Explanation

Ascorbic acid, also known as vitamin C, is a water-soluble vitamin that is essential for various bodily functions, such as:

• Collagen production
• Wound healing
• Iron absorption
• Antioxidant functions

Vitamin C is one of the most well-known vitamins and is found in many fruits, vegetables, and other foods.

Explanation

Magnetic flux linked (Φ) is proportional to the number of turns in the coil.

Doubling the number of turns doubles the total flux linked, assuming the magnetic field and area remain the same.

Explanation

Karl Landsteiner discovered ABO blood group system.

He was an Austrian scientist.

Karl Landsteiner received Noble Prize in 1930

Blood Group System was discovered in 1900.

Explanation

An electric generator works on the principle of electromagnetic induction.

Faraday's law states that a changing magnetic flux induces an emf, which is the working principle of generators.

Explanation

Alzheimer's disease is a disease that affects the brain and nervous system.

It happens when nerve cells in the brain die.

ND12_8_2023

Explanation

Weight is a vector quantity because it has both magnitude (amount of force) and direction (downward, towards the center of the Earth).

Explanation

• Atoms of the same element with different numbers of neutrons are called isotopes.
• Atoms of the same element have the same number of protons and electrons but different numbers of neutrons.

Explanation

The force is acting along the y-axis only, so it has no component along the z-axis.

Answer: 0 N

Explanation

Carbon has 4 electrons in its outer shell.

It forms 4 covalent bonds, making it tetravalent (valency = 4).

Explanation

The process in which numbers are assigned to a person's performance is called Measurement

 Measurement refers to the act of assigning numerical values to specific traits or characteristics of an individual, based on a defined set of rules or criteria.