General
✓✗Which one of the following is incorrectly matched?
- Root pressure-guttation
- Puccinia-smut
- Root-exarch protoxylem
- Cassia-imbricate aestivation
General
✓✗Which is true about malarial parasite?
- It is found in salivary glands of mosquito only
- After erythrocytic cycle gametes are formed
- Release of trophozoites accompanied with fever
- Sporogony starts in stomach cavity of mosquito
General
✓✗Which of the following is most used in genetic engineering?
- E-coli and Agrobacterium
- Mycobacteria and Salmonella
- Aspergillus
- Penicillium
General
✓✗Bivalved siliceous shell or frustule occur in
- Diatoms
- Radiolarians
- Zooflagellates
- Archaebacteria
General
✓✗Which bacteria are responsible for producing methane in bio-gas fermenter -
- Cyanobacteria
- Archaebacteria
- Pseudomonas
- Mycelial bacteria
General
✓✗Branched conidiophores are found in
- Penicillium
- Rhizopus
- Ustilago
- Saccharomyces
General
✓✗All fungi differ from algae in
- lacking chlorophyll and in having cell wall which is chitinized
- lacking unicellular forms
- lacking motile ciliated gametes
- being coenoctic
General
✓✗Curing of tea leaves is brought about by the activity of
- fungi
- bacteria
- mycorrhiza
- viruses.
General
✓✗Bacterial cell includes all except
- Nuclear material without membrane
- Cell wall of murein
- DNA compound with histones
- Ribosomes
General
✓✗Pick up the wrong statement.
- Some fungi are edible.
- Nuclear membrane is present in Monera.
- Cell wall is absent in Animalia.
- Protists have photosynthetic and heterotrophic modes of nutrition.
General
✓✗Fungi are ecologically important because
- They yield antibiotics
- They are used in genetic studies
- They function as decomposers
- All the above
General
✓✗The conversion of plasmasol into plasmagel and vice versa is
- Bio-chemical phenomenon
- Physio-chemical phenomenon
- Chemical phenomenon
- Physical phenomeono
General
✓✗Pigment-containing membranous extensions in some cyanobacteria are
- Heterocysts
- Basal bodies
- Pneumatophores
- Chromatophores
General
✓✗Photosynthetic prokaryotic is -
- Rhizobium
- Nostoc
- Pseudomonas
- Staphylococcus
General
✓✗The bacteria generally used for genetic engineering is
- Agrobacterium
- Bacillus subtilis
- Pseudomonas
- Clostridium