Explanation

• Scurvy Cause: Vitamin C (ascorbic acid) deficiency. 
• Symptoms: Fatigue, weak and sore limbs, bleeding gums, easy bruising, delayed wound healing, and anemia. 

Additional information:

• Rickets: Caused by a deficiency in Vitamin D.
• Beriberi: Caused by a deficiency in Vitamin B1 (Thiamine).
• Night Blindness: Caused by a deficiency in Vitamin A.

Last verified on 09-10-2026

Explanation

• Famous field: Medicine
• His famous medical work Kitab al-Hawi (The Comprehensive Book of Medicine) was widely influential.
• He also wrote an important treatise distinguishing smallpox and measles.

Additional information:

• Full name: Abu Bakr Muhammad ibn Zakariya al-Razi
• Born: c. 865 CE, Rayy, Persia
• Died: c. 925 CE

Last verified on 08-10-2026

Explanation

• Vitamin K helps to make various proteins that are needed for blood clotting and the building of bones.
• Prothrombin is a vitamin K-dependent protein directly involved with blood clotting.

• Vitamin C may protect the body against the effects of pollution.
• It may also prevent blood clots and reduce bruising.

Last verified on 31-03-2026

Explanation

• Afforestation is the process of planting trees in an area where there were no previous forests.
• It helps in combating climate change, preventing soil erosion, and improving biodiversity.

Last verified on 07-10-2026

Explanation

• Flowers are the reproductive structures of plants.
• It is responsible for producing seeds and facilitating sexual reproduction.
• They contain the male and female reproductive organs.
• They are essential for the production of fruits and seeds.

Last verified on 18-03-2026