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Starfish is the example of……….
a) Worm                                               

b) Sponges
c) 
Echinoderms                   
d) Insect 

c

The following picture (Brittle star) is the example of………
a) Echinoderms                   
b) Sponges
c) Insect                                                
d) Worm

a

The number of various types of living things found at a particular place is called……….
a) similar organism                              

b) biodiversity
c) diversity                           

d) none of these


b

The type of plants and animals no longer found in biodiversity is called……..
a) 
extinct                                              

b) endangered
c) both a and b                    

d) none of these

a

Dinosaur is the example of …………..
a) 
extinct                                              

b) endangered
c) both a and b                    

d) none of these

a

The organisms that are very likely to become extinct in near future are called………
a) extinct                                              

b) endangered
c) both a and b                    

d) none of these

b