Q. No.The thermostat of human body is located in:
1. Hypothalamus
2. Cerebrum
3. Cerebellum
4. Thalamus
1. Hypothalamus
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The species problem is the set of questions that arises when biologists attempt to define what a species is. One popular way to define species is the biological species concept. This definition breaks down in all the following situations except:
1. asexually reproducing single celled organisms
2. sexually reproducing multi cellular organisms
3. extinct life forms in paleontology
4. ring species
Keys in which the choices allow only two (mutually exclusive) alternative couplets are known as:
1. Dichotomous keys
2. Poly clave keys
3. Indented keys
4. Bracketed keys
A monophyletic group, a group of organisms that consists of a common ancestor and all its lineal descendants, is called as:
1. Taxon
2. Class
3. Clade
4. Division
Which taxon in plant taxonomy is equivalent to the ‘phylum’ in animal taxonomy?
1. Supraclass
2. Clade
3. Domain
4. Division
Which taxonomic category is not correctly matched with name regarding the classification of the housefly?
| 1. | Phylum: Arthropoda | 2. | Class: Diptera |
| 3. | Family: Muscidae | 4. | Genus: Musca |
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Of the known and described number of species, Arthropods are maximum in number. Which of the following groups will be next in number?
1. Molluscs
2. Fungi
3. Vascular plants
4. Algae
"Canis sp." means:
1. an unspecified species of the genus Canis
2. two or more species of the genus Canis
3. an unspecified sub-species of the genus Canis
4. two or more sub-species of the genus Canis
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Which of the following cannot be the defining properties of living organisms?
I. Growth
II. Reproduction
III. Emergent properties
IV. Cellular organization with metabolism
1. I, II and III
2. I, III and IV
3. II, III and IV
4. I, II, III and IV
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