Explanation

• A climate with long winters and mild short summers is called a Temperate Climate.
• Temperate climates are usually found between the tropics and polar regions.
• They support diverse vegetation and moderate agricultural practices.

Last verified on 22-01-2026

Explanation

• The annual water flow through tubewells in Pakistan is approximately 66 MAF (Million Acre-Feet).
• Tubewells are a major source of groundwater extraction for irrigation.
• Groundwater supports agriculture in Punjab, Sindh, and Balochistan.

Last verified on 22-01-2026

Explanation

• Regulatory control refers to physical and legal methods used to manage insect pests.
• It includes quarantine, inspection, import/export restrictions, and eradication programs.
• Aims to prevent pest introduction and spread rather than directly killing them.

Last verified on 22-01-2026

Explanation

• The Economic Injury Level (EIL) is the lowest pest population that can cause economic damage to crops.
• It is a key concept in Integrated Pest Management (IPM) to determine when pest control is justified.
• Pest control is recommended before reaching EIL to prevent loss.

Last verified on 22-01-2026

Explanation

• Ricinus communis (Castor) belongs to the Euphorbiaceae family.
• It is a tropical perennial plant grown for castor oil, seeds, and industrial uses.
• Members of Euphorbiaceae often have milky latex and diverse flower types.

Additional information:

• Castor oil is used in medicine, cosmetics, and industrial lubricants.
• The plant is also known for toxic compound ricin in seeds if ingested raw.

Last verified on 22-01-2026

Explanation

• Observed average increase per decade: 0.14°F.
• Total increase since late 19th century: ~1.0–1.2°F.
• Arctic regions warm twice as fast as global average.
• 2020s are among the hottest decades recorded.
• Temperature rise contributes to extreme weather events globally.

Last verified on 22-01-2026

Explanation

• Fennel (Foeniculum vulgare) is a perennial plant, meaning it lives for more than two years.
• It grows leaves, flowers, and seeds in multiple seasons once established.
• Widely cultivated for its edible seeds, leaves, and essential oil.

Last verified on 22-01-2026

Explanation

• Melilotus alba (white sweet clover) contains coumarin, a naturally occurring chemical.
• Coumarin can be toxic to livestock if the plant spoils and ferments, leading to sweet clover disease.
• It affects blood clotting and can cause hemorrhages in animals.

Last verified on 22-01-2026

Explanation

• The flag leaf is the uppermost leaf of cereal plants like wheat and rice.
• It plays a crucial role in grain filling by providing energy through photosynthesis.
• The flag leaf contributes most of the carbohydrates for developing grains.

Last verified on 22-01-2026

Explanation

• Most insects are found in tropical regions where the climate is warm and humid.
• Tropical regions provide abundant food, moisture, and vegetation for insects.
• Polar and desert regions have extreme climates unsuitable for most insects.

Last verified on 22-01-2026