Which organisms are sometimes called the ” pastures of the sea”?
(A) Diatoms
(B) Radiolarians
(C) Dinoflagellates
(D) Foraminiferans
The wax present on the body of cockroach is secreted:
(A) Mucocytes
(B) Leucocytes
(C) Oenocytes
(D) Granulocytes
The bristles on the body of the cockroach arise from__________?
(A) Epidermis
(B) Trichogen cell
(C) Basement membrane
(D) Malpighian cell
Melanin pigment in cockroach is found in__________?
(A) Epicuticle
(B) Exocuticle
(C) Endocuticle
(D) All of these
Chitin in cockroach is absent in____________?
(A) Epicuticle
(B) Exocuticle
(C) Endocuticle
(D) All of these
In man which organisms cause abscesses on the skin of arms or legs?
(A) Ascaris
(B) Bacteria
(C) Ring worm
(D) Suinea worm
In all arthropods,the body is covered with a chittinous cuticle which is secreted by the____________?
(A) Endodermis
(B) Mesophyll
(C) Chitin
(D) Epidermis
The chloroplasts of diatoms and chrysophycean algae do not possess____________?
(A) Chloryphyllpigments
(B) Enzymes for photolysis
(C) Defined grana and stroma
(D) Carotenes with chlorophylls
Diatom frustule/ shell is made of_____________?
(A) Silica
(B) Calcium carbonate
(C) Manesium carbonate
(D) Both