MCQ – Practice Test- Chapter2-Biological Classification

Highly resistant thick walled spores produced by bacterial cells during unfavourable conditions are called as

Thermus aquaticus is a species of bacteria found living in the hot springs in Yellowstone National Park. Hot springs typically are areas characterized by low oxygen levels, low light levels and high concentrations of sulfur and calcium carbonate.

Lichens are important in the studies on atmospheric pollution because they

Bacterial ribosomes are found

Which class of protozoa is totally parasitic?

Lichen do not grow in cities because of the

A semi-parasite relationship between the algal and fungal components of a lichen is termed as

Cell of Amoeba is

It is difficult to make anti-viral drugs because

The absence of cell wall but the presence of Golgi body and ribosomes in a unicellular organism indicates that it belongs to

An algal culture is grown and two different species of protozoans A and C are inoculated into the culture which feeds on algae. For the time period during which algae is not acting as a limiting factor, protozoan A reproduces asexually once every hour and protozoan C reproduces one every 1.5 hours. 

Why are protozoans regarded as primitive animals?

Bovine spongiform encephalopathy is a disease caused by prions in

An example of tumour inducing RNA virus is

Methanogens can be found

Read the following statements about four kinds of microorganisms P, Q, R, and S.

In order to attack a host cell

CJD caused by

Lichens multiply by

Which of the following is unicellular?

The structure(s) found in chlamydomonas but not in amoeba is/are:

Match the following lists.

Study the following lists.

Select the true statements out of the following.