : Ans.CSR-10, CSR-13, CSR-27
Description : ___ soil is also known by different names like Reh, Kallar and Usar? a Peaty and Marshy Soils b Saline and Alkaline Soil c Red soils d Alluvial Soil e Laterite Soil
Last Answer : c Red soils
Description : Red gram pod fly maggots pupates in — a. Pod b. Leaf c. Soil d. None of these
Last Answer : c. Soil
Description : Identify the type of soil on the basis of the given characteristics - 1. They are rich in lime, iron, magnesia and alumina. 2. They are generally clayey, deep and impermeable. 3. They are mainly found ... the given alternatives - a. Laterite soil b. Red and yellow soil c. Saline soil d. Black soil
Last Answer : d. Black soil
Description : Which is the most abundantly available soil in India? a. Saline Soil b. Alluvial Soil c. Laterite Soil d. Red Soil
Last Answer : b. Alluvial Soil
Description : Reclamation of saline soil which of the following practice is followed ? — a. Adequate drainage b. By good quality irrigation water c. Leaching of salts below root zone d. All of these
Last Answer : d. All of these
Description : White alkali soils are — a. Acidic soil b. Sodic soil c. Saline soil d. Saline Sodic soil
Last Answer : c. Saline soil
Description : In which soils, lime is used as soil amendment ? (A) Alkali (B) Acid (C) Saline (D) Saline-Alkali solis
Last Answer : (B) Acid
Description : Which of the following types of soils is found throughout India in all climatic zones? (a) Saline and Alkaline soils (b) Red soils (c) Laterite soils (d) Alluvial soils
Last Answer : Ans: (a)
Description : Saline and alkaline soils in India are also called as – (1) Kallar (2) Khadar (3) Regur (4) Bangar
Last Answer : (1) Kallar Explanation: Regur of Black Cotton Earth soil refers to the dark coloured volcanic soil. Saline and alkaline soils in India are also called as kallar.
Description : Gypsum is used for improvement of: (1) Alkaline soils (2) Saline soils (3) (3) Podsols (4) (4) Acidic soils
Last Answer : (2) Saline soils Explanatioqn: Gypsum is calcium sulfate which is essential to the sustainability of most irrigated soils. Irrigated land eventually leads to sodieity and salinity unless extreme care is ... improves sodic (saline) soils by removing sodium from the soil and replacing it with calcium.
Description : Gypsum is used for improvement of: (1) Alkaline soils (2) Saline soils (3) Podsols (4) Acidic soils
Last Answer : Saline soils
Description : If soil pH is higher than 7 then that soil is called alkaline. Does that mean that soil has more alkaline substance ?
Last Answer : Yes , it means the mineral content in the soil It has high alkalinity.
Description : Pick up the correct statement from the following: A. pH value indicates acidity and alkalinity of sewage B. In acidic sewage, the pH value is less than 7 C. In alkaline sewage, the pH value is more than 7 D. All the above
Last Answer : ANS: D
Description : pH value of sludge during alkaline regression stage, is A. More than 7 B. Less than 7 C. Less than 6 D. More than 6
Last Answer : ANS: A
Description : If pH value of water is (A) 7 water it is said to be neutral (B) Less than 7 it is said to be acidic (C) More than 7 it is said to be alkaline (D) All the above
Last Answer : (D) All the above
Description : Water having pH value as 6, is (A) Alkaline (B) Acidic (C) Neutral (D) None of these
Last Answer : (B) Acidic
Description : What is the ph of saline solution?
Last Answer : No specific pH
Description : What should be the pH range of the soil for the cultivation of Mint? a. 8.0-10.0 b. 5-6.5 c. 8.5-10.2 d. 6.5-8.0
Last Answer : d. 6.5-8.0
Description : What is suitable soil pH for the cultivation of grapes? a. 5.5-6.5 b. 3.5-4.5 c. 7.5-8.5 d. 6.5-7.5
Last Answer : d. 6.5-7.5
Description : For reclamation of alkaline soil — is used. a. Lime b. Calcium carbonate c. Gypsum d. None of these
Last Answer : c. Gypsum
Description : If a concrete column 200 200 mm in cross-section is reinforced with four steel bars of 1200 mm2 total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm2 ... 15 Ec (A) 264 MN (B) 274 MN (C) 284 MN (D) 294 MN
Last Answer : (C) 284 MN
Description : Light water' used as a coolant in nuclear reactor is nothing but (A) Ordinary water (B) Mildly acidic (pH = 6) water (C) Mildly alkaline (pH = 8) water (D) None of these
Last Answer : (A) Ordinary water
Description : Is it true that the earths surface is covered by a continuous layer of soild rock?
Last Answer : s it true that the earths surface is covered by a continuouslayer of solid rock?
Description : What keeps the inner core soild even though the temperature is very high?
Last Answer : What is the answer ?
Description : Is a watermelon a soild?
Last Answer : In the scientific sense, they are solids, as opposed to gas orliquid. However the outside is harder than the inside, so it is notcompletely solid inside.
