In the light of recent classification of living organisms into three domains of life (bacteria, archaea and eukarya), which one of the following statements is true about archaea?
Options
(a) Archaea resemble eukarya in […]
All of the following statements concerning the actinomycetous filamentous soil bacterium Frankia are correct except that Frankia
Options
(a) can induce root nodules on many plant species (b) can fix nitrogen in the […]
Which of the following microorganism is the smallest living cell without cell wall
Options
(a) virus (b) Archaebacteria (c) Mycoplasma (d) Eubacteria
Correct Answer:
Mycoplasma
Explanation:
Mycoplasmas are ” A genus of aerobic to facultatively […]
In the five kingdom classification, Chlamydomonas and Chlorella have been included in
Options
(a) Protista (b) Algae (c) Plantae (d) Monera
Correct Answer:
Protista
Explanation:
All prokaryotic organisms were grouped together under Kingdom Monera […]
Which of the following environmental conditions are essential for optimum growth of Mucor on a piece of bread
Options
(a) I Temperature of about 25°C (b) II. a shady place (c) III.Relative humidity of […]
As we go from species to kingdom in a taxonomic hierarchy, the number of common characteristics
Options
(a) will decrease (b) will increase (c) remain same (d) may increase or decrease
Correct Answer:
will […]
Human immuno deficiency virus (HIV) has a protein coat and a genetic material which is
Options
(a) double stranded RNA (b) double stranded DNA (c) single stranded DNA (d) single stranded RNA
Correct […]
Heterothallism in fungi was discovered by
Options
(a) Blakeslee (b) de Bary (c) Pontecarvo (d) Micheli
Correct Answer:
Blakeslee
Explanation:
Heterothallism is phenomenon when fungi shows fusion of gametes which belong to genetically, […]
Fungi differ from other kingdom in being
Options
(a) unicellular decomposers (b) unicellular consumers (c) multicellular decomposers (d) multicellular consumers
Correct Answer:
multicellular decomposers
Explanation:
Fungi differ from other kingdoms is being multicellular […]
Food Poisoning is due to
Options
(a) Salmonella typhosa (b) Clostridium botulinum (c) Clostridium tuminaceae (d) Synchytrium endobioticum
Correct Answer:
Clostridium botulinum
Explanation:
Clostridium is a large genus of Gram-positive bacteria, belonging to […]
2017 Copyright Doctor Dreams Training Academy