White patches form on shirts around the armpits due to the buildup of sweat and deodorant. Sweat contains salts and proteins that can leave residues, which, combined with deodorants, create these white stains on clothing, especially in hot weather.
Category: Class 6 Science
NCERT Solutions and Important Questions for class 6 Science for CBSE exams 2020-2021.
Discussion Forum Latest Questions
Yes, plants respire. They take in oxygen and release carbon dioxide, just like animals, through a process called respiration. This occurs in all parts of the plant, including roots, stems, and leaves, and is essential for energy production.
Yes, breathing in animals like dogs, cats, cows, and buffaloes involves noticeable processes. They inhale and exhale air through their noses or mouths, with visible movements of their chest or abdomen. Breathing patterns vary by species but are essential for ...
For seed germination, water and air are essential, while sunlight is not always necessary. Seeds need water to activate growth processes and oxygen from the air for respiration. Sunlight is crucial for some seeds but not all; it depends on ...
Seed germination is affected by conditions such as temperature, moisture, light, and soil quality. Adequate warmth promotes germination, while proper moisture levels are crucial. Light requirements vary by seed type, and well-drained, nutrient-rich soil supports healthy seedling growth.