Explanation

• Apple is a deciduous fruit tree. 
• It sheds its leaves during autumn as it enters winter dormancy.
• Other examples include pear, peach, and plum trees.

Last verified on 16-10-2026

Explanation

• Iron (Fe) is an immobile or poorly mobile nutrient in plants.
• Its deficiency commonly causes interveinal chlorosis (yellowing between the veins) in young leaves.

Additional information:

• Iron is a micronutrient required for chlorophyll formation and several plant enzyme processes.
• Iron deficiency is common in calcareous soils, where high soil pH reduces iron availability.

Last verified on 16-10-2026

Explanation

• Potato (Solanum tuberosum) belongs to the Solanaceae family.
• It is commonly known as the nightshade family.
• This family includes tomato, eggplant (brinjal), chilli, and tobacco.
• The edible part of the potato is a modified underground stem called a tuber.

Additional information:

• Fabaceae: Pea, bean, and lentil family.
• Poaceae: Grass family, including wheat, rice, and maize.

Last verified on 16-10-2026

Explanation

• Aerobic decomposition: Microorganisms decompose organic matter in the presence of oxygen.
• It generally occurs faster and produces carbon dioxide, water, and other products.
• Anaerobic decomposition: Microorganisms break down organic matter in the absence of oxygen.
• It can produce methane, carbon dioxide, and other compounds.
• Both processes are important in composting, sewage treatment, and organic-waste management.

Last verified on 16-10-2026

Explanation

• Biodegradable waste is waste that microorganisms, such as bacteria and fungi, can break down naturally.
• Vegetable waste from farms, including leaves, stems, and spoiled vegetables, decomposes naturally.

Last verified on 16-10-2026