Select Chapter Topics:
Q. No.Regarding artificial system of classification of living organisms:
1. I is correct and II is incorrect
2. Both I and II are correct and II explains I
3. I is incorrect and II is correct
4. Both I and II are correct but II does not explain I
| I: | It is the most acceptable system for classification of living organisms. |
| II: | The vegetative characters are more easily affected by environment. |
1. I is correct and II is incorrect
2. Both I and II are correct and II explains I
3. I is incorrect and II is correct
4. Both I and II are correct but II does not explain I
Subtopic: Classification System: II |
81%
Level 1: 80%+
Hints
The system of classification of plants given by Carolus Linnaeus was:
| 1. | an artificial system based mainly on the androecium structure. |
| 2. | a natural system based on large number of natural affinities between flowering plants. |
| 3. | was a phylogenetic system based on evolutionary relationships. |
| 4. | was a chemotaxonomic system based on structure of homologous proteins. |
Subtopic: Classification System: II |
80%
Level 1: 80%+
Hints
In numerical taxonomy:
| I: | computers are used and all the observable characters are taken into consideration. |
| II: | hundreds of characters can be considered together and each character is given equal importance. |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. both I and II are incorrect
Subtopic: Classification System: I |
82%
Level 1: 80%+
Hints
Identify the incorrect statement regarding classification of plants given by George Bentham and Joseph Dalton Hooker:
| 1. | It is a natural system of classification. |
| 2. | It totally disregarded the external characters and did not include them to classify plants. |
| 3. | It used internal features like structure, anatomy, embryology and phytochemistry. |
| 4. | It was based on natural affinities among the organisms. |
Subtopic: Classification System: II |
80%
Level 1: 80%+
Hints
The given figure shows the phylogenetic evolution of plants with A, B, C and D representing common ancestors in the lineage. Identify A, B, C and D:
| A | B | C | D | |
| 1. | Vascular plants | Seed plants | Green plants | Land plants |
| 2. | Land plants | Green plants | Seed plants | Vascular plants |
| 3. | Green plants | Land plants | Vascular plants | Seed plants |
| 4. | Seed plants | Vascular plants | Land plants | Green plants |
Subtopic: Classification System: I |
77%
Level 2: 60%+
Hints
Match each item in Column I with one in Column II and select the correct match as your answer from the coders given:
Codes
| Column I [Classification method] |
Column II [Feature used] |
||
| A. | Artificial | P. | Evolutionary relationships |
| B. | Phylogenetic | Q. | Gross morphological characters |
| C. | Chemotaxonomy | R. | Chemical constituents of plants |
| D. | Cytotaxonomy | S. | Chromosome number, structure and behaviour |
Codes
| A | B | C | D | |
| 1. | P | Q | S | R |
| 2. | Q | P | R | S |
| 3. | R | S | P | Q |
| 4. | S | R | Q | P |
Subtopic: Classification System: II |
93%
Level 1: 80%+
Hints
Fusion of two gametes which are dissimilar in size is termed as
| 1. | Oogamy | 2. | Isogamy |
| 3. | Anisogamy | 4. | Zoogamy |
Subtopic: Algae |
82%
Level 1: 80%+
Hints
The earliest land plants lacked true roots. What may have enabled them the most to colonize land?
| 1. | Symbiotic associations with fungi |
| 2. | Prostrate thalloid body |
| 3. | Motile antherozoids capable of reaching the egg through water |
| 4. | Parasitic and saprophytic modes of nutrition |
Subtopic: Gymnosperms |
Level 3: 35%-60%
Hints
Consider the following statements regarding green algae:
| I: | Pigments are located in definite plastids |
| II: | Most have pyrenoids in chloroplasts |
| III: | Cell wall has an inner layer of pectose and outer layer of cellulose |
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Chlorophyceae: Green Algae |
68%
Level 2: 60%+
Hints
Subtopic: Algae | Pteridophytes |
92%
Level 1: 80%+
Hints
Select Chapter Topics:
© 2025 GoodEd Technologies Pvt. Ltd.