The life cycle of Ectocarpus, Polysiphonia and kelps is:
1.Diplontic
2.Haplontic
3.Aplantic
4.Haplo-diplontic
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
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 this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Ecologically important first colonizers of rocks are:
1. | Lichens | 2. | Algae |
3. | Gymnosperms | 4. | Angiosperms |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Evolutionarily, the first terrestrial plants to possess vascular tissues are:
1. | Bryophytes | 2. | Pteridophytes |
3. | Gnetales | 4. | Cycads |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
All the following are characteristics of bryophytes except:
1. spore producing
2. dominant gametophyte
3. lignified tissues
4. producing antheridium and archegonium
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
What is not true regarding bryophytes?
1. Zygote undergoes reduction division immediately
2. Sporophyte is not free living
3. Haploid spores are produced by meiosis
4. The sex organs are multi-cellular
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
The bryophyte with most economic importance will be:
1. | peat moss | 2. | liverwort |
3. | hornwort | 4. | Polytrichum |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
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 this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
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 this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Female sex organs of gymnosperms are called:
1. | Archegonia | 2. | Female strobili |
3. | Megasporangium | 4. | Megasporophyll |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.