Q. No.The leaf-like photosynthetic organ in brown algae is called as:
1. Holdfast
2. Stipe
3. Frond
4. Rhizoid
1. Holdfast
2. Stipe
3. Frond
4. Rhizoid
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
What is not true for mosses?
| 1. | Sporophyte is less elaborate than liverworts |
| 2. | Protonema stage develops directly from a spore |
| 3. | Leafy stage develops from a secondary protonema as a lateral bud |
| 4. | They are attached to soil through multicellular and branched rhizoids |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Antheridium of bryophytes produce _______ antherozoids.
| 1. | Non-motile | 2. | Uni-flagellate |
| 3. | Biflagellate | 4. | Ciliate |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Identify the incorrect statement regarding green algae:
1. Major pigments are chlorophyll a and b
2. Stored food is floridean starch
3. Cellulosic cell wall
4. 2-8, equal and apical flagellar insertions
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
How many of the given features will be true for brown algae:
I. Presence of xanthophylls
II. A gelatinous coating of algin on cell wall
III. A centrally placed vacuole in plastids
IV. Ribbon shaped biflagellate zoospores
| 1. | 1 | 2. | 2 |
| 3. | 3 | 4. | 4 |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Artificial systems of classification give equal weightage to vegetative and sexual characteristics which is not acceptable because:
1. Only the sexually characters are genetically determined
2. Vegetative characters are more easily affected by environment
3. Sexual characters are not easily observable in living beings
4. Vegetative reproduction is equally common as sexual reproduction
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Which of the following is not an example of red algae?
1. Polysiphonia
2. Porphyra
3. Gracilaria
4. Laminaria
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
What is the function of the gemmae produced by some liverworts?
1. a water gathering structure
2. a light gathering structure
3. a sexual structure
4. an asexual structure
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The life cycle of Ectocarpus, Polysiphonia and kelps is:
1.Diplontic
2.Haplontic
3.Aplantic
4.Haplo-diplontic
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Bryophytes are attached to the substratum by rhizoids that are:
| 1. | Unicellular | 2. | Multicellular |
| 3. | Acellular | 4. | Unicellular or multicellular |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
© 2024 GoodEd Technologies Pvt. Ltd.