@⇒ Environmental studies ⇒ Teaching & Schooling Multiple Choice Questions / Objective type questions, MCQ's, with question and answers, download free PDF, short cut notes, rapid fire notes, best theory

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Q1.	A simple detritus food chain starts with
A.	green plant [Correct Answer]
B.	wastes of organisms and dead organisms [Wrong Answer]
C.	both of the above [Wrong Answer]
D.	none of these [Wrong Answer]
View Answer 10 -17 Explanation:- Answer : A Discuss it below : Vivekananda sahoo Said on 2023-01-09 04:33:10 Am also agreed with your answer but here there are some questions which have worng answered. Viheno Iralu Said on 2021-08-21 22:01:16 Detritus food chain armtarta with dead organic matter so the correct option should be 'b' Click here for more comments


Q2.	An ecosystem is a region in which
A.	Dead organism interact with their environment [Wrong Answer]
B.	Living organism interact with their environment [Correct Answer]
C.	Living organism do not interact with their environment [Wrong Answer]
D.	All of the above [Wrong Answer]
View Answer 7 -3 Explanation:- Answer : B Discuss it below : Click here for more comments


Q3.	Percentage of nitrogen in earth's atmosphere is
A.	0.12 [Wrong Answer]
B.	0.21 [Wrong Answer]
C.	78% [Correct Answer]
D.	0.98 [Wrong Answer]
View Answer 4 -2 Explanation:- Answer : C Discuss it below : Click here for more comments


Q4.	The Government of India adopted the National Housing and habitat policy in
A.	1995 [Wrong Answer]
B.	1996 [Wrong Answer]
C.	1997 [Wrong Answer]
D.	1998 [Correct Answer]
View Answer 4 -2 Explanation:- Answer : D Discuss it below : Click here for more comments


Q5.	Which of the following is not caused by the use of fertilizers in agriculture?
A.	Eutrophication [Wrong Answer]
B.	Methemoglobinemia [Correct Answer]
C.	Acidification and Salinity of soils [Wrong Answer]
D.	None of these [Wrong Answer]
View Answer 6 -5 Explanation:- Answer : B Discuss it below : Click here for more comments

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