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TEST CLASS 7 SCIENCE CHAPTER 1
Q 1: Answer the right option.
1 Why does or !ody need energy
to"""""""..
Le#rn $row St#y Sit
% The pro&ess o' &h#nging the 'ood into si(p)er
'or( is ))ed
*o+e(ent Respir#tion ,igestion None
- The pro&ess o' digestion st#rts 'ro( """" esoph#gs
Sto(#&h *oth E)e(ent#ryn#)
S#)i+# st#rts digestion o' """"".. /it#(ins Proteins 0#ts
St#r&h The (#in too)s 'or !re#2ing down 'ood #re Teeth
Tonge S#)i+# None
3 We sho)d se """""to &)e#n teeth Sweets Tree twig 0ingers
None
7 The w#+e )i2e (o+e(ent to psh the 'ood is
))ed"""""
*otion 4esoph#gs Perist#)sis *o+e(ent
5 4r sto(#&h is """".sh#ped org#n 6 L I
8 The digesti+e 9i&e !egins the digestion o'
"""""..
/it#(ins Proteins 0#ts St#r&h
1 In s(#)) intestine the digestion o'
""""".o&&rs
Proteins 0#ts St#r&h A))
11 """""""".prod&es !i)e to digest '#ts Li+er P#n&re#s
$#))!)#dder S(#))intestine
1% The inner sr'#&e o' s(#)) intestine h#s (#ny
;nger )i2e str&tres ))ed""""""".
Li+er P#n&re#s $#))!)#dder /i))i
1- The (#in 9o! o' )#rge intestine is to#!sor!""""""""..
0#ts /it#(ins E
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- Air is (oistened > ;)tered #nd w#r(ed in the 4esoph#gs Nose
*oth Sto(#&h
- """""prod&es 9i&e 'or the digestion o'
ntrients.
*oth L#rge
intestine
P#n&re#s $#)) !#)dder
Q %: Answer the 'o))owing short @estions.
i. Write the 'n&tion o' s(#)) intestine. Ii. Write the
'n&tions o' spporters o' the digesti+e syste(s.
iii. How n we #+oid 'ro( the &onstip#tion I+. Write the
sy(pto(s o' ,i#rrhoe#.
+. How n we (#2e or digesti+e syste( he#)thy +i. How do we
!re#the
+ii. N#(e the p#rts o' respir#tory syste( /iii. How n we 2eep or
)ngs he#)thy
i
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% """""""is the sy(pto( o' di#!etes. Ins)in He#rt !e#t Loss o'
weight
None
Q %: Answer the 'o))owing short @estions.
i. How does or he#rt wor2. Ii. How is the str&tre o'
pi))#ries re)#ted to their 'n&tion.
iii. Write # note on he#rt #tt#&2. I+. How do we #+oid he#rt
dise#ses
+. How s(o2ing is h#r(') 'or he#rt +i. Write the sy(pto(s o'
high !)ood pressre.
+ii. How n we #+oid #sth(# /iii. Write # note on di#!etes.
i
