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Q. No.Select the incorrect statement about artificial system of classification of Linnaeus
1.
It is called artificial system because it is based on only one or two characters
2.
It was based on androecium structure
3.
It is also called sexual system as he chiefly used characters of stamens
4.
It divides flowering and non-flowering plants into two categories
Subtopic: Classification System |
Level 3: 35%-60%
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Natural classification system considered natural affinities among organisms which means
| 1. | Natural similarity or resemblance among organisms |
| 2. | Natural dissimilarities among organisms |
| 3. | Phylogenetic similarities among organisms |
| 4. | Phylogenetic dissimilarities among organisms |
Subtopic: Classification System |
77%
Level 2: 60%+
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Subtopic: Algae |
72%
Level 2: 60%+
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Select the wrong option about organism shown in the figure
1. It is green filamentous alga
2. It produces flagellated isogametes
3. It has chlorophyll a and b
4. It has cell wall covered by algin
1. It is green filamentous alga
2. It produces flagellated isogametes
3. It has chlorophyll a and b
4. It has cell wall covered by algin
Subtopic: Chlorophyceae: Green Algae |
74%
Level 2: 60%+
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All of the algae mentioned in the options are used as food
Select the pair of brown algae which are used as food
Select the pair of brown algae which are used as food
| 1. | Porphyra | Laminaria |
| 2. | Laminaria | Sargassum |
| 3. | Chlorella | Porphyra |
| 4. | Sargassum | Porphyra |
Subtopic: Algae |
79%
Level 2: 60%+
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Select the incorrect match
| 1. | Ecotocarpus | - | Filamentous |
| 2. | Kelps | - | Possess carotenoids |
| 3. | Chlamydomonas | - | Cup shaped chloroplast |
| 4. | Chara | - | Colonial green alga |
Subtopic: Algae | Chlorophyceae: Green Algae |
68%
Level 2: 60%+
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The protoplast of brown alga contains all, except
1. Plastids
2. Centrally located vacuole
3. Nucleus
4. Pyrenoids
1. Plastids
2. Centrally located vacuole
3. Nucleus
4. Pyrenoids
Subtopic: Pheophyceae: Brown Algae | Chlorophyceae: Green Algae |
82%
Level 1: 80%+
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A similarity between brown and red algae is
| 1. | Presence of motile gametes |
| 2. | Their occurrence primarily in marine habitat |
| 3. | Presence of polysulphate esters in outer cell wall |
| 4. | Presence of chlorophyll d |
Subtopic: Algae |
82%
Level 1: 80%+
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Match the following columns and select the correct option regarding bryophytes
| (a) | Gametophyte | (i) | Haploid, antherozoid producing structure |
| (b) | Sporophyte | (ii) | Flask shaped haploid structure |
| (c) | Anthredium | (iii) | Produces gametes |
| (d) | Archegonium | (iv) | Non photosynthetic diploid body |
| a | b | c | d | |
| 1. | (ii) | (iv) | (ii) | (i) |
| 2. | (ii) | (i) | (iii) | (iv) |
| 3. | (iii) | (iv) | (i) | (ii) |
| 4. | (iv) | (iii) | (i) | (ii) |
Subtopic: Bryophytes |
87%
Level 1: 80%+
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All of the following statements hold true for both protonema and prothallus, except
| 1. | Free living gametophyte structure |
| 2. | Formed from spore |
| 3. | Photosynthetic in nature |
| 4. | Branched and filamentous |
Subtopic: Bryophytes |
54%
Level 3: 35%-60%
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