Importance of Water Multiple Choice Questions 21 PDF Download
Learn importance of water MCQs, grade 7 science test 21 for online courses learning and test prep, crops and irrigation multiple choice questions and answers. Crops and irrigation revision test includes science worksheets to learn for 7th grade assessment test.
Science multiple choice questions (MCQ) on water supply through pipelines and tube wells to farm is known as with options hydration, fertilization, irrigation and pollination, crops and irrigation quiz for competitive exam prep, viva interview questions with answers key. Free science study guide to learn crops and irrigation quiz to attempt multiple choice questions based test.
MCQs on Importance of Water Quiz PDF Download Worksheets 21
MCQ. Water supply through pipelines and tube wells to farm is known as
MCQ. Waste water from houses, buildings and other areas is called
- waste water
- aquarium waste
MCQ. Chlorine helps
- to kill bacteria
- in heating water
- in cooling water
- to evaporate water
MCQ. Remains of salt over soil after evaporation of water is known as
- water logging
MCQ. Litters such as plastic bags are harmful for