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 : 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 : Soil having pH less than 8.5 EC more than 4 and ESP less than 15 is — a. Saline soil b. Alkaline soil c. Saline Alkaline soil d. None of these
Last Answer : a. Saline soil
Description : What is the term for a substance with a pH higher than 7?
Last Answer : Feel Free to Answer
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 : 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 : 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 : Pick out the wrong statement. (A) Loamy soil is the best soil for vigorous plant growth, while the clayey soil is solid and hence the plant roots penetrate with difficulty (B) Large ... vegetables (D) Cereal crops grown on alkaline soil absorb higher amount of fluorides thereby spreading fluorosis
Last Answer : (C) Application of large excess of Potassic fertiliser in soil increases the valuable carotene in fruits and vegetables
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 : 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 : 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 : 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 : Water having pH value as 6, is (A) Alkaline (B) Acidic (C) Neutral (D) None of these
Last Answer : (B) Acidic
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 : Adherent mucoid alkaline substance covering the inner lining of stomach is to - (1) digest starch (2) act against bacteria (3) prevent the action of pepsin of mucosa (4) prevent viral infection
Last Answer : (3) prevent the action of pepsin of mucosa Explanation: The continuous adherent mucus layer is also a barrier to luminal pepsin, thereby protecting the underlying mucosa from proteolytic ... support surface neutralization of acid and act as a protective physical barrier against luminal pepsin.
Description : Adherent mucoid alkaline substance covering the inner lining of stomach is to : (1) digest starch (2) act against bacteria (3) prevent the action of pepsin of mucosa (4) prevent viral infection
Last Answer : prevent the action of pepsin of mucosa
Description : Electrometallurgical methods of metal extraction is normally used for those metals (A) Whose oxide/ore is not reduced by carbon (B) Which fall in the category of alkali & alkaline earth metals (C) Which stands higher in the electrochemical series of the metal (D) All (A), (B) & (C)
Last Answer : (D) All (A), (B) & (C)
Description : which. orange juice is a solution that contains citric acid, which gives orange juice an approximate pH of 3.5. Which substance is more acidic than orange juice?
Last Answer : battery acid with a pH of 0.8
Description : What type of soil is good for hydrangeas? Should the soil be more acidic or alkaline?
Last Answer : Need Answer
Description : How to make soil more alkaline for pink hydrangea?
Last Answer : to make soil alkalain put lime from Lowes or Home depo it is in big white bag.
Description : Alkaline soil is also called as
Last Answer : Ans. Solanetz and Black alkali
Description : The pH of soil X is 7.5 while that of soil Y is 4.5. Which of the two soils, should be treated with powdered chalk to adjust its pH? (a) X only (b) Y only (c) Both X and Y (d) None of these
Last Answer : (b) Y only
Description : pH value of soil is maintained at __________ by the addition of fertiliser for optimum growth and health of the plant. (A) 4-5 (B) 7-8 (C) 9-10 (D) 12-13
Last Answer : (B) 7-8
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 : pH value between 6.5-7.5 makes the soil (1) Basic (2) Neutral (3) Acidic (4) None of these
Last Answer : None of these
Description : does veronica prefer a acidic soil or alkaline?
Last Answer : alkaline ph 7.0
Description : Rhododendrom in alkaline soil has brown leaves?
Description : Very alkaline clay soil
Description : Which of the following soil is most suited for tea plantation ? [UP PCS 2002] (a) acidic (b) alkaline (c) alluvial (d) regur
Last Answer : Ans: (a)
Description : Rice varieties suitable for Saline-alkaline soil are
Last Answer : Ans.CSR-10, CSR-13, CSR-27
Description : what kind of soil is treated with gypsum to make it suitable for cropping---? A. Alkaline (Answer) B. Acidic C. Waterlogged D. Soil with excessive clay content
Last Answer : A. Alkaline (Answer)
Description : Which type of soil is found near the canal banks ?(A) Acidic and alkaline (B) Acidic (C) Alkaline (D) None of these
Last Answer : (C) Alkaline
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 : For reclamation of alkaline soil — is used. a. Lime b. Calcium carbonate c. Gypsum d. None of these
Last Answer : c. Gypsum
Description : What kind of soil is treated with gypsum to make it suitable for cropping? (1) Alkaline (2) Acidic (3) Water-logged (4) Soil with excessive clay content
Last Answer : Alkaline
Description : The introduction of T-DNA into plants involves (a) exposing the plants to cold for a brief period (b) allowing the plant roots to stand in water (c) infection of the plant by Agrobacterium tumefaciens (d) altering the pH of the soil, then heat-shocking the plants.
Last Answer : (c) infection of the plant by Agrobacterium tumefaciens
Description : How can you explain that even though you continue to add pure water into a substance even though the resultant pH might differ a little the acidity or alkalinity of substance still remains the same to?
Last Answer : Need answer
Description : The pH scale relates the measure of _______ of a chemical substance. a. ionization b. denaturation c. acidity d. buffering
Last Answer : c. acidity
Description : Active transport of a substance across biological membranes has the following characteristics except: A. It is specific B. It is pH dependent C. It is saturable D. It requires metabolic energy
Last Answer : B. It is pH dependent
Description : With competition fierce will universities and colleges invent a title higher than Ph.D. and journeymen?
Last Answer : Skilled trades are the way to go right now I.M.O. If I had a son or daughter I would not think twice about putting them through a trade school of some kind.