CBSE
Multiple Choice QuestionsWhich of the following are correctly matched with respect to their taxonomic classification?
Flying fish, cuttlefish, silverfish-Pisces
Centipede, millipede, spider, scorpion-insecta
House fly, butterfly tse-tse fly, silverfish-Insecta
House fly, butterfly tse-tse fly, silverfish-Insecta
One of the representatives of Phylum-Arthropoda is
cuttlefish
silverfish
pufferfish
pufferfish
The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the
thermoacidophiles
methanogens
eubacteria
eubacteria
Chrysophytes, euglenoids, dinoflagellates and slime moulds are included in the kingdom
Protista
Fungi
Animalia
Animalia
Which group of animal belongs to the same phylum?
Malarial parasite, Amoeba, mosquito
Earthworm, pinworm, tapeworm
Prawn, scorpion, Locusta
Prawn, scorpion, Locusta
Besides paddy fields, cyanobacteria are also found inside vegetative part of
Pinus
Cycas
Equisetum
Equisetum
The imperfect fungi which are decomposer of litter and help in mineral cycling belong to
Deuteromycetes
Basidiomycetes
Phycomycetes
Phycomycetes
Select the wrong statement
Isogametes are similar in structure, function and behaviour
Anisogamets differ either in structure, function and behaviour
In oomycetes female gamete is smaller and motile, while male gamete is larger and non-motile
In oomycetes female gamete is smaller and motile, while male gamete is larger and non-motile
Which of the following is wrongly matched in the given table?
| Microbe | Product | Application |
| Monascus purpureus | Statins | Lowering of blood cholesterol |
| Microbe | Product | Application |
| Streptococcus | Streptokkinase | Removal of clot from blood vessel |
| Microbe | Product | Application |
| Clostridium buylicum | Lipase | Removal of oil stains |
| Microbe | Product | Application |
| Clostridium buylicum | Lipase | Removal of oil stains |
Which of the following statements is wrong for viroids?
They are smaller than viruses
They cause infections
Their RNA is of high molecular weight
Their RNA is of high molecular weight
