Questions

The particles which makes upon an atom are called subatomic particles. Electrons, protons and Neutrons that makes an atom are called subatomic particles.

Whereas,

An ion is an atom or group of atoms in which the number of electrons is different from the number of protons.

In the adult heart, blood in the right chambers of the heart cannot enter the left chambers without passing through the lungs is correct regarding mammalian heart.

Many carbohydrates contain one or more modified monosaccharide units that have had one or more groups replaced or removed.

Chitin is one of many naturally occurring polymers. It is one of the most abundant natural materials in the world. Over time it is bio-degradable in the natural environment. Its breakdown may be catalyzed by enzymes called chitinases, secreted by microorganisms such as bacteria and fungi, and produced by some plants.

Chitin is composed of repeating units of N-acetylglucosamine, a nitrogen-containing form of glucose.

1/3 of the posts are reserved for women at all levels in Panchayati Raj System in India.

Panchayat Raj System in India ::

>> Recommend by: Balwantrai Mehta Committee 

>> System: 3-tier

>> Established by: Jawahar Lal Nehru

>> Constitutional amendment: 73rd (1992)

>> Schedule: 11th

>> First state to adopt: Rajasthan

>> Article: 243

>> Direct election: Gram Panchayat

True, Earth is a system comprised of interacting processes. Such processes include carbon cycle, water cycle, Phosphorous cycle,...

The presence of vitamin D in the body enhances the absorption of calcium by the intestine.