Description : An area where freshwater and salt water meets is called ________ a. Brackish water b. Saline Water c. Confluence d. Ocean
Last Answer : a. Brackish water
Description : Following are the statements regarding the Usar soil - 1. It is reclaimed by adding lime. 2. This soil has pH more than seven. 3. Paddy crop can be grown in this soil. Select the correct answer from the codes ... and 2 are correct b) 2 and 3 are correct c) Only 3 is correct d) Only 1 is correct
Last Answer : b) 2 and 3 are correct
Description : 5. In a parallelogram ABCD, E and F are the mid-points of sides AB and CD respectively (see Fig. 8.31). Show that the line segments AF and EC trisect the diagonal BD. -Maths 9th
Last Answer : . Solution: Given that, ABCD is a parallelogram. E and F are the mid-points of sides AB and CD respectively. To show, AF and EC trisect the diagonal BD. Proof, ABCD is a parallelogram , AB || CD also, ... (i), DP = PQ = BQ Hence, the line segments AF and EC trisect the diagonal BD. Hence Proved.
Description : Two solutions A1 & A2 have pH value of 2 & 6 respectively. It implies that the solution (A) A1is more alkaline than solution A2 (B) A1is highly acidic (C) A2is very slightly acidic (D) Both (B) & (C)
Last Answer : (D) Both (B) & (C)
Description : How many algorithm based on add/subtract and shift category: a. 2 b 64 ec. 8 d 6
Last Answer : ec. 8
Description : How many bits of mantissa : a. 4 b. 8 ec. 10 d. 16
Last Answer : ec. 10
Description : Excessive use of chemical fertilisers causes shrivelling of the roots and wilting of the plant, because the (A) Osmotic pressure of the soil water becomes less than that of the plant sap (B) Soil ... pressure of the soil water becomes higher than that of the plant sap (D) Soil becomes too acidic
Last Answer : (C) Osmotic pressure of the soil water becomes higher than that of the plant sa
Description : Which one of the following statements is false in respect of viability of mammalian sperm? (a) Sperm is viable for only up to 24 hours. (b) Survival of sperm depends on the pH of the ... ) Viability of sperm is determined by its motility. (d) Sperms must be concentrated in a thick suspension.
Last Answer : (a) Sperm is viable for only up to 24 hours.
Description : 70. Which one of the following statements is false in respect of viability of mammalian sperm ? (1) Sperms must be concentrated in a thick suspension (2) Sperm is viable for only up to 24 hours ... the medium and is more active in alkaline medium (4) Viability of sperm is determined by its motility
Last Answer : Sperm is viable for only up to 24 hours
Description : An aquoeous solution twice alkaline as water, The pH of the solution is near to
Last Answer : An aquoeous solution twice alkaline as water, The pH of the solution is near to A. 6.7 B. 6.4 C. 7.3 D. 7.6
Description : Calcium absorption is interfered by (A) Protein in diet (B) Phytic acid in cereals (C) Alkaline intestinal pH (D) Vitamin D
Last Answer : Answer : B
Description : Vitamin D absorption is increased in (A) Acid pH of intestine (B) Alkaline pH of intestine (C) Impaired fat absorption (D) Contents of diet
Last Answer : Answer : A
Description : Acidosis is the condition in which the blood pH is abnormally low. Alkalosis is the condition in which the blood pH is abnormally high. Normal pH levels for the human blood are between 7.35 and 7.45 - slightly alkaline.
Last Answer : How does the breathing process correct acidosis?
Description : If the pH value of sewage is 7 A. It is acidic B. It is alkaline C. It is neutral D. None of these
Last Answer : ANS: C
Description : In Bt cotton, the Bt toxin present in plant tissue as protoxin is converted into active toxin due to (a) action of gut microorganisms (b) presence of conversion factors in insect gut (c) alkaline pH of the insect gut (d) acidic pH of the insect gut.
Last Answer : (c) alkaline pH of the insect gut
Description : What triggers activation of protoxin to active toxin of Bacillus thuringiensis in bollworm? (a) Acidic pH of stomach (b) Body temperature (c) Moist surface of midgut (d) Alkaline pH of gut
Last Answer : (d) Alkaline pH of gut
Description : Which of the following bacteria can grow in alkaline pH? A- Shigella B- .Lactobacilli C- Salmonella D- Vibrio cholera
Last Answer : Vibrio cholera
Description : Pick up the incorrect statement from the following: (A) The pH value of water indicates the logarithm of reciprocal of hydrogen ion concentration in water (B) Higher value of pH ... value of pH means higher hydrogen ion contraction (D) Lower value of pH gives alkaline solution
Last Answer : (D) Lower value of pH gives alkaline solution
Description : If the pH value of sewage is (a) it is acidic (b) it is alkaline (c) it is neutral* (e) None of these
Last Answer : (c) it is neutral*
Description : Accumulation of high exchangeable sodium ions and pH more than 8.5 is called a. Pedoturbation b. Solonization c. Dealkalisation d. Gleization
Last Answer : b. Solonization