Every Drop Counts
17 solved questions from Class 5 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 'Every Drop Counts'? medium MCQ Key Concept & Definition
- 2 Which of the following is an important application or observation related to 'Every Drop Counts'? easy MCQ Practical Application
- 3 What primary question does the chapter 'Every Drop Counts' aim to answer? medium MCQ Core Scientific Inquiry
- 4 Why is the study of 'Every Drop Counts' essential for students in class-5? hard MCQ Importance & Significance
- 5 Which key practice is recommended while studying topics in 'Every Drop Counts'? medium MCQ Scientific Method
- 6 What is the primary topic or theoretical principle explored in 'Every Drop Counts' (Class 5 EVS)? medium MCQ Chapter Core Principle
- 7 Which key mechanism or analytical rule is highlighted in 'Every Drop Counts'? medium MCQ Key Analytical Mechanism
- 8 A village uses 500 liters of water per day for irrigation. If the village area increases by 20% and water requirement rises proportionally, how many liters per day will the village need after expansion? hard 3 marks Water demand calculation
- 9 Which process in the water cycle turns liquid water into vapor that rises into the sky? easy MCQ 1 mark Water cycle basics
- 10 A lake has a surface area of 12 km². If it loses 5 mm of water due to evaporation in one day, how many liters of water are lost in that day? hard 4 marks Volume calculation from area and depth
- 11 Which of the following processes in the water cycle turns liquid water into vapor that rises into the sky? easy MCQ 1 mark Water cycle process
- 12 The school uses 300 liters of water per day for cleaning. If the school reduces its water usage by 20%, how many liters will be used after the reduction? easy 1 mark Percentage reduction of water usage
- 13 A family uses a washing machine that consumes 45 liters of water per wash. They wash clothes 4 times a week. How many liters of water does the family use for washing clothes in 4 weeks? medium 3 marks Weekly and monthly water usage calculation
- 14 A pond of length 40 m and breadth 25 m loses 6 mm of water from its surface in one day due to evaporation. How many litres of water are lost that day? medium 2 marks Evaporation volume from area and depth
- 15 A 1 km long river segment that is 15 m wide loses 0.8 m of depth due to evaporation each day. What is the volume of water lost in litres per day? hard 3 marks River volume loss calculation
- 16 A kitchen tap is left running for 12 minutes. If the tap discharges water at a rate of 1.5 litres per minute, how many litres of water are wasted? easy 1 mark Calculating volume from rate and time
- 17 A family uses a washing machine that consumes 75 litres of water per wash. They wash clothes 5 times a week. If they decide to reduce water per wash by 20% by using a low‑water setting, what will be the total water consumption in a month (4 weeks) before and after the reduction, and what is the total water saved? hard 3 marks Water savings from reduced usage