General
✓✗Which one of the following plants is monoecious?
- Marchantia
- Cycas
- Pinus
- Papaya
General
✓✗Match the items in Column I with those in Column II.
Select the correct answer from the following.
| Column I | Column II |
| A. Peritrichous flagellation | J. Ginkgo |
| B. Living fossil | K. Macrocystis |
| C. Rhizophore | L. Escherichia coli |
| D. Smallest flowering plant | M. Selaginella |
| E. Largest perennial alga | N. Wolffia |
- A-J, B-K, C-N, D-L, E-M
- A-N, B-L, C-K, D-M, E-J
- A-L, B-J, C-M, D-N, E-K
- A-K, B-J, C-L, D-M, E-N
General
✓✗Volvox, Ulothrix and Chlamydomonas respectively show which forms of algal thallus?
- Colonial, filamentous and unicellular
- Colonial, unicellular and filamentous
- Filamentous, colonial and unicellular
- Unicellular, filamentous and colonial
General
✓✗A gymnospermic leaf carries 16 chromosomes. The number of chromosomes in its endosperm will be
- 8
- 16
- 12
- 24
General
✓✗Laminaria and Fucus belong to
- Chlorophyceae
- Rhodophyceae
- Cyanophyceae
- Phaeophyceae
General
✓✗Which of the following algae show a haplo-diplontic life cycle?
- Ectocarpus, Polysiphonia and kelps
- Chlamydomonas and Ulothrix only
- Fucus and Sargassum only
- Volvox and Spirogyra only
General
✓✗Isogamous condition with non-flagellated gametes is found in
- Volvox
- Spirogyra
- Chlamydomonas
- Fucus
General
✓✗A well-developed archegonium with a neck consisting of 4-6 rows and neck canal cells characterises
- bryophytes and pteridophytes
- gymnosperms only
- pteridophytes and gymnosperms
- gymnosperms and flowering plants
General
✓✗In Cycas, the male cones and the megasporophylls are borne
- on the same tree
- on different trees
- in the same strobilus
- on the same branch
General
✓✗From which of the following algae is agar commercially extracted? (a) Gracilaria (b) Fucus (c) Sargassum (d) Gelidium (e) Turbinaria
- (a) and (d)
- (b) and (c)
- (d) and (e)
- (c) and (e)
General
✓✗The main plant body of a bryophyte is
- a haploid gametophyte
- a diploid gametophyte
- a diploid sporophyte
- a triploid structure
General
✓✗Which one is a wrong statement?
- Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms.
- Mucor has biflagellate zoospores.
- Brown algae have chlorophyll a and c and fucoxanthin.
- Haploid endosperm is a typical feature of gymnosperms.
General
✓✗Multiflagellated antherozooids can be traced in
- Marchantia and Riccia
- Riccia and Cycas
- Riccia, Marchantia and Funaria
- Ginkgo, Pteris and Cycas
General
✓✗Pyrenoids are commonly found in
- red algae
- brown algae
- green algae
- blue-green algae
General
✓✗Peristome of Funaria consist of
- 16 teeth only
- 16+16 teeth
- 32+16 teeth
- 16+32 teeth