Fragmentation is not a common method of asexual reproduction in:
1. Planaria
2. Hydra
3. Filamentous algae
4. Protonema of moss
1. Planaria
2. Hydra
3. Filamentous algae
4. Protonema of moss
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Identify the incorrect statement amongst the following:
1. A multi cellular organism grows by cell division
2. In plants, growth by cell division occurs continuously throughout their life span
3. Cell division is not seen in animals after a certain age
4. Growth is a characteristic of living organisms
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Match each item in Column I with one in Column II and choose your answer from the codes given below:
| COLUMN I | COLUMN II |
| Taxonomical aid | Feature |
| I. Flora | a. Useful in providing information for identification of names of species found in an area |
| II. Manuals | b. Contains the actual account of habitat and distribution of plants of a given area. |
| III. Monographs | c. Contain information on any one taxon |
Codes:
| I | II | III | |
| 1. | a | b | c |
| 2. | c | b | a |
| 3. | b | a | c |
| 4. | b | c | a |
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The taxon ‘Division’ in plant taxonomy is used as a substitute for which of the following taxonomic categories in animal taxonomy?
| 1. | Phylum | 2. | Class |
| 3. | Order | 4. | Family |
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The scientific term for biological classification categories is:
| 1. Species | 2. Taxon |
| 3. Phylum | 4. Domain |
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Which of the following suffix is used to denote the taxon ‘family’ in taxonomy of plants?
| 1. | -ae | 2. | -opsida |
| 3. | -aceae | 4. | -ales |
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The main difference between taxonomy and systematics is that:
| 1. | Taxonomy is involved in the naming and classification of organisms while systematics is involved in determining evolutionary relationships between organisms |
| 2. | Systematics is involved in the naming and classification of organisms while taxonomy is involved in determining evolutionary relationships between organisms |
| 3. | Taxonomy is not a true science and has largely been replaced with systematics |
| 4. | Systematics can be considered as a part of taxonomy |
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Mammals living in a colder environment have:
1. Small body size
2. Low metabolic rate
3. Small appendage size
4. Less body fat
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