fish channel fish net fish ladder fish pond
Answer Discuss in Comment
core wall diaphragm wall pug wall all of the above
a flared wall flank wall wing wall both (b) and (c)
straight parabolic cycloidal none of the above
natural fall notch fall gravity fall none of the above
a parabolic glacis is used a straight glacis is used a cycloidal giacis is used no glacis is used
zero negative positive difficult to tell
low discharges and low drops high discharges and high drops low discharges and large drops high discharges and low drops
not growing any crop during alternate year growing simultaneously two different crops in alternate rows growing different Crops in successive seasons none of the above
negative very high moderately high atmospheric
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