Charophytes are the only living algae that share distinctive derived traits with land plants that other algae don’t. All the following will be examples of such derived traits except:
1. Rings of cellulose-synthesizing proteins
2. Structure of flagellated sperms
3. Formation of a phragmoplast
4. Presence of chlorophyll a and b

Subtopic:  Chlorophyceae: Green Algae: I |
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In the given diagram of the green alga Chara, the parts labeled A and B respectively are called :

  

1. Nucule and Globule
2. Globule and Nucule
3. Antheridium and Archegonium
4. Archegonium and Antheridium

Subtopic:  Chlorophyceae: Green Algae: I |
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In the life cycle of a moss, the sporphytic generation is represented by all the following except:

1. Oospore 2. Spore
3. Sporogonium 4. Spore mother cell
Subtopic:  Bryophytes |
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Identify the incorrectly matched row:

 

Character

Gymnosperm

Angiosperm

1.

Xylem

Tracheids only

Mainly vessels

2.

Pollination agency

Water only

Various

3.

Female gametophyte

Relatively large with distinct Archegonia

8-nucleate embryo sac

4.

Endosperm

Haploid

Triploid

Subtopic:  General Accounts of Gymnosperms: II | General Account of Angiosperms (OLD NCERT) |
 65%
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Aplanogametes [gametes that do not have flagella] are the special features of:
1. Spirogyra and Zygnema
2. Spirogyra and Vaucheria
3. Ulothrix and Zygnema
4. Chlamydomanas and Ulothrix

Subtopic:  Algae |
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Match each item in column I with one in Column II and select the correct answer from the codes given below:

Green alga

Feature

A. Chlamydomanas

a. Spiral chloroplasts

B. Volvox

b. Coenobium with two kinds of cells

C. Hydrodictyon

c. Palmella stage

D. Spirogyra

d. Non motile colony

Codes:

A B C D
1. a d b c
2. a b c d
3. c b a d
4. c d a b
Subtopic:  Chlorophyceae: Green Algae |
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The term ‘seaweeds’ is used to describe several macroscopic, multicellular marine algal species belonging to:

I. Chlorophyceae
II. Phaeophyceae
III. Rhodophyceae

1. I and II only 2. I and III only
3. II and III only 4. I, II and III
Subtopic:  Algae |
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The given pattern of life cycle will be seen in:

1. Spirogyra 2. Fucus
3. Ectocarpus 4. Polysiphonia
Subtopic:  Life Cycle Patterns in Plants (OLD NCERT) |
 59%
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The given pattern of life cycle will be seen in:

1. Spirogyra 2. Fucus
3. Ectocarpus 4. Polysiphonia
Subtopic:  Life Cycle Patterns in Plants (OLD NCERT) |
 60%
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The given pattern of life cycle will be seen in:

1. Spirogyra 2. Fucus
3. Chlamydomanas 4. Polysiphonia
Subtopic:  Life Cycle Patterns in Plants (OLD NCERT) |
 63%
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