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G e n e r a l 	 I n s t r u c t i o n s :
T h i s 	 q u e s t i o n 	 p a p e r 	 h a s 	 8 	 q u e s t i o n s 	 .
W r i t e 	 t h e 	 c o r r e c t 	 s e r i a l 	 n u m b e r 	 o f 	 t h e 	 q u e s t i o n 	 b e f o r e 	 a t t e m p t i n g 	 i t .
D r a w 	 d i a g r a m s 	 w h e r e v e r 	 n e c e s s a r y .
W r i t e 	 a n s w e r s 	 i n 	 a 	 n e a t 	 a n d 	 l e g i b l e 	 h a n d w r i t i n g .
1 . 	 C h o o s e 	 t h e 	 c o r r e c t 	 a n s w e r s . 	 [ 5 ]
a . 	 T h e 	 f o r m u l a 	 f o r 	 a l u m i n i u m 	 s u l p h a t e 	 i s 	 _ _ _ _ _ _ _ _ _ _ _ _ _ .
i . 	 A l
2
( S O
4
) 	 i i . 	 A l
2
( S O
4
)
3
	 i i i . 	 A l ( S O
4
)
3
	 i v . 	 A l ( S O
4
)
b . 	 D i g e s t i v e 	 j u i c e s 	 a r e 	 n o t 	 s e c r e t e d 	 b y 	 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .
i . 	 s m a l l 	 i n t e s t i n e 	 i i . 	 l i v e r 	 i i i . 	 s t o m a c h 	 i v . 	 o e s o p h a g u s
c . 	 W h i c h 	 o f 	 t h e 	 f o l l o w i n g 	 w o u l d 	 e x p a n d 	 t h e 	 m o s t 	 o n 	 b e i n g 	 h e a t e d ?
i . 	 A l c o h o l 	 i i . 	 A i r 	 i i i . 	 G l a s s 	 i v . 	 I r o n
d . 	 W h i c h 	 o f 	 t h e 	 f o l l o w i n g 	 i s 	 n e u t r a l ?
i . 	 H y d r o c h l o r i c 	 a c i d 	 i i . 	 S o d i u m 	 c h l o r i d e 	 i i i . 	 S o d i u m 	 h y d r o x i d e 	 i v . 	 C a l c i u m 	 h y d r o x i d e
e . 	 W h i c h 	 o f 	 t h e s e 	 i s 	 t h e 	 b e s t 	 i n s u l a t o r 	 o f 	 t h e 	 h e a t ?
i . 	 I r o n 	 i i . 	 W a t e r 	 i i i . 	 N i t r o g e n 	 i v . 	 A l c o h o l
A n s . 	 a . 	 A l
2
( S O
4
)
3
b . 	 o e s o p h a g u s
c . 	 A i r
Page 2


G e n e r a l 	 I n s t r u c t i o n s :
T h i s 	 q u e s t i o n 	 p a p e r 	 h a s 	 8 	 q u e s t i o n s 	 .
W r i t e 	 t h e 	 c o r r e c t 	 s e r i a l 	 n u m b e r 	 o f 	 t h e 	 q u e s t i o n 	 b e f o r e 	 a t t e m p t i n g 	 i t .
D r a w 	 d i a g r a m s 	 w h e r e v e r 	 n e c e s s a r y .
W r i t e 	 a n s w e r s 	 i n 	 a 	 n e a t 	 a n d 	 l e g i b l e 	 h a n d w r i t i n g .
1 . 	 C h o o s e 	 t h e 	 c o r r e c t 	 a n s w e r s . 	 [ 5 ]
a . 	 T h e 	 f o r m u l a 	 f o r 	 a l u m i n i u m 	 s u l p h a t e 	 i s 	 _ _ _ _ _ _ _ _ _ _ _ _ _ .
i . 	 A l
2
( S O
4
) 	 i i . 	 A l
2
( S O
4
)
3
	 i i i . 	 A l ( S O
4
)
3
	 i v . 	 A l ( S O
4
)
b . 	 D i g e s t i v e 	 j u i c e s 	 a r e 	 n o t 	 s e c r e t e d 	 b y 	 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .
