Consider the following statements regarding Mycoplasma:

I. They are a genus of bacteria that have a unique cell wall of their own.

II. In their genetic code UGA codes for tryptophan.

III. None of them is pathogenic to humans.

IV. They have a large genome.

V. They can be killed by penicillins.

VI. They can survive without oxygen

The number of correct statements is:

(1) 1

(2) 2

(3) 3

(4) 4

Which one of the following statements is wrong?

(1) Golden algae are also called desmids

(2) Eubacteria are also called false bacteria

(3) Phycomycetes are also called algal fungi

(4) Cyanobacteria are also called blue-green algae

Which of the following is a flowering plant with nodules containing filamentous nitrogen-fixing microorganism?

(1) Casuarina equisetifolia

(2) Crotolaria juncea

(3) Cycas revoluta

(4) Cicer arietinum

Cell wall is absent in

(1) Aspergillus

(2) Funaria

(3) Mycoplasma

(4) Nostoc

The characteristic features of the mycoplasma are that

(1) they are much smaller than bacteria in size

(2) they can be grown on cell free medium

(3) they are highly pleomorphic and are bounded by a triple layered unit membrane

(4) all of the above

Which of the following is correct match?

The outermost limiting layer of mycoplasma is made up of

(1) cell wall

(2) cell membrane

(3) mucilaginous sheath

(4) slime layer

The characteristic feature of eubacteria is -

------- mycoplasma are pathogenic in …….

Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?

1. Pseudomonas

2. Mycoplasma

3. Nostoc

4. Bacillus