Association between Sucker Fish (Remora) and Shark is
Commensalism
Symbiosis
Predation
Parasitism
Which is not true amphibian animal_______
Salamander
Toad
Tortoise
Frog
Fire bellied toad is
Amphiuma
Discoglossus
Necturus
Salamandra
Typhlos is
Sea Snake
Glass Snake
Blind Snake
Grass Snake
Both male and female pigeons secrete milk through
Salivary glands
Modified sweat glands
Crop
Gizzard
Wish bone of birds is from
Pelvic girdle
Skull
Hind limbs
Pectoral girdle/ clavicles
Eutherians are characterised by
Hairy skin
True placentation
Ovoviviparity
Glandular skin
Onchosphere occurs in
Ascaris
Fasciola
Taenia
Planaria
Taenia saginata differs from Taenia solium in
Absence of scolex hooks
Absence of scolex hooks and uterine branching
Absence of scolex hooks and presence of both male and female reproductive organs
Presence of scolex hooks
Pheretima posthuma is highly useful as
Their burrows make the soil loose
They make the soil porous, leave their castings and take organic debris in the soil
They are used as a fish meal
They kill the birds due to bio-magnification of chlorinated hydrocarbons
Blood of Pheretima is
Blue with haemocyanin in corpuscles
Blue with haemocyanin in plasma
Red with haemoglobin in corpuscles
Red with haemoglobin in plasma
In hot summer and cold winter, the number of malaria cases as well as Anopheles declines, Reappearance of malaria in humid warm conditions is due to
Surviving malarial parasites in human carriers
Surviving sporozoites in surviving mosquitoes
Monkeys
Mosquito larvae in permanent waters
Malpighian tubules are
Excretory organs of insects
Excretory organs of annelids
Respiratory organs of insects
Respiratory organs of annelids
Kala–azar and Oriental sore are spread by
Housefly
Bed Bug
Sand Fly
Fruit Fly
Penguin occurs in
Australia
Antarctica
Africa
America