Explanation

• The collective term for all the petals of a flower is called the Corolla.
• The corolla is usually brightly colored to attract pollinators such as insects and birds.
• It is the second whorl of a flower, located inside the calyx.
• Petals help in the process of pollination.

Additional information:

• Calyx → Collective term for sepals
• Androecium → Male reproductive part (Stamens)
• Gynoecium (Pistil) → Female reproductive part (Carpels)

Last verified on 10-07-2026

Explanation

• Pineapple is also known as "Ananas".
• Scientific Name: Ananas comosus
• Plant Family: Bromeliaceae
• Type: Tropical fruit

Last verified on 09-07-2026

Explanation

• Sucrase (Invertase) hydrolyzes sucrose into glucose and fructose.
• Sucrase is a digestive enzyme found in the small intestine.
• It breaks the glycosidic bond of sucrose by adding water (hydrolysis).
• The products are one molecule of glucose and one molecule of fructose.
• These simple sugars are then absorbed into the bloodstream.

Last verified on 09-07-2026

Explanation

• 760 torr = 101,325 Pa
• 760 torr = 1 atm
• 760 torr = 760 mmHg
• SI Unit of Pressure: Pascal (Pa)

Last verified on 09-07-2026

Explanation

• A Barometer is an instrument used to measure air (atmospheric) pressure.
• It helps in weather forecasting by measuring changes in atmospheric pressure.
• The mercury barometer is the oldest type of barometer.
• It was invented by Evangelista Torricelli in 1643.
• Barometers are widely used in meteorology and aviation.

Last verified on 09-07-2026