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WorksheetsBiological classification
Total questions: 10
Worksheet time: 3mins
1.which of the following is true about blue-green algae?
They have chlorophyll b as a pigment
The colonies are generally surrounded by gelatinous sheath
They cannot fix atmospheric nitrogen
All of the above statements are true.
2. Choose the correct match.
Photosynthetic autotrophs-Nutrient recycling
Chemosynthetic autotrophs-Nitrogen fixation
Heterotrophic bacteria- Production of antibiotics
Mycoplasma -Production of curd
According to five -kingdom classification, unicellular eukaryotic organism were classified in
Fungi
Protista
Monera
Plantae and Animalia
4.Methanogens are responsible for
Recycling of nutrients
Production of biogas
Production of blooms in polluted water
Production of nitrogen gas
Two organism of the same class but different families will be kept under the same
genera
species
order
family
6.Linnaeus evolved a system of nomenclature called
monomial
polynomial
vernacular
binomial
Bentham and Hooker gave which system of classification
Numerical
phylogenetic
Artificial
Natural
8.Genes of Tobacco Mosaic virus
Double stranded RNA
Single stranded RNA
Double stranded DNA
Proteinaceous
9. Plants that posses spores and embryo but lack vascular tissues and seeds
Rhodophyta
Bryophyta
Pteridophyta
Phaeophyta
10.Agar is commercially obtained from
Blue green algae
Brown algae
Red algae
Green algae
