Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
1.1k views
in Chemistry by (48.5k points)
retagged by

The questions given below consists of an assertion and the reason. Choose the correct option out of the choices given below each question. 

Assertion (A): If BOD level of water in a reservoir is more than 5 ppm it is highly polluted. 

Reason(R): High biological oxygen demand means high activity of bacteria in water. 

(a) Both (A) and R are correct and (R) is the correct explanation of (A) 

(b) Both (A) and R are correct and (R) is not the correct explanation of (A) 

(c) Both (A) and R are not correct 

(d) (A) is correct but( R) is not correct

Please log in or register to answer this question.

1 Answer

+1 vote
by (50.8k points)

(d) (A) is correct but( R) is not correct

No related questions found

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

...