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Pristis is included in the class Osteichthyes.

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Important Questions on Biological Diversity

EASY
Science>Biology>Biological Diversity>Kingdom Animalia
The locomotory organs of Echinodermata are:    
 
MEDIUM
Science>Biology>Biological Diversity>Kingdom Animalia
The most striking feature of vertebrates is the presence of:
MEDIUM
Science>Biology>Biological Diversity>Kingdom Animalia
Give the features of the phylum to which Chiton and Pila belong?
EASY
Science>Biology>Biological Diversity>Kingdom Animalia
In which group of animals, the coelom is filled with blood?
 
MEDIUM
Science>Biology>Biological Diversity>Kingdom Animalia
Write two characteristic features of the phylum that contains the first animal with complete alimentary canal.
EASY
Science>Biology>Biological Diversity>Kingdom Animalia
Differentiation in segmental fashion occurs in:
EASY
Science>Biology>Biological Diversity>Kingdom Animalia
Hard calcium carbonate structures are used as a skeleton by
EASY
Science>Biology>Biological Diversity>Kingdom Animalia
Does feather star belong to class Aves?
EASY
Science>Biology>Biological Diversity>Kingdom Animalia
Why do we keep both snake and turtle in the same class?
EASY
Science>Biology>Biological Diversity>Kingdom Animalia
Animals of which phylum are considered to be the first animals having true body cavity, coelom? Name the phylum.
EASY
Science>Biology>Biological Diversity>Kingdom Animalia
Identify a member of Porifera from the following.
EASY
Science>Biology>Biological Diversity>Kingdom Animalia

Which among the following have an open circulatory system?
(i) Arthropoda     

(ii)Mollusca     

(iii) Annelida     

(iv) Coelenterata

EASY
Science>Biology>Biological Diversity>Kingdom Animalia
Nephridia are the excretory organs of:
 
EASY
Science>Biology>Biological Diversity>Kingdom Animalia
Excretion in flatworms occurs by:
EASY
Science>Biology>Biological Diversity>Kingdom Animalia
Name the animal and its respective phylum having parapodia for locomotion.
EASY
Science>Biology>Biological Diversity>Kingdom Animalia
One of the following is not an Annelid:
EASY
Science>Biology>Biological Diversity>Kingdom Animalia
Vertebrata is considered as the most advanced group of animals.Give one reason.
MEDIUM
Science>Biology>Biological Diversity>Kingdom Animalia
Amongst sponge, mollusc, snail, lizard, which one is the simplest animal and why?
MEDIUM
Science>Biology>Biological Diversity>Kingdom Animalia
Give the characteristics of phylum/group having the largest number of animals.
MEDIUM
Science>Biology>Biological Diversity>Kingdom Animalia
Four chambered heart is found in: