4586: The density of sea water is highest as:
(a) Depth increases and salinity increases
(b) Depth decreases and salinity increases
(c) Depth increases and salinity decreases
(d) Depth decreases and salinity decreases
4587: Assertion (A) :
In human beings, the females play a major role in determining the sex of the offspring.
Reason (R) :
Women have two - X chromosomes.
(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
4588: 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
4589: Real owners of the company are:
(a) Debenture holders
(b) Directors of the company
(c) Equity shareholders
(d) Bearer bond holders
4590: Which of the following Five-Year Plans was terminated one year before its completion?
(a) Second
(b) Third
(c) Fourth
(d) Fifth