i . 	 s m a l l 	 i n t e s t i n e 	 i i . 	 l i v e r 	 i i i . 	 s t o m a c h 	 i v . 	 o e s o p h a g u s
c . 	 W h i c h 	 o f 	 t h e 	 f o l l o w i n g 	 w o u l d 	 e x p a n d 	 t h e 	 m o s t 	 o n 	 b e i n g 	 h e a t e d ?
i . 	 A l c o h o l 	 i i . 	 A i r 	 i i i . 	 G l a s s 	 i v . 	 I r o n
d . 	 W h i c h 	 o f 	 t h e 	 f o l l o w i n g 	 i s 	 n e u t r a l ?
i . 	 H y d r o c h l o r i c 	 a c i d 	 i i . 	 S o d i u m 	 c h l o r i d e 	 i i i . 	 S o d i u m 	 h y d r o x i d e 	 i v . 	 C a l c i u m 	 h y d r o x i d e
e . 	 W h i c h 	 o f 	 t h e s e 	 i s 	 t h e 	 b e s t 	 i n s u l a t o r 	 o f 	 t h e 	 h e a t ?
i . 	 I r o n 	 i i . 	 W a t e r 	 i i i . 	 N i t r o g e n 	 i v . 	 A l c o h o l
A n s . 	 a . 	 A l
2
( S O
4
)
3
b . 	 o e s o p h a g u s
c . 	 A i r
d . 	 S o d i u m 	 c h l o r i d e
e . 	 w a t e r
2 . 	 C o r r e c t 	 t h e 	 u n d e r l i n e d 	 w o r d s 	 a n d 	 r e w r i t e 	 t h e 	 c o r r e c t 	 s t a t e m e n t s . [ 	 5 ]
a . 	 M o h a i r 	 i s 	 a 	 t y p e 	 o f 	 s i l k .
b . 	 I o d i n e 	 m a k e s 	 s t a r c h 	 t u r n 	 g r e e n .
c . 	 T h e 	 C a r b o n 	 h a s 	 a 	 v a l e n c y 	 o f 	 t w o .
d . 	 L o w e r 	 f i x e d 	 p o i n t 	 o n 	 t h e 	 F a h r e n h e i t 	 s c a l e 	 i s 	 0
0
F .
e . 	 T h e 	 p r o c e s s 	 o f 	 t r a n s f e r 	 o f 	 h e a t 	 i n 	 w h i c h 	 a 	 m a t e r i a l 	 m e d i u m 	 i s 	 n o t 	 r e q u i r e d 	 i s 	 c a l l e d
c o n v e c t i o n .
A n s . 	 a . 	 w o o l ,
b . 	 b l u e 	 b l a c k
c . 	 f o u r
d . 	 3 2
0
	 F , 	 e . 	 R a d i a t i o n
3 . 	 A n s w e r 	 t h e 	 f o l l o w i n g 	 i n 	 b r i e f : [ 	 6 ]
a . 	 W h a t 	 i s 	 t h e 	 a t o m i c i t y 	 o f 	 s u l p h u r ?
b . 	 N a m e 	 t h e 	 p r o c e s s 	 o f 	 w a r m i n g 	 t h e 	 e g g s 	 t o 	 a 	 t e m p e r a t u r e 	 s u i t a b l e 	 f o r 	 h a t c h i n g .
c . 	 W h i c h 	 s o i l 	 i s 	 b e s t 	 f o r 	 t h e 	 g r o w t h 	 o f 	 c o t t o n 	 c r o p ?
d . 	 N a m e 	 t h e 	 o r g a n i s m s 	 t h a t 	 l i v e 	 o n 	 o t h e r 	 p l a n t s 	 a n d 	 d e r i v e 	 f o o d 	 f r o m 	 t h e i r 	 h o s t .
e . 	 N a m e 	 t h e 	 s o i l 	 w h o s e 	 t e x t u r e 	 i s 	 s m o o t h 	 a n d 	 s t i c k y .
f . 	 I d e n t i f y 	 t h e 	 i m a g e 	 o f 	 t h e 	 p l a n t 	 a n d 	 n a m e 	 i t . 	
