Polyribosomes are aggregates of
Options
(a) ribosomes and RNA (b) only RNA (c) peroxisomes (d) several ribosomes held together
Correct Answer:
several ribosomes held together
Explanation:
No explanation available. Be the first to […]
For the cell reaction Cu²⁺ (C₁.aq) + Zn(s) = Zn²⁺(C₂.aq ) + Cu(s) of an electrochemical cell, the change in free Energy (ΔG) at a given temperature is a function of
Options
(a) ln […]
One mole of an ideal gas at 300 K is expanded isothermally from an initial volum of 1 litre to 10 litres .The ΔE for this process is
Options
(a) 138.1 cal (b) zero […]
Which of the following pairs of substance on reaction will not evolve H₂ gas
Options
(a) Copper and HCl (aqueous) (b) Iron and steam (c) Iron and H₂SO₄ (aqueous) (d) Sodium and ethyl […]
Repeated use of which one of the following fertilizers would increase the acidity of the soil
Options
(a) Ammonium sulphate (b) Superphosphate of lime (c) Urea (d) Potassium nitrate
Correct Answer:
Ammonium sulphate
Explanation: […]
In crystals of which one of the following ionic compounds would you expect maximum distance between centres of cations and anions
Options
(a) CsI (b) CsF (c) LiF (d) LiI
Correct Answer:
CsI
Glucose molecule reacts with X number of molecules of phenylhydrazine to yield osazone.The value of X is
Options
(a) two (b) one (c) four (d) three
Correct Answer:
three
Explanation:
No explanation available. […]
Which one of the following elements constitutes a major impurity in pig iron
Options
(a) Sulphur (b) Oxygen (c) Silicon (d) Carbon
Correct Answer:
Carbon
Explanation:
No explanation available. Be the first to […]
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