Class-7th Assignment-1 Lesson-=1 Environment

  D.C.M. International School
Class-7th Assignment-1
Lesson-=1 Environment

Write the answers of the following
a)     What are the biotic resources?
b)     What is hydrosphere?
c)     What is barter system?
d)    When is environment day celebrated?
e)     Name any one natural ecosystem?                                                              (1x5=5)

Write the answers of the following
a)      What is the importance of lithosphere?
b)      Write any two man-made environment?
c)      Why we cannot survive without hydrosphere?
d)      What is an ecosystem?
e)      Explain where and in which zone the life can be exit and why?                     (2x5=10)

Write the answers of the following
a)      Write the difference between biotic and abiotic environment?
b)      Write the difference between human and human made environment?            (3x2=6)
c)      How the plants and animals depend on each others. Explain?(4)

                                                                                                                    

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