A n s . 	 a . 	 e i g h t ,
Page 3


G e n e r a l 	 I n s t r u c t i o n s :
T h i s 	 q u e s t i o n 	 p a p e r 	 h a s 	 8 	 q u e s t i o n s 	 .
W r i t e 	 t h e 	 c o r r e c t 	 s e r i a l 	 n u m b e r 	 o f 	 t h e 	 q u e s t i o n 	 b e f o r e 	 a t t e m p t i n g 	 i t .
D r a w 	 d i a g r a m s 	 w h e r e v e r 	 n e c e s s a r y .
W r i t e 	 a n s w e r s 	 i n 	 a 	 n e a t 	 a n d 	 l e g i b l e 	 h a n d w r i t i n g .
1 . 	 C h o o s e 	 t h e 	 c o r r e c t 	 a n s w e r s . 	 [ 5 ]
a . 	 T h e 	 f o r m u l a 	 f o r 	 a l u m i n i u m 	 s u l p h a t e 	 i s 	 _ _ _ _ _ _ _ _ _ _ _ _ _ .
i . 	 A l
2
( S O
4
) 	 i i . 	 A l
2
( S O
4
)
3
	 i i i . 	 A l ( S O
4
)
3
	 i v . 	 A l ( S O
4
)
b . 	 D i g e s t i v e 	 j u i c e s 	 a r e 	 n o t 	 s e c r e t e d 	 b y 	 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .
i . 	 s m a l l 	 i n t e s t i n e 	 i i . 	 l i v e r 	 i i i . 	 s t o m a c h 	 i v . 	 o e s o p h a g u s
c . 	 W h i c h 	 o f 	 t h e 	 f o l l o w i n g 	 w o u l d 	 e x p a n d 	 t h e 	 m o s t 	 o n 	 b e i n g 	 h e a t e d ?
i . 	 A l c o h o l 	 i i . 	 A i r 	 i i i . 	 G l a s s 	 i v . 	 I r o n
d . 	 W h i c h 	 o f 	 t h e 	 f o l l o w i n g 	 i s 	 n e u t r a l ?
i . 	 H y d r o c h l o r i c 	 a c i d 	 i i . 	 S o d i u m 	 c h l o r i d e 	 i i i . 	 S o d i u m 	 h y d r o x i d e 	 i v . 	 C a l c i u m 	 h y d r o x i d e
e . 	 W h i c h 	 o f 	 t h e s e 	 i s 	 t h e 	 b e s t 	 i n s u l a t o r 	 o f 	 t h e 	 h e a t ?
i . 	 I r o n 	 i i . 	 W a t e r 	 i i i . 	 N i t r o g e n 	 i v . 	 A l c o h o l
A n s . 	 a . 	 A l
2
( S O
4
)
3
b . 	 o e s o p h a g u s
c . 	 A i r
d . 	 S o d i u m 	 c h l o r i d e
e . 	 w a t e r
2 . 	 C o r r e c t 	 t h e 	 u n d e r l i n e d 	 w o r d s 	 a n d 	 r e w r i t e 	 t h e 	 c o r r e c t 	 s t a t e m e n t s . [ 	 5 ]
a . 	 M o h a i r 	 i s 	 a 	 t y p e 	 o f 	 s i l k .
b . 	 I o d i n e 	 m a k e s 	 s t a r c h 	 t u r n 	 g r e e n .
c . 	 T h e 	 C a r b o n 	 h a s 	 a 	 v a l e n c y 	 o f 	 t w o .
d . 	 L o w e r 	 f i x e d 	 p o i n t 	 o n 	 t h e 	 F a h r e n h e i t 	 s c a l e 	 i s 	 0
0
F .
e . 	 T h e 	 p r o c e s s 	 o f 	 t r a n s f e r 	 o f 	 h e a t 	 i n 	 w h i c h 	 a 	 m a t e r i a l 	 m e d i u m 	 i s 	 n o t 	 r e q u i r e d 	 i s 	 c a l l e d
c o n v e c t i o n .
