Sterptomyces are important source of antibiotics. Match the various species of this bacterium in COLUMNN I with the antibiotics derived in COLUMN II and select the correct answer from the codes given below:

	COLUMN I		COLUMN II
A	S. griseus	a	Chloromycetin
B	S. venezualae	b	Streptomycin
C	S. rimosus	c	Erythromycin
D	S. eryhtreus	d	Terramycin

Codes
   A B C D
1. b a d c
2. a b d c
3. a b c d
4. b a c d

Zooxanthellae, symbionts with corals, belong to:
1. Desmids
2. Dinoflagellates
3. Ascomycetes
4. Cynobacteria

There are some fundamental differences between archaebacteria and eubacteria. Which of the following is not correct?

Match the name of scientist in Column I with the classification system in Column II and select the correct answer from the codes given:

Codes
   A B C D
1. a b c d
2. b a d c
3. a b d c
4. b a c d

Match the thallus growth form of the lichen with its name and select the correct answer from the codes given:

Codes
   A B C D
1. a b c d
2. b a d c
3. a b d c
4. b a c d

Dolipore septum and clamp connections are features seen in the members of the fungal class:
1. Ascomycetes
2. Phycomycetes
3. Basidiomycetes
4. Deuteromycetes

Identify the incorrectly matched pair:

Identify the incorrectly matched pair:

The given diagram shows a schematic representation of:

Consider the given two statements:

1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct but II is incorrect
4. Both I and II are incorrect