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

Explanation

• Gene Definition: Basic physical and functional unit of heredity
• Location: Found on chromosomes within DNA
• Function: Codes for proteins or RNA molecules that determine traits
• Types: Structural genes (proteins), regulatory genes (control expression)
• Inheritance: Passed from parents to offspring during reproduction

Last verified on 05-02-2026

Explanation

• Transpiration is the process by which plants lose water vapor through their leaves.
• Water mainly escapes through tiny pores called stomata present on the leaves.
• Transpiration helps in the movement of water and minerals from roots to other parts of the plant.
• It also helps in cooling the plant.

Additional information:

• Absorption → Taking in water and minerals
• Respiration → Releasing energy from food
• Photosynthesis → Preparation of food

Last verified on 05-10-2026