A n s . 	 a . 	 w o o l ,
b . 	 b l u e 	 b l a c k
c . 	 f o u r
d . 	 3 2
0
	 F , 	 e . 	 R a d i a t i o n
3 . 	 A n s w e r 	 t h e 	 f o l l o w i n g 	 i n 	 b r i e f : [ 	 6 ]
a . 	 W h a t 	 i s 	 t h e 	 a t o m i c i t y 	 o f 	 s u l p h u r ?
b . 	 N a m e 	 t h e 	 p r o c e s s 	 o f 	 w a r m i n g 	 t h e 	 e g g s 	 t o 	 a 	 t e m p e r a t u r e 	 s u i t a b l e 	 f o r 	 h a t c h i n g .
c . 	 W h i c h 	 s o i l 	 i s 	 b e s t 	 f o r 	 t h e 	 g r o w t h 	 o f 	 c o t t o n 	 c r o p ?
d . 	 N a m e 	 t h e 	 o r g a n i s m s 	 t h a t 	 l i v e 	 o n 	 o t h e r 	 p l a n t s 	 a n d 	 d e r i v e 	 f o o d 	 f r o m 	 t h e i r 	 h o s t .
e . 	 N a m e 	 t h e 	 s o i l 	 w h o s e 	 t e x t u r e 	 i s 	 s m o o t h 	 a n d 	 s t i c k y .
f . 	 I d e n t i f y 	 t h e 	 i m a g e 	 o f 	 t h e 	 p l a n t 	 a n d 	 n a m e 	 i t . 	
A n s . 	 a . 	 e i g h t ,
b . 	 i n c u b a t i o n
c . 	 s a n d y - 	 l o a m ,
d . 	 p a r a s i t i c 	 p l a n t s
e . 	 c l a y
f . 	 v e n u s 	 f l y 	 t r a p 	 p l a n t
4 . 	 G i v e 	 r e a s o n s 	 f o r 	 e a c h 	 o f 	 t h e 	 f o l l o w i n g 	 s t a t e m e n t s : 	 [ 1 0 ]
a . 	 M u s h r o o m s 	 a n d 	 o t h e r 	 f u n g i 	 a r e 	 s a p r o t r o p h .
b . 	 H e l i u m 	 d o e s 	 n o t 	 f o r m 	 c o m p o u n d s .
c . 	 W o o l 	 y i e l d i n g 	 a n i m a l s 	 h a v e 	 t h i c k 	 f u r .
d . 	 W a t e r 	 i s 	 a 	 c o m p o u n d .
e . 	 A 	 g l a s s 	 t u m b l e r 	 c r a c k s 	 w h e n 	 h o t 	 l i q u i d 	 i s 	 p o u r e d 	 i n t o 	 i t .
A n s . 	 a . 	 M u s h r o o m 	 a n d 	 f u n g i 	 l i v e 	 o n 	 d e a d 	 p l a n t s 	 a n d 	 a n i m a l s 	 a n d 	 d e r i v e 	 f o o d 	 f r o m 	 t h e m
t h u s 	 a r e 	 s a p r o t r o p h s 	 b . 	 H e l i u m 	 i s 	 m o n o a t o m i c 	 a n d 	 i t s 	 v a l e n c y 	 i s 	 z e r o , 	 s o 	 i t 	 d o e s 	 n o t 	 r e a c t
w i t h 	 o t h e r 	 e l e m e n t s 	 a n d 	 d o 	 n o t 	 f o r m 	 c o m p o u n d s . 	 c . 	 W o o l 	 y i e l d i n g 	 a n i m a l s 	 h a v e 	 t h i c k 	 f u r 	 t o
p r o t e c t 	 t h e m 	 f r o m 	 c o l d . 	 d . 	 W a t e r 	 i s 	 m a d e 	 f r o m 	 c o m b i n i n g 	 t w o 	 e l e m e n t s 	 i n 	 a 	 f i x e d 	 r a t i o . 	 e . 	 A
g l a s s 	 t u m b l e r 	 h a s 	 t w o 	 l a y e r s . 	 T h e 	 i n n e r 	 l a y e r 	 e x p a n d s 	 a s 	 t h e 	 h o t 	 l i q u i d 	 i s 	 p o u r e d 	 i n t o 	 i t 	 b u t
t h e 	 o u t e r 	 l a y e r 	 d o e s 	 n o t 	 e x p a n d 	 t h u s 	 r e s u l t s 	 i n 	 c r a c k .
