All the following are characteristics of bryophytes except:
1. spore producing
2. dominant gametophyte
3. lignified tissues
4. producing antheridium and archegonium
Oogamous sexual reproduction is seen in:
1. | Ulothrix | 2. | Spirogyra |
3. | Udorina | 4. | Fucus |
The gymnosperms, Pines, are unique because they produce:
1. | leaves in fascicles | 2. | true leaves |
3. | cones | 4. | archegonia |
The bryophytes liverworts are so named as they are an example of:
1. a plant that causes warts
2. a plant that cures liver diseases
3. the Doctrine of Signatures
4. a plant that causes warts, cures liver diseases and is an example of Doctrine of Signatures
The classification system given by Bentham and Hooker is a/an:
1. Artificial system
2. Natural system
3. Phylogenetic system
4. Useless system
Which of the following is not true regarding algae?
1. Thallophytes that contain chlorophyll
2. Autotrophic
3. Body made of pseudo-parenchyma
4. Cellulosic cell wall
The developing capsule of some mosses is protected by the:
1. operculum
2. calyptra
3. seta
4. peristome teeth
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
The bryophyte with most economic importance will be:
1. | peat moss | 2. | liverwort |
3. | hornwort | 4. | Polytrichum |
The gametes are pyriform and bear two laterally attached flagella in:
1. | Chlorophyceae | 2. | Phaeophyceae |
3. | Rhodophyceae | 4. | All algae |