Fill up the black spaces appropriately
`{:("Phylum/Class","Excretory Organ","Circulatory Organ","Respiratiry Organ",),("Arthropoda",,,"Lungs/Gills/Tracheal System",),(,"Nephridia","Closed","Skin/Parapodia",),(,"Metanephridia","Open",,),("Amphibia",,"Closed","Lung",):}`

Fill up the blank spaces in the tabe below by selecting the correct option. {:("Phylum/Class","Excretory organ","Circulatory system","Respiratory organ"),("Arthropoda",A,B,"Lungs/Gills/Tracheal system"),(C,"Nephridia","Closed","Skin"),(D,"Methanephridia","Open",E):}

Phylums and related characteristics are given below . Choose an appropriate option which fills the blank spaces . {:("PHYLUM/CLASS","EXCRETORY ORGANS","CIRULATORY ORGANS","RESPIRATORY ORGANS"),("1 Arthropoda",A,"Open","Trachae"),("2 B","Metanephridia","Open","Gills"),("3 Amphibia",C,"Closed",D):}

Respiratory organs like gills, book gills, book lungs or tracheal system are found in phylum

Respiratory system plays an important role of enabling gas exchange and supply of oxygen to the animals. Although, the basic mechanism of the system remains same , animals display variation in their respiratory system. In the following columns match the animals with their organ for respiration. {:(,"Animal",," Respiratory"),(1,"Kangaroo",P,"Moist cuticle"),(2,"Pomfret ",Q,"Lungs"),(3,"Cockroach",R,"Gills"),(4,"Earthworm",S,"Tracheal tubes"):}

Fill in the blanks appropriately {:(" Organ","Excretory wastes"),((a)" Kidneys",............................),((b)" Lungs",............................),((c)" Liver",............................),((d)" Skin",............................):}

(a) The group of animals , commonly called as ' animals with jointed feet' are lilaterally symmetrycal, triploblastic , havin open circulatory system and possess antennary glands or green glands or malpighian tubules as excretory organs. Name the phylum to whcih they belong. (b) What are their fossil representation termed ? (c ) Name the largest class of this phylum having 3 pairs of legs and usually one or two pairs of wings on the thorax.

Which of the following statement is incorrect about the phylum Hemichordata ? (A) They are bilaterally symmetrical, triploblastic and coelomate animals. (B) Circulatory system is open type. (C) Excretory organ is proboscis gland (D) Fertilization is internal and development is indirect

(a) Identify figure A to D (b) Which one of them is (i) diploblastic , (ii) triploblastic ? (c) Which triploblastic animal is (i) Acoelomate (ii) Coelomate ? (d) Which one belong to phylum (i) Cnidaria , (ii) Platyhelminthes , (iii) Annelids , (iv) Arthropoda ? (e) Which one of them has (i) Organ level organism , (ii) Organ-system level organisation ? (f) Which one of them has excretory organs in the form of (i) Flame cells , (ii) Nephridia ? (g) Which one of them has trachea as the respiratory organ ?

The organ A which is located inside the skull of our body is protected by a bony box B and it is surrounded by three membranes C. the space between the membranes is filled with a liquid D which protects the organ A from mechanical shocks. The organ A in combination with another organ E makes up the central nervous system. (a) What is organ A? (b) What are (i) B (ii) C, and (iii) D ? (C) Name the organ E. (d) While walking barefooted, it we happen to step on a sharp piece of stone, we immediately lift our foot up. which of the two organs, A or E, is directly involves in this action? (e) If we step out from a darkened room into bright sunshine, we close our eyes for a moment. Which of the two organs, A or E, is directly involves in this action?