Earthworms are ______________.
usefull
harmfull
more usefull than harmfull
more harmfull
Which of the following is not found in birds?
Hindlimb
pectoral girdle
pelvic girdle
Forelimb
Which one of the following characters is typical of the class - Mammalia?
seven cervical vertebrae
Thecodont dentition
all the three
Alveolar lungs
Ascaris lumbricoides infection spreads by ______________.
sole of uncovered feet
contaminated cooked measly pork
improperly cooked measly pork
air through inhalation
In which animal, dimorphic nucleus is found?
Amoeba
Trypanosoma gambiense
plamodium vivax
paramecium caudatum
The organisms attached to the substratum generally, possess ________________.
radial symmetry
one single opening of digestive canal
asymmetrical body
cilia on surface to create water current.
Adult culex and Anopheles can be distinguished with the help of _________________.
mouth parts / colour
sitting posture
antennae / wings
feeding habits
