what kind of soil is treated with gypsum to make it suitable for cropping______
(A) Alkaline
(B) Acidic
(C) Waterlogged
(D) Soil with excessive clay content
Which one is the world's largest mangrove forest(s)
(A) Changa Manga Forest
(B) Â Amazon Forest
(C) Sundarbans Forest
(D) None of the above
What is/are the basic purpose(s) of dams
(A) Storage of water in a large reservoir
(B) Generation of electricity
(C) Control of floods
(D) All of the above
Which one of the following can be synthesized by Liver _______
(A) Vitamin B6
(B) Vitamin B12
(C) Vitamin K
(D) Vitamin E
Which among the following is responsible for producing color of human skin ___
(A) Insulin
(B) Vitamin K
(C) Melanin
(D) DNA
In which part of the eye lies the pigment that decides the colour of the eyes of a person___
(A) Retina
(B) Iris
(C) Cornea
(D) Pupal
By which process copper is refined ____________
(A) Roasting
(B) Oxidation
(C) Zone Refining
(D) Electrolysis