Thigmotaxis is not shown by
Paramecium
Amoeba
Ascaris
Hydra
C.
Ascaris
Ascaris do not show thigmotaxis.
Amoeba shows thigmotaxis. On coming in contact with a solid object Amoeba generally avoid it by moving in a different by forming pseudopodia.
Hydra is known to respond to a variety of stimuli, both external and internal. On contact with a solid object other than a prey, the whole body usually contracts rather rapidly.
On contact with a hard solid object Paramecium induces avoiding response.
The process which cannot take place in the absence of viruses is
transformation
conjugation
translocation
transduction
In Whittaker's system of classification, prokaryotes belong to the kingdom
Monera
Protista
Animalia
Fungi
Which part of an animal virus is not reproduced in multiple copies?
Capsid
Protein
Envelope
Ribosome
Entamoeba histolytica differs from Amoeba in absence of
pseudopodia
contractile vacuole
nucleus
ectoplasm
Contractile vacuole in protozoan Amoeba is meant for
respiration
excretion
locomotion
osmoregulation