Fish Production

Match column I with column II and select the correct option from the codes given below. {:(,"Column I",,"Column II"),(A.,"Green revolution",(i),"Milk production"),(B.,"Pisciculture",(ii),"Crop plants"),(C.,"White revolution",(iii),"Fish production"),(D.,"Blue revolution",(iv),"Rearing of fishes"):}

The production and management of fish is called

'Blue revolution' refers to (A) construction of water dams for conservation of water (B) production of fish in large quantities (C) sewage treatment (D) controlling algal bloom

Identify the type of fish farming which increases the productivity but lacks in pure fish seeding for culture. Also mention its merits.

Fishes are

Statements:- Some cows are deer Some deer are fish Conclusions:- I. Some cows are fish. II. Some fish are cows.