Explanation

Explanation

World Water Day is observed every year on 22 March.

Additional information:

• First Observed: 22 March 1993
• Organized by: United Nations (UN)
• Theme 2021: 'Valuing Water'
• Theme 2022: "Groundwater, making the invisible visible".
• Theme 2023: Accelerating Change
• Theme 2024: Leveraging Water for Peace
• Theme 2025: Glacier Preservation
• Theme 2026: Water and Gender: Where water flows, equality grows 

Explanation

• Chlorophyll is the green pigment responsible for photosynthesis in plants.
• It captures sunlight and converts it into chemical energy to make food.

• Plants use chlorophyll to produce glucose and oxygen through photosynthesis.
• Chloroplasts contain chlorophyll a and b, which absorb sunlight.

Last verified on 22-01-2026

Explanation

• In MS-Word 2016, a subscript is a number or letter written slightly below the normal text.
• Commonly used in chemical formulas, mathematical expressions, and scientific writing.
• Example: H₂O → the “2” is a subscript.

Additional information:

• Superscript: Written above the normal text (e.g., x²)

Last verified on 19-01-2026

Explanation

• The genetic material (DNA) of an organism can undergo changes called mutations due to environmental factors.
• Examples of environmental factors: radiation, chemicals, UV light.
• Such changes can lead to variation in traits and sometimes evolution.

Last verified on 11-02-2026

Explanation

• Sheet erosion is the uniform removal of a thin layer of topsoil from a large area.
• Common on sloping lands due to rainfall or irrigation runoff.
• Leads to loss of fertile soil and reduced crop productivity.

Last verified on 12-02-2026

Explanation

• GDP (Gross Domestic Product) measures the total value of all goods and services produced within a country in a year.
• Does not include income from abroad.
• Used to assess economic performance and growth.
• Expressed in monetary terms (currency).
• Helps in policy-making and comparing economies.

Last verified on 12-02-2026

Explanation

• Bacteria reproduce asexually mainly by binary fission, where one cell splits into two identical cells.
• This is a rapid process, allowing bacteria to multiply quickly under favorable conditions.

Last verified on 12-02-2026

Explanation

• Parturition is the process by which animals give birth to young ones.
• Marks the end of pregnancy in mammals.
• Triggered by hormonal changes in the mother.
• Ensures continuation of species.
• Observed in cows, sheep, goats, humans, and other mammals.

Last verified on 12-02-2026

Explanation

• The term Bovine refers to cattle, including cows and bulls.
• Belongs to the family Bovidae in the animal kingdom.
• Includes domesticated species used for milk, meat, and labor.

Last verified on 12-02-2026