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Classification based on maximum morpholo...

Classification based on maximum morphological characters and form relationships (similarities and dissimilarities) is called

A

phylogenetic

B

natural

C

artificial

D

ancient

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The correct Answer is:
B
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Quantum mechanical calcuations show that mathematical mixing of certain combinaaation of orbitals in a given atom forms hybrid orbitals. The spatial orientations of these new orbitals lead to more stable bonds and are consistent with the observed molecular shapes . The process of orbital mixing is called hybridization and the new atomic orbitals are called hybrid orbitals.- Conditions (i) The no. of hybrid orbitals equal the number of atomic orbitalsmixed. (ii)The type of hybrid orbitals obtained varies with the type of atomic orbitals mixed. Rules to determine hybrid orbitals. Method i:Count no .of atoms directiy attached to central atom + lone pairs+single electrons. Method II: Count sigma - bonds+co-ordinate bonds+ lone pair+single electrons. If the number comes one to be 2 implies sp 5 implies sp^3d/dsp^3 3 implies sp^2 6 implies sp^3d^2/d^2sp^3 4 implies sp^3/dsp^2 7 implies sp^3d^3 Answer the following questions based on above passage : Phosphorous pentachloride in gaseous state exists as a momomer. In solid state, it exists as PCl_5^+. PCl_6^- ions. The hybrid state of P atom in PCl_5 is sp^3d . The hybrid state of P atoms in PCl_4^+ and PCl_6^- will be respectively

Quantum mechanical calcuations show that mathematical mixing of certain combinaaation of orbitals in a given atom forms hybrid orbitals. The spatial orientations of these new orbitals lead to more stable bonds and are consistent with the observed molecular shapes . The process of orbital mixing is called hybridization and the new atomic orbitals are called hybrid orbitals.- Conditions (i) The no. of hybrid orbitals equal the number of atomic orbitalsmixed. (ii)The type of hybrid orbitals obtained varies with the type of atomic orbitals mixed. Rules to determine hybrid orbitals. Method i:Count no .of atoms directiy attached to central atom + lone pairs+single electrons. Method II: Count sigma - bonds+co-ordinate bonds+ lone pair+single electrons. If the number comes one to be 2 implies sp 5 implies sp^3d/dsp^3 3 implies sp^2 6 implies sp^3d^2/d^2sp^3 4 implies sp^3/dsp^2 7 implies sp^3d^3 Answer the following questions based on above passage : Hybrid states of Xe in XeF_2, XeF_4 and XeF_6 respectively are :

TRUEMAN BIOLOGY-BIOLOGICAL CLASSIFICATION-MULTIPLE CHOICE QUESTIONS
  1. ICZN/ICBN does not apply to

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  2. Natural systems of classification are good for practical purposes. Who...

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  3. Classification based on maximum morphological characters and form rela...

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  4. Artificial system is based on

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  5. Carl Woese (1990) divided these six kingdoms into three domains on the...

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  6. A taxonomic group comprised of members of similar kingdoms is called

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  7. What is true in the latest classification of biological kingdoms propo...

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  8. The book written by Theophrastus is

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  9. Which of the following shows maximum diversity?

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  10. Term Systematics was coined by Linnaeus for his book Systema Naturae. ...

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  11. Interchangeable terms are: 1. Taxon and Category 2. Taxonomy and Sys...

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  12. Who wrote 'Historia Generalis Plantarum' that has 3 volumes and descri...

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  13. To which kingdom of Whittaker, producers belong ?

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  14. Super kingdom is

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  15. Term new systematics was introduced by

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  16. New systematics based on genetic interrelationship is

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  17. Term Systematics was coined by Linnaeus for his book Systema Naturae. ...

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  18. What is the name of the book written by Aristotle? 1. Historia Animal...

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  19. Which taxon has suffix -ales ?

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  20. On the basis of nucleoid/karyon, viruses should be included in

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