Explanation

Explanation

• Pollen grains are microscopic structures located in the Anther.
• It is the pollen-producing part of the Stamen (the male reproductive organ of a flower).

Explanation

Explanation

• The epiglottis is a flap-like structure that covers the larynx (voice box) during swallowing.
• It preventing food and liquids from entering the trachea (windpipe).
• It instead directing them into the esophagus.

Explanation

• The wavelength of a transverse wave is the distance between two adjacent crests or troughs.
• It is a fundamental property of waves.
• It is typically denoted by the symbol λ (lambda).

Explanation

• BCG (Bacille Calmette-Guerin) vaccine is primarily used to protect against Tuberculosis (TB).
• It is typically administered to infants and children in countries with high TB prevalence.

Explanation

Water has maximum density at 4°C.

When Water is in its Solid form (Ice) below 0°C.

Explanation

• DNA (Deoxyribonucleic acid) is made up of a double helix of two complementary strands.
• The double helix structure of DNA was discovered by James Watson and Francis Crick in 1953.

Explanation

A hydrogenation reaction occurs when vegetable oils are converted to fats.

The double bonds of vegetable oils are broken down resulting in a saturated fat i.e. ghee.

Explanation