Q. No.Biosystematics aims at
1. the classification of organisms based on their evolutionary history and establishing their phylogeny on the totality of various parameters from all fields of studies
2. identification and arrangement of organism on the basis of their cytological characteristics
3. the classification of organisms based on broad morphological characters
4. delimiting various taxa of organisms and establishing their relationships
Practical purpose of taxonomy or classification is to:
1. facilitate the identification of unknown species
2. explain the origin of organisms
3. know the evolutionary history
4. identify medicinal plants
The term ‘systematics’ refers to:
1. Identification and classification of plants and animals
2. Nomenclature and identification of plants and animals
3. Diversity of kinds of organisms and their relationship
4. Different kinds of organisms and their classification
Identify the incorrect statement regarding the rules of Binomial Nomenclature?
1. The names are derived from Latin or Latinized.
2. The first word in a biological name represents the genus while the second component denotes the specific epithet.
3. Both the words in a biological name, when handwritten, are written in italics, or printed separately underlined to indicate their Latin origin.
4. The first word denoting the genus starts with a capital letter while the specific epithet starts with a small letter.
| 1. | Increase |
| 2. | Decrease |
| 3. | Remain same |
| 4. | May increase in polar regions and decrease in tropical regions |
1. 0.8 and 1.0 million
2. 1.0 and 1.2 million
3. 1.5 and 1.7 million
4. 7.0 and 8.0 million
| Statement I: | Properties of tissues are present in the constituent cells and similarly properties of cellular organelles are present in the molecular constituents of the organelle. |
| Statement II: | All living organisms – present, past and future, are linked to one another by the sharing of the common genetic material, but to varying degrees. |
1. Statement I is correct; Statement II is incorrect
2. Statement I is correct; Statement II is correct
3. Statement I is incorrect; Statement II is incorrect
4. Statement I is incorrect; Statement II is correct
| 1. | Identification and study of organ systems of plants and animals |
| 2. | Identification and preservation of plants and animals |
| 3. | Diversity of kinds of organisms and their relationship |
| 4. | Study of habitats of organisms and their classification |
| 1. | Both generic name and the specific epithet can be abbreviated. |
| 2. | The species name is written first, followed by the genus. |
| 3. | The first letter of the genus name is capitalized and the species name is in lowercase. |
| 4. | Both the genus and species names are always written in italics or underlined together. |
Nomenclature is governed by certain universal rules. Which one of the following is contrary to the rules of nomenclature?
| 1. | The first word in a biological name represents the genus name and second is specific epithet |
| 2. | The names are derived from latin and written in italics. |
| 3. | When written by hand, the names are to be underlined. |
| 4. | Biological names can be written in any language |
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