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Animals are motile because they have
Echolocation is usually associated with
Who wrote the book Systema Naturae?
Which one of the following statements about certain given animals is correct?
The radially symmetrical cnidarians have a ______ body in two distinct layers
The cells absent in gastrodermis of Hydra are
All birds have
Tapeworm is
Sponges are ______ filter feeders.
Class bivalvia is characterized by
Silk thread is obtained from silk moth during
Silk fibre contains which proteins?
Reptilian feature of Archaeopteryx is
______ is not an example of a cnidarian?
"Kala-azar" and "oriental sore" are spread by
Which is a living fossil?
Which is a coelenterate?
Which animal of the followings belongs to class crustacea?
When tail is cylindrical and ventral scales do not extend the entire width of belly the snake is
Collar cells are general characteristic of
Common character of all vertebrates without exception is
What will you look for to identify the sex of the following?
What is common between kiwi, penguin and ostrich?
What color is the blood of crayfish?
Turtles are
A true coelom is lined on all sides by
Which of the following possesses post anal tail?
A common feature of tracheae of Cockroach and mammal is that both have
Polymorphism occurs in animals of the class
The clam nervous system is composed of
Which of the following types of fish is eaten usually by humans?
Which of the following statements is true?
Which of the following statements is true about Roundworms?
Which of the following statement is correct?
Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception?
Which of the following reptiles has four chambered heart?
Which of the followings is a diploblastic, radially symmetrical animal?
Which of the following is non poisonous snake?
Which of the following animal is not a vertebrate?
Which kind of symmetry occurs in sea anemone?
In a sponge which of the followings are responsible for maintaining the current of water?
Which is not an insect?
Which is non poisonous?
Which is limbless amphibian?
Cold blooded animals are
Who proposed artificial system of classification
Which phylum has a true coelom?
Which organism possesses characteristics of plants and animals?
A fat called blubber could be obtained from
Which one of the following phylum is characterized by absence of true coelom?