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
1.8k views
in Environmental Science by (72.1k points)

Consider the following statements:

Assertion (A): Use of weedicides affect photosynthetic ability of plants. 

Reason (R): Weedicides are metabolic inhibitors.

Codes: 

(a) Both A and R are true, R is correct explanation of A. 

(b) Both A and R are true, but R is not the correct explanation of A. 

(c) A is true, R is false. 

(d) A is false, R is true.

1 Answer

+1 vote
by (54.5k points)
selected by
 
Best answer

Correct option: (a) Both A and R are true, R is correct explanation of A.

Explanation:

Both A and R are true and R is correct explanation of A. The weedicides and herbicides are metabolic inhibitors, inhibiting the metabolic pathways as well as photosynthesis. Some weedicides also cause phloem cells’ proliferation so as to block the transport of plants’ food materials.

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.

Categories

...