Explanation

• Gymnosperms are plants whose seeds are not enclosed inside an ovary or fruit.
• The word gymnosperm means “naked seed.”
• Examples include pine, cycas, and fir.
• Their seeds are often borne on the scales of cones.

Last verified on 16-10-2026

Explanation

• Chloroplast contains chlorophyll.
• It is the site where photosynthesis takes place in plant cells.
• It converts light energy into chemical energy (glucose) using carbon dioxide and water.

Last verified on 16-10-2026

Explanation

• Leaves are called the food factory of plants.
• They prepare food through the process of Photosynthesis.
• Chlorophyll in leaves absorbs sunlight to make food.
• Photosynthesis uses Carbon dioxide (CO₂), Water (H₂O), and Sunlight.
• Food produced is mainly Glucose, which provides energy to the plant.

Last verified on 13-03-2026

Explanation

• Mycology is the branch of biology that studies fungi (fungus).
• It covers the structure, classification, growth, reproduction, and importance of fungi.
• Fungi include mushrooms, yeasts, and molds.

Additional information:

• Entomology → Insects
• Mineralogy → Minerals
• Acoustics → Sound

Last verified on 06-10-2026

Explanation

• Vitamin D increases calcium absorption from the small intestine and helps maintain healthy bones and teeth.
• Vitamin D deficiency can cause rickets in children and osteomalacia in adults.
• The body produces vitamin D in the skin when exposed to sunlight.
• It is also obtained from foods such as oily fish and fortified milk.

Last verified on 15-10-2026