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Q. No.Evolutionarily, pteridophytes are the first:
1.
plants with haplontic life cycle
2.
terrestrial plants with dominant gametophytic generation
3.
plants to produce flowers pollinated by insects
4.
terrestrial plants to possess vascular tissues
Subtopic: Pteridophytes |
91%
From NCERT
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Match each item in Column I with one in Column II and select the correct match from the codes given:
Codes:
| Column I | Column II | ||
| A | Ulothrix | P | Brown algae with diplontic life cycle |
| B | Ectocarpus | Q | Major pigments are chlorophyll a and b |
| C | Fucus | R | Brown algae with haplo-diplontic life cycle |
| D | Polysiphonia | S | Lack flagella |
| A | B | C | D | |
| 1. | P | S | Q | R |
| 2. | Q | P | R | S |
| 3. | Q | R | P | S |
| 4. | R | Q | S | P |
Subtopic: Pheophyceae: Brown Algae | Life Cycle Patterns in Plants (OLD NCERT) | Chlorophyceae: Green Algae |
77%
From NCERT
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Floridean starch is a form of:
| 1. | stored food in red algae that resembles the structure of amylopectin and glycogen |
| 2. | stored food in brown algae that resembles the structure of agarose and agaropectin |
| 3. | carbohydrate found in cell wall of brown algae that resembles the structure of amylopectin and glycogen |
| 4. | carbohydrate found in cell wall of red algae that resembles the structure of agarose and agaropectin |
Subtopic: Rhodophyceae: Red Algae and Importance of Algae |
90%
From NCERT
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A and B in the given diagram respectively show:
| 1. | Male thallus of Marchantia and Female thallus of Marchantia |
| 2. | Female thallus of Marchantia and Male thallus of Marchantia |
| 3. | Male thallus of Funaria and Female thallus of Funaria |
| 4. | Female thallus of Funaria and Male thallus of Funaria |
Subtopic: Bryophytes |
89%
From NCERT
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In gymnosperms:
| 1. | gametophytes have an independent free-living existence |
| 2. | pollen grains are transported by water |
| 3. | pollen tubes are not seen |
| 4. | seeds are not covered |
Subtopic: Gymnosperms |
88%
From NCERT
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Asexual reproduction in brown algae is by:
| 1. | biflagellate biconcave disc shaped zoospores |
| 2. | non-motile spherical aplanogametes |
| 3. | biflagellate pear shaped zoospores |
| 4. | non-motile zoospores produced in zoosporangia |
Subtopic: Pheophyceae: Brown Algae |
89%
From NCERT
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Consider the two statements:
| Statement I: | Antheridium in bryophytes produces biflagellate antherozoids. |
| Statement II: | Archegonium in bryophytes produces a single egg. |
| 1. | Statement I is correct; Statement II is incorrect |
| 2. | Statement I is correct; Statement II is correct |
| 3. | Statement II is correct; Statement I is incorrect |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Bryophytes |
90%
From NCERT
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Classification system based on information like chromosome number, structure, behaviour is called as:
1. Numerical taxonomy
2. Cytotaxonomy
3. Chemotaxonomy
4. Cladistics
1. Numerical taxonomy
2. Cytotaxonomy
3. Chemotaxonomy
4. Cladistics
Subtopic: Classification System |
87%
From NCERT
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Regarding red algae:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | Majority are fresh water with greater concentrations found in the colder areas. |
| II: | They occur in both well-lighted regions close to the surface of water and also at great depths in oceans where relatively little light penetrates. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Rhodophyceae: Red Algae and Importance of Algae |
82%
From NCERT
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The leafy stage in the life cycle of mosses:
| 1. | is a stage of the sporophytic generation. |
| 2. | is a creeping, green, branched and frequently filamentous stage. |
| 3. | develops directly from a spore. |
| 4. | bears sex organs. |
Subtopic: Bryophytes |
54%
From NCERT
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