General
✓✗Deuteromycetes are called “Fungi Imperfecti” due to
- Absence of chitinous cell wall
- Absence of sexual reproduction
- Presence of Chlorophyll
- Presence of cellulose cell wall.
General
✓✗Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?
- Pseudomonas
- Mycoplasma
- Nostoc
- Bacillus
General
✓✗Bacterial pathogens such as few strains of Escherichia coli, Campylobacter and Salmonella are responsible for diseases like
- diarrhoea
- whooping cough
- cholera
- diphtheria
General
✓✗Single-celled eukaryotes are included in
- Protista
- fungi
- archaea
- monera.
General
✓✗Assertion: Ciliated protozoans are actively moving organisms.
Reason: They have thousands of cilia whose coordinated movement also steers food-laden water into the gullet.
Reason: They have thousands of cilia whose coordinated movement also steers food-laden water into the gullet.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
- Assertion is true but Reason is false
- Both Assertion and Reason are false
General
✓✗Red algae and cyanobacteria possess the same pigments, which are
- carotenoids and xanthophylls
- chlorophyll a and phycobilins
- phycobilins and xanthophylls
- chlorophyll b and fucoxanthin
General
✓✗Cholera causing organism is
- comma-shaped
- spiral
- spirochaete
- rod-shaped
General
✓✗Which one of the following organisms is not an eukaryote?
- Paramecium caudatum
- Escherichia coli
- Euglena viridis
- Amoeba proteus
General
✓✗Lung tuberculosis is caused by
- Pseudomonas aeruginosa
- Mycobacterium tuberculosis
- Streptococcus pneumoniae
- Escherichia coli
General
✓✗Animal viruses may have
- only double-stranded DNA
- single or double-stranded RNA, or double-stranded DNA
- only single-stranded RNA
- both DNA and RNA
General
✓✗Which of the following is an example of crustose lichen?
- Parmelia
- Cladonia
- Usnea
- Graphis
General
✓✗Which one is NOT related to viroids?
- Potato spindle tuber disease
- T.O. Diener
- Free single-stranded RNA
- Creutzfeldt-Jakob disease
General
✓✗Which protozoan group includes Amoeba?
- Ciliated protozoans
- Amoeboid protozoans
- Flagellated protozoans
- Sporozoans
General
✓✗Chlorophyll ‘a’, C-phycocyanin and C-phycoerythrin are pigments of -
- Red algae
- Blue green algae
- Brown algae
- Green algae
General
✓✗Most of the fungi store their food matter as
- mannitol
- glycogen
- lipids
- mannan