Q. Neiris belong to class

View solution

Q. Animals of division Radiata are

View solution

Q. Mesoderm is derived from wall of developing gut (archentron) in series

View solution

Q. Bony fishes have brain which is composed of 10 pains of

View solution

Q. Lower jaw of mammals is composed of only one

View solution

Q. Body of mammals is covered by

View solution

Q. Cleavage in which planes of cleavage are symmetrical to polar axis and produce tiers of cells is radial and

View solution

Q. There are four bands of muscles in Nematodes, two are dorso-lateral and two

View solution

Q. Biologists believe that mammals have been evolved from their reptilian ancestors they

View solution

Q. Generations reproduced sexuallly and asexually in coelenterates, are

View solution

Q. Annelids have specialized structure for excretion called

View solution

Q. Amphibians are poikilothermix, therefore they use to hibernate in

View solution

Q. Embryo of Taenia is inside egg and contain chitinous hook that are in number

View solution

Q. An example of marine colonial that exhibits alternation of generations is

View solution

Q. Skeleton of sponges is composed of needle-like structures called

View solution

Q. Tasmania wolf found in Australia belong to class metatheria and termed as

View solution

Q. Glandular epithelia envelope which secretes calcareous shell is called

View solution

Q. Digestive system of nematodes have two openings and in form of

View solution

Q. Digestive system of sharks and rays is

View solution

Q. Blood of arthropods is colorless due to lack of

View solution