Nandita in Mumbai
19 solved questions from Class 4 EVS, each with the full working. Tap any question to see the step-by-step solution.
- 1 What is the fundamental scientific concept introduced in the chapter 'Nandita in Mumbai'? medium MCQ Key Concept & Definition
- 2 Which of the following is an important application or observation related to 'Nandita in Mumbai'? easy MCQ Practical Application
- 3 What primary question does the chapter 'Nandita in Mumbai' aim to answer? medium MCQ Core Scientific Inquiry
- 4 Why is the study of 'Nandita in Mumbai' essential for students in class-4? hard MCQ Importance & Significance
- 5 Which key practice is recommended while studying topics in 'Nandita in Mumbai'? medium MCQ Scientific Method
- 6 What is the primary topic or theoretical principle explored in 'Nandita in Mumbai' (Class 4 EVS)? medium MCQ Chapter Core Principle
- 7 Which key mechanism or analytical rule is highlighted in 'Nandita in Mumbai'? medium MCQ Key Analytical Mechanism
- 8 If each household in Mumbai uses 120 liters of water per day on average, how many liters will 50 households use in one day? easy MCQ 1 mark Water consumption calculation
- 9 A new public park in Mumbai covers an area of 2500 square meters. If the park planners want to plant 30 trees per 100 square meters to ensure adequate shade, how many trees should they plant in total? hard 3 marks Tree density calculation
- 10 A small community of 30 houses each uses 110 litres of water per day. How many litres will be used by the community in one day? medium 2 marks Community water usage calculation
- 11 A park covers 4000 square metres. If planners want 20 trees per 100 square metres, how many trees are needed? hard MCQ 3 marks Tree density planning
- 12 The average daily vehicular pollution level in Mumbai is 150 units. If a traffic rule reduces the number of vehicles by 25%, how many units does the pollution level reduce? hard MCQ 3 marks Calculating percentage reduction
- 13 If Nandita saves 12 litres of water daily by turning off the tap, how many litres does she save in a week? easy 1 mark Water saving calculation
- 14 If Mumbai’s average daily vehicular pollution level is 200 units and a traffic rule reduces the number of vehicles by 30%, how many units will be reduced? hard 3 marks Air pollution reduction
- 15 If Nandita's household uses 80 litres of water each day, how many litres will they use in 7 days? easy 1 mark Water conservation
- 16 A community of 45 houses each uses 100 litres of water per day. If a water‑saving campaign reduces usage by 15% per house, how many litres will the community use in one day after the campaign? hard MCQ 4 marks Water usage calculation
- 17 If Nandita’s family uses 70 litres of water each day, how many litres will they use in 5 days? easy 1 mark Calculating total water usage
- 18 If a park covers 3500 square metres and planners want 25 trees per 100 square metres, how many trees are needed? medium 2 marks Tree density planning
- 19 In Mumbai, a traffic rule reduces the number of vehicles by 20%. If the daily pollution level is 180 units, how many units will be reduced? medium MCQ 2 marks Percentage reduction of pollution