Two plants can be conclusively said to belong to the same species if they
1. can reproduce freely with each other and form seeds
2. have more than 90 percent similar genes
3. look similar and possess identical secondary metabolites
4. have same number of chromosomes
1. can reproduce freely with each other and form seeds
2. have more than 90 percent similar genes
3. look similar and possess identical secondary metabolites
4. have same number of chromosomes
ICBN stands for
1. Indian Congress of Biological Name
2. International Code for Botanical Nomenclature
3. International Congress of Biological Name
4. Indian Code of Botanical Nomenclature
Which one of the following is not a correct statement?
1. Botanical gardens have collection of living plants for reference
2. A museum has collection of photographs of plants and animals
3. Key is taxonomic aid for identification of specimens
4. herbarium houses dried, pressed and preserved plant specimens
Which of the following represent maximum number of species among global biodiversity?
1. Algae
2. Lichens
3. Fungi
4. Mosses and ferns
Nomenclature is governed by certain universal rules. Which one of the following is contrary to the rules of nomenclature?
| 1. | When written by hand, the names are to be underlined |
| 2. | Biological names can be written in any language |
| 3. | The first word in a biological name represents the genus name, and the second is a specific epithet |
| 4. | The names are written in Latin and are italicized |
"Ordines Anomali" of Bentham and Hooker includes
1. plants described only in fossil state
2. seed plants showing abnormal forms of growth and development
3. plants described in the literature but which Bentham and Hooker did not see in original
4. a few orders which could not be placed satisfactorily in the classification
Which of the following is less general in characters as compared to genus?
| 1. | Species | 2. | Division |
| 3. | Class | 4. | Family |
Read the following statements.
| (i) | Lower the taxon, more are the characteristics that the members within the taxon share. |
| (ii) | Order is the assemblage of genera which exhibit a few similar characters. |
| (iii) | Cat and dog are included in the same family Felidae. |
| (iv) | Binomial Nomenclature was introduced by Carolus Linnaeus. |
Which of the following statements are not correct?
| 1. | (i), (ii) and (iii) | 2. | (ii), (iii) and (iv) |
| 3. | (i) and (iv) | 4. | (ii) and (iii) |
Choose the correct one.
(a) Growth cannot be taken as a defining property of living organisms.
(b) Dead organism does not grow.
(c) Reproduction cannot be an all inclusive defining characteristic of living organisms.
(d) No non-living object is capable of replicating itself.
(e) Metabolism in a test tube is non-living.
(f) Metabolism is a defining feature of all living organisms.
1. (a) and (c)
2. All except (e)
3. All except (c)
4. All of these
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