Diversity in Li...

Prokaryotic cells are smaller and simpler cells as compared to eukaryotic cells as they do not have a nucleus. Organisms of which of the following kingdoms have prokaryotic cells?

Which of the following bacteria live in marshy areas and are responsible for the production of biogas from the dung of certain ruminants?

According to Bergey's classification, cyanobacteria are oxygenic phototrophic bacteria. Which of the following is a genus of cyanobacteria?

Euglena is a one-celled eukaryote. Which of the following structures is absent in Euglena?

Which of the following bacteria oxidise the ammonium compounds into nitrites in the presence of free oxygen?

Many bacteria are harmful to humans in many ways. Which of the following bacteria is responsible for causing sore throat in humans?

Different protists possess different mechanisms for movement. Which of the following protists possesses flagella?

Consider the following statements and answer accordingly:

a. Fungi are chlorophyll-less organisms and cannot synthesise their own food.
b. Parasitic fungi absorb their food from the hosts by means of perithecia.

Various diseases are caused by different bacteria. Which of the following organisms causes enteritis in the intestine?

In which of the following sac fungi are the asexual spores or conidia not found?

Which of the following fungi is used for producing Penicillin, an antibiotic?

Fungi Imperfecti has several thousand known species. Which of the following species is responsible for causing early blight of potato?

Chlorophyll absorbs light energy for photosynthesis. Which of the following algae contains chlorophyll a and d, and phycoerythrin?

Species of which of the following lichens yield an important colouring material that is used to colour woollen and silk fabrics?

a. Rocella
b. Lecanora
c. Parmelia

In which of the following organisms of Phylum protozoa are locomotion and food catching organs cilia?