Which of the following the box like calcareous test is found in:
Sea lily
Sea cucumber
Sand dollar
Sea star
What is the scientific name of pin worm or seat worm ?
Trichinella
Ancylostoma
Enterobius
Wuchereria
Sycon belongs to a group of animals, which of these are best described as:
Multicellullar having tissue organization, but no body cavity
Unicellular or acellular
Multicellular without any tissue organization
Multicellular with a gastrovascular system
Which one is a stalked echinoderm ?
Solaster
Echinocardium
Ophiura
Antedon
The ants make their path in a definite direction in a perfect manner of curves. It is due to sense of:
Vision
Smell
Touch
Intelligence
The coelomic fluid from the body surface of earthworm, keeps the skin moist. It omits out from:
Coelomic pores
Dorsal pores
Genital pores
Nephridiopores
What is the smaller longitudinal blood vessel in earthworm?
Dorsal blood vessel
ventral blood vessel
Sub neural vessel
Supra esophageal vessel
which of the following greatest harm done to wheat plants among insects.
Boll weevils
Hessian fly
Termites
Lac insect
What is the function of Aristotle lantern ?
Producing biolumniscence
Mastrication of food
Locomotary
Filter feeding
During starvation, one of the following cells becomes highly vacuolated in hydra.
Gland cells
Musculo epithelial cells
Musculo nutritive cells
Secretory cells