General
✓✗70S ribosomes, chromatophores, circular DNA, meso-somes are found in
- All eukaryotes
- All prokaryotes
- Some prokaryotes
- Some eukaryotes and some prokaryotes
General
✓✗One of the following organelle is absent in Amoeba?
- Golgi bodies
- Lysosomes
- True nucleus
- Centrioles
General
✓✗In which of the following diseases, jaws get locked ?
- typhoid
- botulinum
- tetanus
- all above
General
✓✗Transduction in bacteria is mediated by
- plasmid vectors
- phage vectors
- cosmids
- F-factors
General
✓✗Which bacteria are responsible for producing methane in bio-gas fermenter -
- Cyanobacteria
- Archaebacteria
- Pseudomonas
- Mycelial bacteria
General
✓✗Wheat rust of crucifer is caused by
- Albugo Candida
- Sclerospora
- Phytophthora infestans
- Pythium debaryanum
General
✓✗Which stain is used to distinguish Gram 
bacterium from a Gram Type?
bacterium from a Gram Type?- Eosin
- Crystal violet
- Hematoxylin
- Carmine
General
✓✗Sex plasmid occurs in
- Recipient bacteria
- Donar bacteria
- Bacteriophage
- Diplococus
General
✓✗Select the mismatch.
- Protists-Eukaryotes
- Methanogens-Prokaryotes
- Gas vacuoles-Green bacteria
- Large central vacuoles-Animals cells
General
✓✗The representatives of class Sporozoa of phylum Protozoa are generally characterized by
- Flagella
- Chlorophyll
- Parasitism
- Cilia
General
✓✗Bacteria lack alternation of generation because there is
- neither syngamy nor reduction division
- distinct chromosomes are absent
- no conjugation
- no exchange of genetic material
General
✓✗A distinct lipo-polysaccharide wall layer is found in
- Gram positive bacteria
- Gram negative bacteria
- All bacteria
- Mycoplasma
General
✓✗There is no alternation of generation in Escherichia coli because of there is no
- Syngamy
- Reduction division
- Conjugation
- Both (Syngamy) and (Reduction division)
General
✓✗Ethanol is commercially produced through a particular species of
- Aspergillus
- Saccharomyces
- Clostridium
- Trichoderma
General
✓✗Bacterial cell divides every one minute. It takes 15 min a cup to be one-fourth full. How much time will it take to fill the cup?
- 30 min
- 45 min
- 60 min
- 17 min