Tube feet is the locomotory organ in
starfish
jelly fish
silver fish
Scoliodon
A.
starfish
Tube feet are extensible tubular processes bearing suckers and present in rows on the under surface of Echinoderms. These are connected internally with water vascular system. Each tube foot has an ampulla, a podium and a sucker. These are sensory structures that take part in adhesion, locomotion, respiration and food capturing.
Jelly fish is a member of Phylum- Coelenterata. Scoiliodon is a fish and silver fish is an arthropod.
Follicle Stimulating Hormone is secreted by
anterior lobe of pituitary
hypothalamus
gonads
poterior lobe of pituitary
'Adaptation' of eyes in dark is due to
depletionof vision pigment in rods
depletion of vision pigment in cones
repletion of vision pigment in rods
repletion of vision pigment in cones
Which part of an animal virus is not reproduced in multiple copies?
Capsid
Protein
Envelope
Ribosome
Which of the following vitamins is water soluble as well as an antioxidant?
Vitamin- B1
Vitamin-A
Vitamin-D
Vitamin-C
The blood of cockroach contains no respiratory pigment. It means that
respiration is anaerobic
cockroach does not respire
oxygen goes directly into tissues by diffusion
oxygen goes into tissue by intracellular capillary system
