Q. No.The gametes are pyriform and bear two laterally attached flagella in:
1.
Chlorophyceae
2.
Phaeophyceae
3.
Rhodophyceae
4.
All algae
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 sporangium of ferns is protected by a specialized structure called as the:
1. annulus
2. indusium
3. fiddlehead
4. sorus
Which of the following Greek root word means "naked" and hence gives name to plants like cycas and pines?
| 1. | angeion | 2. | sperm |
| 3. | gymnos | 4. | gynos |
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 red algae reproduce:
| 1. | asexually by non motile spores and sexually by non motile gametes |
| 2. | asexually by non motile spores and sexually by motile gametes |
| 3. | asexually by motile spores and sexually by non motile gametes |
| 4. | asexually by motile spores and sexually by motile gametes |
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.
Sexual reproduction takes place through non flagellated gametes that are similar in size in:
| 1. | Ulothrix | 2. | Spirogyra |
| 3. | Volvox | 4. | Fucus |
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 term ‘strobilus’ in a gymnosperm defines a:
| 1. | collection of megasporophylls |
| 2. | collection of microsporophylls |
| 3. | site of sporangial development |
| 4. | collection of megasporophylls, microsporophylls and/or a site of sporangial development |
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.
Female sex organs of gymnosperms are called:
| 1. | Archegonia | 2. | Female strobili |
| 3. | Megasporangium | 4. | Megasporophyll |
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 microstrobilus in gymnosperms represents the:
| 1. | "female" cone | 2. | megasporangium-bearing cone |
| 3. | pollen-bearing cone | 4. | none of these |
In angiosperms, one of the male gametes fuses with the secondary nucleus to produce:
1. Endosperm
2. Zygote
3. Embryo
4. Primary endosperm nucleus
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 algae:
| 1. | Algae contain chlorophyll |
| 2. | Algae are autotrophic |
| 3. | Body of an alga is composed of pseudoparenchyma and hyphae |
| 4. | Cell wall of an alga is composed of true cellulose. |
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.