Q. No.Sometimes the terms such as biological classification, taxonomy and systematics are used as synonyms. However, if we define them separately, which of the following would be acceptable?
| I: | Classification is the ordering of organisms into groups |
| II: | Taxonomy is the study of principles and procedures of classification |
| III: | Systematics is the study of organisms and their diversities and the evolutionary relationships among them |
| 1. | Only I and II | 2. | Only I and III |
| 3. | Only II and III | 4. | I, II and III |
Subtopic: Taxonomy 1: Nomenclature | Systematics & Type study |
64%
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Consider the following statements:
| I: | Lion, leopard and tiger belong to same genus. |
| II: | Lion, leopard, tiger and cats belong to same family. |
| III: | Lion, leopard, tiger, cats and dogs belong to same order. |
This implies that:
| 1. | Cats and dogs are more closely related to each other than cats and leopards |
| 2. | Lions share maximum characteristics with dogs |
| 3. | Lion, leopard and tiger are capable of interbreeding and producing fertile offspring |
| 4. | Lion, leopard, tiger, cats and dogs may belong to the same class in taxonomic hierarchy |
Subtopic: Taxonomy 2: Classification up to Genus | Taxonomy 3: From Family to Classification of Some Organisms |
73%
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Look at the given cladogram and select the correct inferences that can be drawn from it:
| Inference I: | Man and chimpanzee have a more recent common ancestor than man and gorilla. |
| Inference II: | New world monkeys turned into old-world monkeys that turned into the great apes. |
1. Only Inference I
2. Only Inference II
3. Both Inference I and Inference II
4. Neither Inference I nor Inference II
Subtopic: Evolution Prior to Ape Man |
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Identify the Viruses A and B in the given diagram:
| A | B | |
| 1. | SarsCoV2 | HIV |
| 2. | HIV | SarsCoV2 |
| 3. | HSV 1 | HSV 2 |
| 4. | HBV | HAV |
Subtopic: Virus, Viroids & Prions |
78%
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Bacteria are of varied shapes. Identify the correct match for A, B and C in the given figure:
| A | B | C | |
| 1. | Spirocheate | Streptobacillus | Staphylococcus |
| 2. | Vibrios | Staphylobacillus | Streptococcus |
| 3. | Vibrios | Streptobacillus | Staphylococcus |
| 4. | Spirochaete | Staphylobacillus | Streptococcus |
Subtopic: Kingdom Monera: Bacterial Classification |
55%
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Cyanobacteria:
| I: | are eubacteria |
| II: | have chlorophyll a similar to green plants |
| III: | can fix atmospheric nitrogen |
1. Only III is correct
2. Only I and II are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Kingdom Monera: Bacterial Classification |
81%
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Identify the correct statement regarding the given figure:
1. I is correct but II is incorrect
2. I is incorrect but II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | It shows Nostoc – a filamentous blue green alga. |
| II: | The arrow shows specialised cell for fixing atmospheric nitrogen called heterocyst. |
2. I is incorrect but II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Kingdom Monera: Bacterial Classification |
91%
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Protists that do not include any photosynthetic members are:
| I: Euglenoids | II: Slime moulds | III: Protozoans |
| 1. | Only I | 2. | Only II |
| 3. | Both II and III | 4. | I, II and III |
Subtopic: Kingdom Protista: Euglenoids | Kingdom Protista: Slime Moulds | Protozoa |
80%
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The given figure shows the architecture of the cell wall of:
| 1. Archaebacteria 2. Gram positive bacteria 3. Diatoms 4. Dinoflagellates |
 |
Subtopic: Kingdom Protista: Chrysophytes |
67%
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The given figure shows an organism capable of causing ret tides in water bodies that adversely affect the aquatic life. This organism can be:
| 1. Ctenoplana 2. Gonyaulax 3. Pennatula 4. Gorgonia |
 |
Subtopic: Kingdom Protista: Dinoflagellates |
97%
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