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

Explanation

• The body of a sheep is covered with fleece, which is a mass of soft, dense, and curly fibers.
• Fleece provides insulation and protection to sheep.
• It is sheared and processed to produce wool for textiles.
• Quality of fleece varies by breed and age.
• Important for clothing industry and economic value.

Last verified on 12-02-2026

Explanation

• These vegetables are biennial plants, completing their life cycle in two years.
• First year — vegetative growth (leaves and roots).
• Second year — flowering and seed production.
• Commonly grown for edible roots and leaves.
• Examples: Carrot, Radish, Cabbage, Beet.

Last verified on 12-02-2026

Explanation

Explanation

• Clayey soil has very fine particles and a large surface area.
• It can hold more water.

Additional information:

• Silty — moderate water retention
• Loamy — balanced water retention and drainage
• Sandy — low water retention, drains quickly
• Stony — very low water retention

Last verified on 12-02-2026

Explanation

Explanation

• Urea fertilizer is a nitrogenous fertilizer (CO(NH₂)₂).
• It has a slightly alkaline nature with pH around 8.0.

Additional information:

• Ammonium sulfate — 5.0–6.0 (acidic)
• DAP — 7.0–7.5 (neutral to slightly alkaline)
• MOP — 7.0–8.0 (neutral to slightly alkaline)
• SSP — 5.5–6.5 (slightly acidic)

Last verified on 12-02-2026

Explanation

• Number of linkage groups = number of chromosome pairs (haploid number).
• Maize has 10 pairs (2n = 20) chromosomes.
• Haploid number (n) = 10.

Additional information:

• Wheat (bread) — 21 pairs → 21 groups
• Pea — 7 pairs → 7 groups
• Rice — 12 pairs → 12 groups
• Human — 23 pairs → 23 groups

Last verified on 12-02-2026

Explanation

• DNA contains a pentose sugar called deoxyribose.
• Pentose means the sugar has 5 carbon atoms.
• It forms the backbone of the DNA structure.
• Joined with phosphate and nitrogenous bases.
• Essential for genetic information storage.

Last verified on 12-02-2026