Q. No.Match each item in Column I with one in Column II and select the correct match as your answer from the coders given:
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
[Classification method]
[Feature used]
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
Identify the incorrectly matched pair:
| Alga | Sexual reproduction | |
| I: | Ulothrix | Isogamous; non-flagellated gametes |
| II: | Spirogyra | Isogamous; flagellated gametes |
| III: | Udorina | Anisogamous |
| IV: | Fucus | Oogamous |
| 1. | Only III | 2. | I, II and III |
| 3. | Only I and II | 4. | Only III and IV |
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
| I: | Algin is a hydrocolloid derived from brown algae |
| II: | Carrageen is a hydrocolloid derived from green algae |
| III: | Agar is a complex polysaccharide derived from red algae, Gelidium and Gracilaria |
1. I is correct; II is incorrect; III is incorrect
2. I is incorrect; II is correct; III is correct
3. I is incorrect; II is correct; III is incorrect
4. I is correct; II is incorrect; III is correct
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
Which of the following is not an example of an edible alga?
| 1. | Porphyra | 2. | Laminaria |
| 3. | Sargassum | 4. | Amanita |
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
| Column I | Column II | |
| 1. | Main photosynthetic pigment | Chlorophyll a, b |
| 2. | Cell wall | Inner layer of cellulose and outer layer of pectose |
| 3. | Stored food | Starch |
| 4. | Flagellar number and insertion | 2-8. unequal. basal |
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
| 1. | Major pigments are chlorophyll a, c, fucoxanthin |
| 2. | Food is stored as complex carbohydrates which may be in the form of Laminarin or Mannitol |
| 3. | Vegetative cells have chitinous wall usually covered on the outside by a gelatinous coating of algin |
| 4. | Flagellar number and insertions are 2, unequal and lateral |
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
| 1. | Frond | 2. | Stipe |
| 3. | Holdfast | 4. | Rhizoid |
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
Sexual reproduction is oogamous and accompanied by complete post-fertilization developments in the members of:
| 1. | Chlorophyceae |
| 2. | Phaeophyceae |
| 3. | Rhodophyceae |
| 4. | Both Chlorophyceae and Phaeophyceae |
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
| 1. | Red algae | 2. | Green algae |
| 3. | Brown algae | 4. | Blue green algae |
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
| 1. | They are dependent on water for sexual reproduction. |
| 2. | Archegonium is flask shaped and produces multiple eggs. |
| 3. | Sporophyte is attached to the photosynthetic gametophytes and derives nourishment from it. |
| 4. | The antherozoids are released into water. |
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
© 2026 GoodEd Technologies Pvt. Ltd.