Explanation

• Natural pastures used for grazing livestock are called Rangeland.
• They provide food and habitat for animals like cattle, sheep, and goats.

Additional information:

• Unlike farmland, rangelands are mostly uncultivated and rely on natural vegetation.

Last verified on 22-01-2026

Explanation

• A climate with no or very little rainfall, insufficient to support life, is called a Desert Climate.
• Deserts receive minimal precipitation, usually less than 250 mm per year.
• Temperatures can be extremely high during the day and very low at night.

Last verified on 22-01-2026

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

• Published in 2010.
• She is the daughter of Murtaza Bhutto.
• Covers events from Bhutto family history (1970s–2000s).
• Discusses the assassination of her father in 1996.
• Provides insights into Pakistan’s political turmoil during the Bhutto era.

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

a*b = (a+b) + ab

3_4 = (3+4) + 3×4 = 7 + 12 = 19

2_3 = (2+3) + 2×3 = 5 + 6 = 11

(3_4) - (2_3) = 19 - 11 = 8