Which one of the following statements is incorrect?
In cockroaches and prawns excretion of waste material occurs through malpighian tubules.
In ctenophors, locomotion is mediated by comb plates.
In Fasciola flame cells take part in excretion
Earthworms are hermaphrodites and yet cross-fertilization takes place among them.
A.
In cockroaches and prawns excretion of waste material occurs through malpighian tubules.
Which one of the following sets of animals belongs to a single taxonomic group?
Cuttlefish, Jellyfish, Silverfish, Dogfish, Starfish
Bat, Pigeon, Butterfly
Monkey, Chimpanzee, Man
Silkworm, Tapeworm, Earthworm
Which one of the following statements is incorrect?
Mesoglea is present in between ectoderm and endoderm in Obelia.
Radial symmetry is found in Asterias
Which one of the following is oviparous?
Platypus
Flying fox
Elephant
Whale
Birds and mammals share one of the following characteristics as a common feature.
Pigmented skin
Alimentary canal with some modification
Vivipary
Warm-blooded nature
