Students should refer to Worksheets Class 11 Chemistry Environmental Chemistry Chapter 14 provided below with important questions and answers. These important questions with solutions for Chapter 14 Environmental Chemistry have been prepared by expert teachers for Class 11 Chemistry based on the expected pattern of questions in the class 11 exams. We have provided Worksheets for Class 11 Chemistry for all chapters on our website. You should carefully learn all the important examinations questions provided below as they will help you to get better marks in your class tests and exams.
Environmental Chemistry Worksheets Class 11 Chemistry
Question. The birds lay eggs with shells that are much thinner than normal is an example of _________
(a) Bioaccumulation
(b) Mutation
(c) DNA sequence
(d) Mal nutrients
Answer
A
Question. One of the following is the chief source of water and soil pollution
(a) Agro industry
(b) Mining
(c) Thermal power stations
(d) All of these
Answer
C
Question. Which is most harmful for life on globe?
(a) Deforestation
(b) Soil Erosion
(c) Increasing Desert
(d) Nuclear Fallout
Answer
D
Question. Excess nitrate in drinking water can cause
(a) methemoglobinemia
(b) kidney damage
(c) liver damage
(d) laxative effect
Answer
A
Question. The substance having the largest concentration in acid rain?
(a) H2CO3
(b) HNO3
(c) HCl
(d) H2SO4
Answer
D
Question. Why thermal pollution causing the release of hot water by power plants is dangerous?
(a) They increase the solubility of oxygen
(b) They decrease the solubility of oxygen
(c) They dont dissolve oxygen
(d) They dissolve nitrogen
Answer
B
Question. In which of the following regions hydrogen and helium are found
(a) Stratosphere
(b) Mesosphere
(c) Exosphere
(d) Troposphere
Answer
C
Question. Which of the following is most abundant hydrocarbon pollutant?
(a) Butane
(b) Ethane
(c) Methane
(d) Propane
Answer
C
Question. The non-viable particulate among the following is
(a) Dust
(b) Bacteria
(c) Moulds
(d) Fungi
Answer
A
Question. Which of the following organisms found in human waste that cause water pollution?
(a) Coliform bacteria
(b) Coliform bacteria
(c) Protozoa
(d) Parasitic worms
Answer
A
