1. bacteria
2. viruses
3. protozoan
4. None of these
viruses
1. chorio allontoic membrane
2. tobacco pith
3. parenchyma
4. phloem
chorio allontoic membrane
1. they kill all bacteria, which act as host of virus
2. viruses are too small in size for antibiotics to act upon them
3. viruses show no metabolism of their own
4. viruses produce a thick covering and encyst themselves as endospores
viruses show no metabolism of their own
1. naked RNA molecules only
2. naked DNA molecules only
3. naked DNA packaged with viral genomes
4. satellite RNA packaged with viral genome
naked RNA molecules only
1. tornaria
2. glochidium
3. Bipinnaria
4. Nauplius
tornaria
1. earthworm
2. sew star
3. acorn worms
4. apple snail
acorn worms
1. proboscis
2. collar
3. trunk
4. entire body.
collar
1. open
2. closed
3. absent
4. highly specialized.
open
1. collar, head, tail, endplate, tail fibre
2. head, collar, endplate, tail, tail fibre
3. head, endplate, tail fibre, collar, tail
4. head, collar, tail, endplate, tail fibre
head, collar, tail, endplate, tail fibre
1. cutaneous
2. branchial
3. tracheal
4. pulmonary.
branchial