NEET Practice Questions (MCQs) with Answers & Solutions

The NCERT states, 'Within a family or vertical column of the periodic table, the atomic radius increases regularly with atomic number... This happens because the inner energy levels are filled with electrons, which serve to shield the outer electrons from the pull of the nucleus. Consequently the size of the atom increases as reflected in the atomic radii.'

The text states: 'Obviously, nomenclature or naming is only possible when the organism is described correctly and we know to what organism the name is attached to. This is identification.' Therefore, nomenclature presupposes correct description and identification.

The text explicitly mentions: 'For plants, scientific names are based on agreed principles and criteria, which are provided in International Code for Botanical Nomenclature (ICBN).'

The text states: 'This naming system given by Carolus Linnaeus is being practised by biologists all over the world.'

The text explains: 'In this name Mangifera represents the genus while indica, is a particular species, or a specific epithet.'

The rules state: 'The first word in a biological name represents the genus while the second component denotes the specific epithet.' and 'Both the words in a biological name, when handwritten, are separately underlined, or printed in italics to indicate their Latin origin.' While the capitalization rule isn't explicitly stated in the context for handwriting (but implied by example 'Mangifera indica'), the underlining rule is clear for both words separately.

The text states: 'Biological names are generally in Latin and written in italics. They are Latinised or derived from Latin irrespective of their origin.'

The text lists three rules: Latin origin, genus as the first word and specific epithet as the second, and separate underlining for handwritten names. It does not mention that the specific epithet must always be a descriptive adjective.

The text states: 'The scientific names ensure that each organism has only one name. Description of any organism should enable the people (in any part of the world) to arrive at the same name.'

The text explains: 'These local names would vary from place to place, even within a country. Probably you would recognise the confusion that would be created if we did not find ways and means to talk to each other, to refer to organisms we are talking about. Hence, there is a need to standardise the naming of living organisms...'