Multiple Choice QuestionsIn the five-kingdom classification, Chlamydomonas and Chlorella have been included in
Protista
Algae
Plantae
Plantae
Organisms called Methanogens are most abundant in a
cattle yard
polluted stream
hot spring
hot spring
Continuous addition of sugars in 'fed-batch' fermentation is done to
obtain antibiotics
purify enzymes
degrade sewage
degrade sewage
In eubacteria, a cellular component that resembles eukaryotic cells is
nucleus
ribosomes
cell wall
cell wall
Which one of the following animals is correctly matched with its particular named taxonomic category?
Cuttlefish - Mollusca, a class
Humans - Primata, the family
Housefly - Musca, an order
Housefly - Musca, an order
Which one of the following is wrongly matched?
Puccinia - Smut
Root - Exarch protoxylem
Cassia - Imbricate aestivation
Cassia - Imbricate aestivation
Virus envelope is known is
capsid
virion
nucleoprotein
nucleoprotein
A.
capsid
Structurally viruses are very diverse varying composition. The nucleic acid of the virus is always located within the virion particle nd surrounded by protein molecules called structural subunits. The complete complex of nucleic acid and proteins, packaged in the virion is called the virus nucleocapsid.
Select the correct combination of the statement (A-D) regarding the characteristics of certain organisms.
A. Methanogens are Archaebacteria, which produce methane in marshy areas.
B. Nostoc is a filamentous blue-green algae, which fixes atmospheric nitrogen.
C. Chemosynthetic autotrophic bacteria synthesise cellulose from glucose.
D. Mycoplasma lacks a cell wall and can survive without oxygen.
B, C
A, B,C
B, C, D
B, C, D
Which one of the following has haplontic life cycle?
Funaria
Polytrichum
fully developed foetus and placenta
fully developed foetus and placenta
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