2451: The chief constituent of gobar gas is:
(a) Hydrogen
(b) Nitrogen
(c) Ethane
(d) Methane
2452: Swaraj Party was founded by:
(a) Motilal Nehru
(b) Jawaharlal Nehru
(c) B.G. Tilak
(d) C. Rajagopalachari
2453: Which one of the following is not a feature of Limited Liability Partnership firm?
(a) Partners should be less than 20
(b) Partnership and management need not be separate
(c) Internal governance may be decided by mutual agreement among partners
(d) It is corporate body with perpetual succession
2454: Assertion (A) :
Mangroves are very specialised forest ecosystems of tropical and subtropical regions bordering certain sea coasts.
Reason (R) :
They stabilise the shoreline and act as bulwark against encroachments by sea.
In the context of the above two statements, which one of the following is correct ?
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not a correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
2455: Which one of the following is present in the largest amount in terms of per cent by mass in the earth's crust ?
(a) Silicon
(b) Oxygen
(c) Carbon
(d) Calcium