Animal Kingdom
Consider the following statements and Choose correct ones from given options.
(I) Shark do not have any bone in its body.
(II) Water snake and salamander belongs to same class and have largest RBC.
(III) Silver fish is a true fish while cuttle and star fishes are mollusks and echinoderms respectively.
(IV) Ornithorhynchus is a connecting link between reptiles and mammals.
I, II and IV
I and IV
I, II and III
III and IV
B.
I and IV
• Shark is a member of Chondrichthyes class, which is a cartilaginous fish.
• Water-snake is a reptile and salamander is an amphibian having largest RBC in the Animal Kingdom.
• Silverfish (Lepisma) is an arthropod, cuttlefish (Sepia) is a mollusc and starfish(Asterias) is an Echinodermata. So none of them is a true fish (Pisces).
• Omnithorhychus is a mammal which is also known as duck-billed platypus. It is a member of Monotremata order which is a connecting link between reptiles and mammals.
Sponsor Area
If you are given a specimen, what are the steps that you would follow to classify it?
How useful is the study of the nature of body cavity and coelom in the classification of animals?
Distinguish between intracellular and extracellular digestion?
What is the difference between direct and indirect development?
What are the peculiar features that you find in parasitic platyhelminthes?
What are the reasons that you can think of for the arthropods to constitute the largest group of the animal kingdom?
Water vascular system is the characteristic of which group of the following:
“All vertebrates are chordates but all chordates are not vertebrates”. Justify the statement.
How important is the presence of air bladder in Pisces?
What are the modifications that are observed in birds that help them fly?
Sponsor Area
Sponsor Area