Which one of the following statements is not correct?
Which one of the following statements is not correct?
(1) The value of equilibrium constant is changed in the presence of a catalyst in the reaction at equilibrium
(2) Enzymes catalyse mainly bio-chemical reactions
(3) Coenzymes increase the catalytic activity of enzyme
(4) Catalyst does not initiate any reaction
10 Answers
(1) A catalyst speeds up both forward and backward reaction with the same rate. So, equilibrium constant is not affected by the presence of a catalyst at any given temperature.
(c) The velocity of sound in air decreases as the humidity increases.
The velocity of sound in air increases as the humidity increases.
Correct option : (d) The relative loss of energy due to respiration decreases with higher trophic levels.
Explanation:
As we go higher in the trophic levels through the food chain, the loss of energy due to respiration as well as metabolic activities successively increase. So, there occurs the transference of only 10% of the preceding trophic level to the next higher trophic level.
(a) Rourkela Steel Plant, the first integrated steel plant in the Public Sector of India was set up with the Soviet Union collaboration.
(a) In Lok Sabha, a no-confidence motion has to set out the grounds on which it is based
(b) In case of difference of opinion amongst the Chief Election Commissioner and other 'Election Commissioners, the matter is decided by the Law Commission.