Pollution – A Rising Environmental Problem
Appeared in 9 of the 11 available papers.
Appears in most years
Average per paper it appears in · 78 marks in total
47% of this chapter's 68 questions
18 questions carry a figure — practise drawing them
Question-type distribution
- Short answer32
- Odd one out8
- MCQ7
- Biological term7
- Reasoning7
- Definition3
- Sequencing2
- Differentiate2
Most frequent topics
Showing 25 of 68 matching questions (77.5 marks).
25 questions
Choose the odd one out from the following terms and name the category to which the others belong:
Answer the following questions:

The diagram given below depicts the climate change on planet Earth. The poster reads: "THE CLIMATE IS CHANGING — WHY AREN’T WE?"
Identify the ODD term in each set and name the CATEGORY to which the remaining three belong:
Give the biological reasons for the following statements:
Differentiate between the following pairs on the basis of what is mentioned in the brackets:
Name the following:
Give suitable biological reasons for the following statements:
Identify the ODD term in each set and name the CATEGORY to which the remaining three belong. Example: glucose, starch, cellulose, calcium — Odd term: calcium; Category: the others are different types of carbohydrates.
Study the picture given below (industrial effluent and oil being discharged into a water body, with dead fish visible) and answer the following questions:

Answer the following questions briefly:
Choose the correct answer from each of the four options given below:
- (a)DDT
- (b)Vegetable peel
- (c)Cardboard
- (d)Bark of trees
- (a)Cresol
- (b)Carbolic acid
- (c)Iodine
- (d)Mercurochrome
- (a)Oxygen
- (b)Methane
- (c)Sulphur dioxide
- (d)Nitrogen
Given below is a representation of a type of pollution. Study the picture (factories and vehicles emitting smoke, with a person coughing) and answer the questions: