(A) antiviral proteins

(B)antibacterial proteins

(C)anticancer proteins

(D)complex proteins

(A) Archaea resemble eukarya in all respects

(B)Archaea have some novel features that are absent in other prokaryotes and eukaryotes

(C)Archaea completely differ from both prokaryotes and eukaryotes

(D)Archaea completely differ from prokaryotes

(A) Neomycin

(B)Streptomycin

(C)Tetracycline

(D)Erythromycin

(A) episome

(B)mesosome

(C)ribosome

(D)microsome

(A) cyanobacterial symbiosis with some aquatic ferns

(B)gall formation on certain angiosperms by Agrobacterium

(C)nodulation of Sesbania stems by nitrogen fixing bacteria.

(D)plant growth stimulation by phosphate solublising bacteria

(A) Methanogens - Gobar gas

(B)Yeast - Ethanol

(C)Streptomycetes - Antibiotic

(D)Coliforms - Vinegar

(A) They are also called PPLO

(B)They are pleomorphic

(C)They are sensitive to penicillin

(D)They cause disease in plants

(A) marine archaebacteria

(B)thermophilic sulphur bacteria

(C)hot-spring blue-green algae (cyanobacteria)

(D)thermophilic, subaerial fungi

(A) Methanogens

(B)Nitrifying bacteria

(C)Ammonifying bacteria

(D)Denitrifying bacteria

(A) archaebacteria that contain protein homologous to eukaryotic core histones

(B)archaebacteria that lack any histones resembling those found in eukaryotes but whose DNA is negatively supercoiled

(C)bacteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondria.

(D)bacteria that contain a cytoskeleton and ribosomes