6 Questions
Which of the following is a non-metallic element essential for living organisms?
Oxygen
What is the process of conversion of water into its vapor called?
Evaporation
What is the unit of measurement for electric current?
Amperes
What is the primary purpose of crop rotation in agriculture?
To improve soil fertility and structure
Why is it important to remove weeds from the crop fields?
Weeds compete with crops for nutrients, water, and sunlight
Which of the following is an example of organic manure?
Compost
Study Notes
Essential Elements
- Oxygen is a non-metallic element essential for living organisms.
Water Cycle
- Evaporation is the process of conversion of water into its vapor.
Electricity
- Ampere (A) is the unit of measurement for electric current.
Crop Rotation
- The primary purpose of crop rotation in agriculture is to maintain soil fertility and reduce pests and diseases.
Weed Management
- Removing weeds from crop fields is important to prevent competition for water, nutrients, and light, and to reduce the risk of pests and diseases.
Organic Manure
- Compost is an example of organic manure.
Test your knowledge of science with this quiz on Class 8 science chapter 1. Explore questions on electric current measurement units, essential non-metallic elements for living organisms, and the process of water turning into vapor. Challenge yourself and expand your understanding of these fundamental scientific concepts.
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