Science-8

Q1. What is the first step in crop production? a) Irrigation b) Harvesting c) Preparation of soil d) Sowing Answer: c) Preparation of soil Explanation: The preparation of soil, which involves tilling and leveling, is the initial step before growing a crop. It allows the roots to penetrate deep into the soil and ensures nutrient-rich … Read more

Question 1 What is a habitat? a) A type of plant b) A kind of animal c) The natural environment where an organism lives d) A part of the human body Answer: c) The natural environment where an organism lives Explanation: A habitat is the natural environment where an organism lives, which includes both biotic … Read more

Question 1 What causes the production of sound in various musical instruments? a) Electrical energy b) Mechanical vibrations c) Chemical reactions d) Light energy Answer: b) Mechanical vibrations Explanation: Sound in musical instruments is produced by mechanical vibrations. For instance, when a guitar string is plucked, it vibrates and creates sound. Question 2 In human … Read more