Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) People Development & Environment Basics of Environment Environment
Which of the following statements is/are colrect?
(A) The BOD (Biological Oxygen Demand) of sewage water is very high
(B) The aerobic organisms rapidly increase in sewage water due to low content of dissolved oxygen
(C) Ecology is the study of interrelationship between the organisms and their physical environment
(D) Parasites are those organisms, which do not depend on other living organisms for their food
Choose the correct answer from the options given below:
1
(A) only
2
(C) only
3
(A) and (C) only
4
(B) and (D) only