Environment and Ecology useful questions for UPSC, CSE Exams –
1. In plants, ammonium is often converted to nitrate before it can be used by
the plant. This process is known as–
(A) photosynthesis (B) denitrification
(C) nitrogen fixation (D) nitrification
(Ans : B)
2. The study of interaction between the living species and the environment is
called–
(A) Biology (B) Anthology
(C)