The diversity in living beings is due to (AIPMT 2001)
1. Mutations
2. Long term evolutionary changes
3. Short term evolutionary changes
4. Gradual changes

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Biosystematics aims at [AIPMT 2003]
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 organism based on broad morphological characters
4. delimiting various taxa of organisms and establishing their relationships

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Species are considered as [AIPMT 2003]
1. artificial concept of human mind which cannot be defined in absolute terms
2. real units of classification devised by taxonomists
3.real basic units of classification
4. the lowest units of classification

Subtopic:  Introduction & Growth as Criterion for Being Living |
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Phenetic classification of organisms is based on [AIPMT 2004]
1. observable characteristics of existing organisms
2. the ancestral lineage of existing organisms
3. dendrogram based on DNA characteristics
4. sexual characteristics

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One of the most important functions of botanical gardens is that [AIPMT 2004]
1. one can observe tropical plants there
2. they allow ex situ conservation of germplasm
3.they provide the natural habitat for wildlife
4. they provide a beautiful area for recreation

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Botanical gardens provide (AIPMT 2005)
1. Beautiful area for recreation
2. Reservoir for tropical plants
3. Ex situ conservation of germplasm
4. Natural habitat for wildlife

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The institute which encourages publication of local flora in India is (AIPMT 2006)
1. NBRI
2. FRI
3. BSI
4.IARI

Subtopic:  Taxonomy 1: Nomenclature |

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CNH (Central National Herbarium) is located at (AIPMT 2006)
1. Mumbai
2. Chennai
3. Kolkata
4. Bangalore

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Two plants can be conclusively said to belong to the same species if they (AIPMT 2007)
1. can reproduce freely with each other and from seeds
2. have more than 90 percent similar genes
3. look similar and possess identical secondary metabolites
4. have same number of chromosomes

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ICBN stands for (AIPMT 2007)
1. Indian Congress of Biological Name
2. International Code for Botanical Nomenclature
3. International Congress of Biological Name
4. Indian Code of Botanical Nomenclature

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