RBI Grade B 25 Aug 2013

In the following passage there are blanks, each of which has been numbered. These numbers are printed below the passage and against each five words/phrases are suggested, one of which fits the blank appropriately. Find out the appropriate word/ phrase in each case, Marine life (1) along the coast and in the ocean results from harmful fishing practices such as trawling or dynamite fishing; poor land use practices in agricultural. (2) development and forestry sectors; and the human activities such as mining and anchoring. Destroyed habitats include sea grasses. marshes, corals and mangroves - all of which are important nurseries for fish and critical for buffering coasts from storm damage. Damaging habitat can lead to increased (3) and sedimentation, increased impact from storms, fewer (4) grounds and fewer places for animals and plants to live. Destructive fishing, land-based sedimentation, dredging, marine recreation, typhoons and storms, poor agricultural practices, and coastal development and land (5) increasingly (6) and devastate productive marine habitats. One major ecological impact derives from increased sediment loads in coastal waters from activities such as logging. Sedimentation, which produces turbidity and limits the (7) of sunlight (8) primary and secondary producers- thus altering food web dynamics. The smothering of coral reefs by sediment also (9) fish and produces ecosystem changes. Chemicals in sediments, such as DDT or heavy metals, may bio accumulate in marine life as well. Oil spilling is also major problem for the destruction
of the (10) life.

Rearrange the following six sentences (A), (B), (C), (D), (E) and (F) in the proper sequence to form a meaningful paragraph; then answer the questions given below them.
(A) Development of drought resistance could benefit large numbers of farmers,
(B) Hence the human race has no choice but to adapt to these impacts.
(C) India has to be concerned about climatic changes.
(D) This impact can run into decades and centuries.
(E) Environment day is thus an important occasion to assess the past arid our future.
(F) Since there is a possibility of adverse impact on agriculture which could deter growth.