General
✓✗Dendrochronology is the
- histological analysis of the annual rings signifying the age of a tree
- chemical analysis of the chlorophyll content in a plant
- statistical analysis of the amount of food prepared by the plant, the amount it used, and the quantity stored
- study of the light and the dark reactions of photosynthesis
General
✓✗Female cone of Pinus grows on
- dwarft shoot
- needle leaves
- long shoot
- undeveloped male cone
General
✓✗Rootless pteridophytes with rhizoides are included into
- Sphenopsida
- Psilopsida
- Pteropsida
- Lycopsida
General
✓✗Which one of the following is wrong about Chara?
- Upper oogonium and lower round antheridium
- Globule and nucule present on the same plant
- Upper antheridium and lower oogonium
- Globule is male reproductive structure
General
✓✗The plant group that produces spores and embryo but lacks vascular tissues and seeds is
- Pteridophyta
- Rhodophyta
- Bryophyta
- Phaeophyta
General
✓✗Which one has the maximum number of chromosomes?
- Marsilea
- Equisetum
- Ophioglossum
- Lycopodium
General
✓✗Ulothrix can be described as a
- filamentous alga lacking flagellated reproductive stages
- membranous alga producing zoospores
- filamentous alga with flagellated reproductive stages
- non-motile colonial alga lacking zoospores
General
✓✗Which among the following is called woody grass?
- Bamboos (Dendrocalamus)
- Aloes (Aloe sp)
- Date palm (Phoenix dactylifera)
- Rice (Oryza sativa)
General
✓✗Indusium is found in
- Algae
- Fronds
- Moss
- Cycas
General
✓✗An aquatic quadrifoliate pteridophyte is?
- Isoetes
- Marsilea
- Equisetum
- Ophioglossum
General
✓✗Conifers differ from grasses in the
- formation of endosperm before fertilization
- production of seeds from ovules
- lack of xylem tracheids
- absence of pollen tubes
General
✓✗Huxley is considered to be the founder of
- Classical systematic
- New systematic
- Phylogenetic system of classification
- Artifical system of classification
General
✓✗Angiosperms and gymnosperms resemble in having
- Vessel in wood
- Mode of fertilization
- Sessile and oblong leaflets
- Sessile endosperm
General
✓✗A gymnospermic leaf carries 16 chromosomes. The number of chromosomes in its endosperm will be
- 12
- 8
- 16
- 24
General
✓✗Algin is a phycocolloid, obtained from the cell wall of
- Macrocystis and Porphyridium
- Mastigocladus and Laminaria
- Microcystis and Nereocystis
- Macrocystis and Fucus