Chapter: Biological Classification

African sleeping sickness is caused by

Which is correct for bacteria?

Contagium vivum fluidum concept of virus was proposed by

Read the following statements regarding archaebacteria and select the correct option
I. Archaebacteria differs from other bacteria in having different cell wall structure
II. Their cell wall is made up of cellulose and contains high amount of unsaturated fatty acid, which is responsible for their survival in extreme conditions
III. Thermoacidophiles have dual ability to tolerate high temperature as well as high acidity

In addition to absence of chlorophyll, what is the other difference between fungi and higher plants?

Kingdom-Protista includes

Slime moulds in the division-Myxomycota (true slime moulds) have

The protein coat of a virus/is known as

The fungus without mycelium is

Which of the following does not belong to the kingdom-Protista?

Which one of the following is a matching pair of certain organism (s) and the kind of association?

The plant cell have an eukaryotic structure with prominent …A… and cell wall is made up of …B…. Identify the correct options for A and B to complete the given statement

The genetic material of viruses consists of

Which one of the following is having ssRNA?

F-factor in bacteria is

Regarding sexual reproduction in fungi. Which of the following statement is correct?

Black rust of wheat is a fungal disease caused by

Which of the following bacteria are responsible for the production of biogas from the dung of cows and buffaloes?

Which of the following environmental conditions are essential for optimum growth of Mucor on a piece of bread?
I. Temperature of about 25°C
II. Temperature of about 5°C
III. Relative humidity of about 5%
IV. Relative humidity of about 95%
V. A shady place
VI. A brightly illuminated place

The smallest free-living organism is

Which statement is correct for bacterial transduction?

Contractile vacuole is absent in

The wall of bacteria consist of

I. Noctiluca is a colourless dinoflagellates, which is an important constituent of coastal plankton of both temperate and tropical seas
II. The cellular slime moulds have the characters of both plants and animals
Which of the statements given above is/ are correct?

Isogamous means

Dikaryon formation is the characteristic feature of

Choose the correct statements (i – v) regarding mycoplasma
(i) Mycoplasma has no cell wall.
(ii) Mycoplasma is the smallest living organism known.
(iii) Mycoplasma cannot survive without \(\begin{align}{{O}_{2}}\end{align}\).
(iv) Mycoplasma are pathogenic in animals and plants. (v) A sort of sexual reproduction occurs in bacterium by adopting a primitive DNA transfer from one bacterium to the other.

Which of the following pigment is present in cyanobacteria?

Which scientist classified plants into trees, shrubs and herbs and animals into two groups based on absence or presence red blood cells?

DIRECTIONS: Each of these questions contains an assertion followed by reason. Read them carefully and answer the question on the basis of following options. You have to select the one that best describes the two statements.
Assertion Euglena can be placed in the plant kingdomdue to the presence of chlorophyll.
Reason Euglena cannot be classified on the basis of two kingdom system of classification