Occurrence of triploid (3n) primary endosperm nucleus is a characteristic feature of

(1) Algae

(2) Gymnosperms

(3) Angiosperms

(4) Bryophytes

 92%
Level 1: 80%+
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Match Column - I with Column - II and select the correct option from the codes given below.

Column - I   Column - II
A. Chlorophyta (i) Equisetum
B. Lycopsida (ii) Chara
C.  Phaeophyta (iii)  Selaginella
D. Sphenopsida   (iv) Ectocarpus

Codes:

1. A - (ii), B - (iii), C - (iv), D - (i)
2. A - (iv), B - (i), C - (ii), D - (iii)
3. A - (ii), B - (iii), C - (i), D - (iv)
4. A - (iv), B - (i), C - (iii), D - (ii)

Subtopic:  Algae |
 81%
Level 1: 80%+
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Which of the following is correctly matched without exception in regard to plant classification?

1.

Family     

- Poaceae - ae

2.

Division

- Pteridophyta - phyta

3.

Class         

- Bryopsida - sida

4.  

Genus     

- Solanum - um

Subtopic:  Pteridophytes |
Level 3: 35%-60%
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Which of the following genera is associated with coralloid roots?

1. Cycas 2. Taxus
3. Pinus 4. Sequoia
Subtopic:  Gymnosperms: I | Gymnosperms |
 92%
Level 1: 80%+
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Match the following selected the correct option.

Column - I   Column - II
A. Pteris (i) Gymnosperm
B. Cycas (ii) Bryophyte
C.  Sphagnum      (iii)    Algae
D. Sargassum (iv) Pteridophyta

1. A - (iv), B - (ii), C - (i), D - (iii)

2. A - (iv), B - (i), C - (ii), D - (iii)

3. A - (ii), B - (iii), C - (iv), D - (i)

4. A - (i), B - (iv), C - (iii), D - (ii)

Subtopic:  Algae | Bryophytes | Gymnosperms: I | Pteridophytes | Gymnosperms |
 88%
Level 1: 80%+
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Which of the following groups of algae produces algin?

1. Phaeophyceae and Chlorophyceae
2. Rhodophyceae and Phaeophyceae
3. Chlorophyceae and Rhodophyceae
4. Phaeophyceae only
Subtopic:  Pheophyceae: Brown Algae |
 84%
Level 1: 80%+
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Which of the following are homosporous pteridophytes?

I. Selaginella
II. Lycopodium
III. Salvinia
IV. Equisetum

1. I and IV only
2. II and III only
3. II and IV only
4. III and IV only

Subtopic:  Pteridophytes |
 86%
Level 1: 80%+
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Pick the correct group consisting of all genera exhibiting homospory.

1.  Lycopodium, Psilotum, Selaginella, Equisetum
2. Equisetum, Pteris, Salvinia, Psilotum
3. Salvinia, Pteris, Lycopodium, Selaginella
4. Equisetum, Psilotum, Lycopodium, Pteris
Subtopic:  Pteridophytes |
 85%
Level 1: 80%+
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In the given diagrams, some of the algae have been labelled as A, B, C, D and E. Choose the correct option to identify these algae.

A B C D E
1. Dictyota Polysiphonia Porphyra Fucus Laminaria
2. Porphyra Dictyota Laminaria Fucus Polyspiphonia
3. Dictyota Polysiphonia Porphyra Laminaria Fucus
4. Fucus Porphyra Dictyota Polysiphonia Laminaria
Subtopic:  Chlorophyceae: Green Algae: I | Pheophyceae: Brown Algae | Rhodophyceae: Red Algae and Importance of Algae | Chlorophyceae: Green Algae |
 76%
Level 2: 60%+
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Classical Taxonomy is based on

1. morphological traits
2. habitat of organisms
3. similarities and dissimilarities of behaviour
4. phylogeny
Subtopic:  Classification System: I | Classification System |
 56%
Level 3: 35%-60%
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