Hooghly was used as a base for piracy in the Bay of Bengal by:

Millions of chicken were killed (culled) in West Bengal, Orissa and Maharashtra because they were found to be infected with H5N1 virus the causal organism of Bird Flu.

(b) Hooghly ...

c. uniform width throughout DNA

When doping level in base is increased slightly, (i) collector current decreases slightly and (ii) base current increases slightly

(d) Option (d) is the correct answer.

(c) Base effect is almost an ubiquitous term which says that the previous data affects the calculation of the current data.

The answer is  (C) depressions 

The answer is  (C) Arakan 

(a) Bay of Bengal is the largest bay in the world. It finds a triangle in a shape and its bordered mostly by the eastern coast of India, Southern west...

(c) Tapti does not flow in to the Bay of Bengal. The river rises in the eastern Satpura Range of southern Madhya Pradesh and flows into the Gulf of Cambay...