NCERT Solutions for Chapter: Environmental Issues, Exercise 1: MULTIPLE-CHOICE QUESTIONS
NCERT Biology Solutions for Exercise - NCERT Solutions for Chapter: Environmental Issues, Exercise 1: MULTIPLE-CHOICE QUESTIONS
Attempt the practice questions on Chapter 16: Environmental Issues, Exercise 1: MULTIPLE-CHOICE QUESTIONS with hints and solutions to strengthen your understanding. NCERT Exemplar Biology - Class 12 solutions are prepared by Experienced Embibe Experts.
Questions from NCERT Solutions for Chapter: Environmental Issues, Exercise 1: MULTIPLE-CHOICE QUESTIONS with Hints & Solutions
Catalytic converters are fitted into automobiles to reduce the emission of harmful gases. Catalytic converters change unburnt hydrocarbons into
Why is it necessary to remove sulphur from petroleum products?
Which one of the following impurities is easiest to remove from wastewater?
Which one of the following diseases is not caused due to contamination of water?
Nuisance growth of aquatic plants and bloom-forming algae in natural water bodies is generally due to high concentrations of
Algal blooms impart a distinct colour to water due to:
Match the items in column I and column II and choose the correct option.
| Column -I | Column -II |
| A. UV | i. Biomagnification |
| B. Biodegradable Organic Matter | ii. Eutrophication |
| C. DDT | iii. Snow blindness |
| D. Phosphates | iv. BOD |
We know "Three Mile Island and Chernobyl disasters associated with accidental leakage of radioactive wastes." In India, we had Bhopal gas tragedy. It is associated with which of the following?
