Biological Clas...

Peritrichous bacteria have ________.

Fungi show sexual reproduction by all of the following processes except

Select the correct option with respect to the fungi forms the fruiting body in which reduction division occurs.

Methanogens are _______________.

Plant group more sensitive to the levels of sulphur dioxide in air is?

Which of the following is not a true fish ?

Rhodopseudomonas and Rhodospirillum are ______________.

Obligate anaerobic archaebacteria with chemoautotrophic mode of nutrition are ____________.

Animals do not show diversity in ______.

Select the correct statements among the following (i-iv) regarding the characteristics of certain organisms.
(i) Methanogens are archaebacteria which produce methane in marshy areas.
(ii) Nostoc is a filamentous blue-green alga which fixes atmospheric nitrogen.
(iii) Chemosynthetic autotrophic bacteria synthesize cellulose from glucose.
(iv) Mycoplasma lack a cell wall and can survive without oxygen.