Explanation

• Oxytocin is the primary hormone responsible for causing the labor pain
• It is often referred to as the "love hormone" or "cuddle chemical,"

Last updated by NA on 22-April-2026

Explanation

• The Earth’s atmosphere is divided into different layers (Troposphere, Mesosphere, and Exosphere).
• Hydrosphere refers to all water bodies on Earth.
• Therefore, Hydrosphere is not part of the atmosphere.

Additional information:

• Troposphere: 0–12 km (weather layer)
• Stratosphere: 12–50 km
• Mesosphere: 50–85 km
• Thermosphere: 85–600 km
• Exosphere: 600 km and above

Last verified on 21-04-2026

Explanation

• Name: Vitamin B-2 (Riboflavin)
• Food sources: Milk, Eggs, Organ meats, Green vegetables, Cereals
• Deficiency causes: Skin problems, sore throat, eye irritation
• Role: Energy production (metabolism)
• Solubility: Water-soluble vitamin

Last verified on 21-04-2026

Explanation

• A barometer measures atmospheric (air) pressure.
• It helps in weather forecasting, detecting storms, and studying climate changes.
• Two common types of barometers: mercury barometer and aneroid barometer.

Last verified on 13-03-2026

Explanation

• A new predator increases predation pressure on prey.
• This leads to a decrease in prey population.
• More prey get hunted and fewer survive.
• Ecosystem balance may temporarily change.
• So, prey population is most directly affected.

Last verified on 12-04-2026