Explanation

This wire is called a filament.

The filament is the part of the light bulb that produces light.

Filaments in incandescent light bulbs are made of tungsten

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FIA VU CONSTABLE PAST PAPER 2021

Explanation

Milk is a mixture, not a compound — it contains water, fats, proteins, etc., physically combined.

Chalk (CaCO₃), Ammonia (NH₃), and Table Salt (NaCl) are pure compounds with fixed chemical formulas.

Explanation

In human IgG1 the two heavy chains are linked by two proximal disulfide bridges in a portion of the molecule

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Explanation

Sugar is the most soluble chemical in water.

Sugar is made from sucrose.

Explanation

Answer:

Fluorescent lamps consist of glass tubes filled with a mixture of argon and mercury vapor. The metal electrodes on both ends are coated with an alkaline earth oxide that easily donates electrons.

Explanation

When oxygen tension is 115 mm of mercury, hemoglobin saturation is 100%. 

At high oxygen tensions (like 100 mm Hg and above), essentially all available hemoglobin binding sites are occupied by oxygen molecules, resulting in complete saturation. 

Explanation

Answer:

D

Meningitis is a clinical syndrome characterized by inflammation of the meninges i-e membranes

Explanation

Answer:

B

The sun produces energy from a process called nuclear fusion. Infusion, the high voltage, and high temperature in the core of the solar core remove the electron nucleus. Hydrogen nuclei fuse to form a helium atom. Radiant energy is released during the fusion process.

Explanation

Active Transport:

Requires energy (ATP) to move molecules against the concentration gradient (low → high).

Example: Sodium-potassium pump in cells.

Explanation