Soil and Crops — Advanced
Science · Grade 8 · Week 37 · 25 questions
Agriculture sustains human civilisation by producing the food we eat. Understanding crop production, soil management, and modern farming practices is essential for food security.
What you'll practise
- Describe methods of crop production
- Understand irrigation and soil management
- Explain crop protection methods
- Identify factors affecting agricultural productivity
All 25 questions in this Soil and Crops — Advanced quiz
Grade 8 Science — Soil and Crops — Advanced: 25 practice questions with instant scoring and explanations.
- Soil profile consists of:
- The O-horizon of soil contains:
- The A-horizon of soil is:
- Main soil types are:
- Sandy soil has:
- Clay soil is characterized by:
- Loamy soil is considered ideal for agriculture because it:
- Soil erosion is the loss of soil due to:
- Methods to prevent soil erosion include:
- Crop rotation is the practice of:
- The advantage of crop rotation is:
- Organic farming avoids the use of:
- Manure is:
- Fertiliser differs from manure in that it is:
- The Green Revolution primarily aimed at:
- High-yielding varieties (HYV) of crops produce:
- Humus in soil provides:
- Soil pH affects:
- Nitrogen fixation by soil bacteria is important because:
- Terrace farming is used to:
- Contour ploughing follows:
- Pesticides and fertilisers can cause:
- Sustainable agriculture practices include:
- Microorganisms in soil are important for:
- Waterlogging in soil occurs due to:
Question 1 of 250 correct so far