Which among the following has highest water potential?
Options
(a) 1 m salt solution (b) 1 m glucose solution (c) distilled water (d) 1 m iodide solution
Correct Answer:
distilled water
Explanation:
Distilled […]
The value of water potential for pure water is
Options
(a) always positive or more than zero (b) always negative or less than zero (c) always zero (d) variable in different solution
Correct […]
In hypertonic solution, the water potential of a cell
Options
(a) decreases (b) increases (c) first increases and then decreases (d) doesn’t change
Correct Answer:
decreases
Explanation:
No explanation available. Be the first to […]
In an alkaline medium, glycine predominantly exists in a
Options
(a) cation (b) anion (c) zwitter ion (d) covalent form
Correct Answer:
anion
Explanation:
In alkaline medium (high pH) amino acids exists as […]
Which one of the following is not true for the hydrolysis of t-butyl bromide with aqueous NaOH
Options
(a) reaction occurs through the SN1 mechanisum (b) The intermediate formed is a carbocation (c) […]
In Ramsay and Rayleigh’s isolation on noble gases from air, the nitrogen of the air is finally converted into
Options
(a) NaNO₂ only (b) NO and NO₂ (c) NaNO₃ only (d) NaNO₂ and […]
Which one of the following does not involve coagulation
Options
(a) Clotting of blood by the use of ferric chloride (b) Formation of delta region (c) Treatment of drinking water by potash alum […]
The activation energy of a reaction at a given temperature is found to be 2.303 RT J mol⁻¹.The ratio of rate constant to the Arrhenius factor is
Options
(a) 0.01 (b) 0.1 (c) 0.02 […]
Which of the following gases has the lowest value of Henry’s law constant
Options
(a) N₂ (b) He (c) H₂ (d) CO₂
Correct Answer:
CO₂
Explanation:
No explanation available. Be the first to […]
In a typical heart, if EDV is 120ml of blood and ESV is 50 ml of blood the stroke volume (SV) is
Options
(a) 120-50=70ml (b) 120+50=70ml (c) 120÷50=6000ml (d) 120÷50=2.4ml
Correct Answer: […]
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