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Q. No.
Assertion (A):
A group of closely related families form an order.
Reason (R):
The families of an order show close resemblance in certain fundamental features and also in evolutionary trends.
1.
Both (A) and (R) are True and (R) is the correct explanation of (A)
2.
Both (A) and (R) are True but (R) is not the correct explanation of (A)
3.
(A) is True but (R) is False
4.
Both (A) and (R) are False
Subtopic: Taxonomy 3: From Family to Classification of Some Organisms |
73%
Level 2: 60%+
Hints
| Assertion(A): | Species is a genetically closed system. |
| Reason(R): | Because the reproductive isolation constitutes the most important boundary between different species |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A) |
| 3. | (A) is true but (R) is false |
| 4. | Both (A) and (R) are false |
Subtopic: Taxonomy 2: Classification up to Genus |
80%
Level 1: 80%+
Hints
| Assertion (A): | Lower the taxa, more are the characteristics that the members within taxon share |
| Reason (R): | Higher the category, lesser is the difficulty of determining the relationship to other taxa at the same level |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A) |
| 3. | (A) is True but (R) is False |
| 4. | Both (A) and (R) are False |
Subtopic: Taxonomy 2: Classification up to Genus | Taxonomy 3: From Family to Classification of Some Organisms |
57%
Level 3: 35%-60%
Hints
Select the wrong statements
1. i, ii and iii
2. ii, iii and iv
3. i and iv
4. ii and iii
| (i) | Lower the taxon, more are the characteristics that the members within the taxon share |
| (ii) | Order is the assemblage of genera which exhibits a few similar characters |
| (iii) | Cat and dog are included in the same family Felidae |
| (iv) | Bionomial nomenclature was introduced by Carolus Iinnaeus |
2. ii, iii and iv
3. i and iv
4. ii and iii
Subtopic: Taxonomy 2: Classification up to Genus | Taxonomy 3: From Family to Classification of Some Organisms |
75%
Level 2: 60%+
Hints
Match the following and choose the correct option:
Options
1. i-d , ii-c , iii-e , iv-b , v-a
2. i-e , ii-d , iii-b , iv-a , v-c
3. i-d , ii-e , iii-b , iv-a , v-c
4. i-e , ii-c , iii-b , iv-e , v-d
| a. | Family | i. | tuberosum |
| b. | Kingdom | ii. | Polymoniales |
| c. | Order | iii. | Solanum |
| d. | Species | iv. | Plantae |
| e. | Genus | v. | Solanaceae |
Options
1. i-d , ii-c , iii-e , iv-b , v-a
2. i-e , ii-d , iii-b , iv-a , v-c
3. i-d , ii-e , iii-b , iv-a , v-c
4. i-e , ii-c , iii-b , iv-e , v-d
Subtopic: Taxonomy 2: Classification up to Genus | Taxonomy 3: From Family to Classification of Some Organisms |
85%
Level 1: 80%+
Hints
| Assertion(A): | We need nomenclature to study living organisms. |
| Reason(R): | Local names vary from place to place which create confusion. |
Choices for Assertions and reasons:
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are true, but (R) is not the correct explanation of (A) |
| 3. | (A) is true, but (R) is false. |
| 4. | (A) is false, but (R) is true. |
Subtopic: Taxonomy 1: Nomenclature |
84%
Level 1: 80%+
Hints
Assertion(A): Wheat, rice, cats, dogs, mammals, plants, animals, etc., are taxa which we use to study the living organisms.
Reason(R): The scientific term for taxa is category.
Choices for Assertions and reasons:
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason(R): The scientific term for taxa is category.
Choices for Assertions and reasons:
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Taxonomy 1: Nomenclature |
Level 3: 35%-60%
Hints
| Assertion(A): | Animals, mammals, and dogs are all taxa. |
| Reason(R): | They represent taxa at different levels. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true, but (R) is not the correct explanation of (A). |
| 3. | (A) is true, but (R) is false. |
| 4. | (A) is false, but (R) is true. |
Subtopic: Taxonomy 1: Nomenclature |
Level 3: 35%-60%
Hints
| Assertion (A): | Characterisation, identification, classification and nomenclature are the processes that are basic to taxonomy. |
| Reason (R): | The structural, developmental and ecological information of an organism is important for taxonomic studies. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Taxonomy 1: Nomenclature |
59%
Level 3: 35%-60%
Hints
| Assertion (A): | The earliest classifications were based on the ‘uses’ of various organisms. |
| Reason (R): | In early days, human beings needed to find sources for their basic needs of food, clothing and shelter. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Taxonomy 1: Nomenclature |
82%
Level 1: 80%+
Hints
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