Q. No.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
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
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
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 |
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 |
The given pattern of life cycle will be seen in:
| 1. Spirogyra | 2. Fucus |
| 3. Ectocarpus | 4. Polysiphonia |
The given pattern of life cycle will be seen in:
| 1. Spirogyra | 2. Fucus |
| 3. Ectocarpus | 4. Polysiphonia |
The given pattern of life cycle will be seen in:
| 1. Spirogyra | 2. Fucus |
| 3. Chlamydomanas | 4. Polysiphonia |
Match each item in Column I with one in Column II and select the correct answer from the codes given:
|
Column I |
Column II |
|
A. Floridean starch |
a. It is created by photosynthesis and is made up of β(1→3)-glucan with β(1→6)-branches |
|
B. Laminarin |
b. An α-linked glucose polymer with a degree of branching intermediate between amylopectin and glycogen |
|
C. Mannitol |
c. A sugar alcohol, an isomer of sorbitol |
Codes
| A | B | C | |
| 1. | a | b | c |
| 2. | a | c | b |
| 3. | b | a | c |
| 4. | c | b | a |
In the given diagram of Funaria, what are A, B, C and D respectively?
1. Sporophyte, Gametophyte, Female branch, Male branch
2. Gametophyte, Sporophyte, Female branch, Male branch
3. Sporophyte, Gametophyte, Male branch, Female branch
4. Gametophyte, Sporophyte, Male branch, Female branch
The given diagram shows:
| 1. Male thallus of Marchantia 2. Female thallus of Marchantia 3. Sphagnum sporophyte 4. Sphagnum gametophyte |
 |
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