The pH optima for lactase is (A) 1.0-2.0 (B) 5.4–6.0 (C) 5.0–7.0 (D) 5.8–6.2

The pH optima for lactase is (A) 1.0-2.0 (B) 5.4–6.0 (C) 5.0–7.0 (D) 5.8–6.2
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The average pH of Urine is (A) 7.0 (B) 6.0 (C) 8.0 (D) 0.0

Description : The average pH of Urine is (A) 7.0 (B) 6.0 (C) 8.0 (D) 0.0

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When the net charge on an amino acid is zero, the pH is maintained as? (A) 4.5 (B) 11.2 (C) 7.0 (D) 9.1

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The normal pH of the blood is (A) 7.0 (B) 7.1 (C) 7.2 (D) 7.4

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Which one of the following statements concerning glutamine is correct? (A) Contains three tetratable groups (B) Is classified as an acidic amino acid (C) Contains an amide group (D) Migrates to the cathode during electrophoresis at pH 7.0

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The pH of human blood is between – (1) 6.5-7 (2) 7.5-8 (3) 8-9 (4) 4.5-5

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Yield of carrot is maximum at pH: a. 6.5 b. 7.5 c. 8.5 d. Below 6.5

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Last Answer : 6.5

Nitrates are absorbed at pH below ___________: a. 5 b. 6 c. 7 d. 8

Description : Nitrates are absorbed at pH below ___________: a. 5 b. 6 c. 7 d. 8

Last Answer : 5

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

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PH value of drinking water as per wh0 standards should lie between a)5 and 5.5 b)6 and 7 c) 7 and 7.5 d)7 and 8.5*

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The pH of human blood is between : (1) 6.5-7 (2) 7.5-8 (3) 8-9 (4) 4.5-5

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Since the pK values for aspartic acid are 2.0, 3.9 and 10.0, it follows that the isoelectric (pH) is (A) 3.0 (B) 3.9 (C) 5.9 (D) 6.0

Description : Since the pK values for aspartic acid are 2.0, 3.9 and 10.0, it follows that the isoelectric (pH) is (A) 3.0 (B) 3.9 (C) 5.9 (D) 6.0

Last Answer : Answer : A

Since the pK values for aspartic acid are 2.0, 3.9 and 10.0, it follows that the isoelectric (pH) is (A) 3.0 (B) 3.9 (C) 5.9 (D) 6.0

Description : Since the pK values for aspartic acid are 2.0, 3.9 and 10.0, it follows that the isoelectric (pH) is (A) 3.0 (B) 3.9 (C) 5.9 (D) 6.0

Last Answer : (A) 3.0

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Description : If a solution turns blue litmus red, its pH is likely to be : (1) 7 (2) 8 (3) 9 (4) 6

Last Answer : (4) 6 Explanation: An acidic solution turns blue litmus red. On the pH scale, acids have values less than 7, whereas bases have values greater than 7. Solutions with pH equal to 7 are neutral in nature. Therefore the pH of the given solution is likely to be 6.

The pH value of oxidised sewage is about (A) 1.8 (B) 6.2 (C) 7.3 (D) 13.4

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Last Answer : (C) 7.3