5 . 	 A n s w e r 	 t h e 	 f o l l o w i n g 	 q u e s t i o n 	 i n 	 5 0 - 6 0 	 w o r d s . 	 [ 1 4 ]
a . 	 A 	 s o i l 	 s a m p l e 	 t a k e s 	 4 5 	 m i n u t e s 	 t o 	 p e r c o l a t e 	 9 0 0 	 m l 	 o f 	 w a t e r . 	 C a l c u l a t e 	 t h e 	 r a t e 	 o f
p e r c o l a t i o n 	 o f 	 t h e 	 s o i l 	 s a m p l e .
Page 4


G e n e r a l 	 I n s t r u c t i o n s :
T h i s 	 q u e s t i o n 	 p a p e r 	 h a s 	 8 	 q u e s t i o n s 	 .
W r i t e 	 t h e 	 c o r r e c t 	 s e r i a l 	 n u m b e r 	 o f 	 t h e 	 q u e s t i o n 	 b e f o r e 	 a t t e m p t i n g 	 i t .
D r a w 	 d i a g r a m s 	 w h e r e v e r 	 n e c e s s a r y .
W r i t e 	 a n s w e r s 	 i n 	 a 	 n e a t 	 a n d 	 l e g i b l e 	 h a n d w r i t i n g .
1 . 	 C h o o s e 	 t h e 	 c o r r e c t 	 a n s w e r s . 	 [ 5 ]
a . 	 T h e 	 f o r m u l a 	 f o r 	 a l u m i n i u m 	 s u l p h a t e 	 i s 	 _ _ _ _ _ _ _ _ _ _ _ _ _ .
i . 	 A l
2
( S O
4
) 	 i i . 	 A l
2
( S O
4
)
3
	 i i i . 	 A l ( S O
4
)
3
	 i v . 	 A l ( S O
4
)
b . 	 D i g e s t i v e 	 j u i c e s 	 a r e 	 n o t 	 s e c r e t e d 	 b y 	 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .
i . 	 s m a l l 	 i n t e s t i n e 	 i i . 	 l i v e r 	 i i i . 	 s t o m a c h 	 i v . 	 o e s o p h a g u s
c . 	 W h i c h 	 o f 	 t h e 	 f o l l o w i n g 	 w o u l d 	 e x p a n d 	 t h e 	 m o s t 	 o n 	 b e i n g 	 h e a t e d ?
i . 	 A l c o h o l 	 i i . 	 A i r 	 i i i . 	 G l a s s 	 i v . 	 I r o n
d . 	 W h i c h 	 o f 	 t h e 	 f o l l o w i n g 	 i s 	 n e u t r a l ?
i . 	 H y d r o c h l o r i c 	 a c i d 	 i i . 	 S o d i u m 	 c h l o r i d e 	 i i i . 	 S o d i u m 	 h y d r o x i d e 	 i v . 	 C a l c i u m 	 h y d r o x i d e
e . 	 W h i c h 	 o f 	 t h e s e 	 i s 	 t h e 	 b e s t 	 i n s u l a t o r 	 o f 	 t h e 	 h e a t ?
i . 	 I r o n 	 i i . 	 W a t e r 	 i i i . 	 N i t r o g e n 	 i v . 	 A l c o h o l
A n s . 	 a . 	 A l
2
( S O
4
)
3
b . 	 o e s o p h a g u s
c . 	 A i r
d . 	 S o d i u m 	 c h l o r i d e
e . 	 w a t e r
2 . 	 C o r r e c t 	 t h e 	 u n d e r l i n e d 	 w o r d s 	 a n d 	 r e w r i t e 	 t h e 	 c o r r e c t 	 s t a t e m e n t s . [ 	 5 ]
a . 	 M o h a i r 	 i s 	 a 	 t y p e 	 o f 	 s i l k .
b . 	 I o d i n e 	 m a k e s 	 s t a r c h 	 t u r n 	 g r e e n .
c . 	 T h e 	 C a r b o n 	 h a s 	 a 	 v a l e n c y 	 o f 	 t w o .
d . 	 L o w e r 	 f i x e d 	 p o i n t 	 o n 	 t h e 	 F a h r e n h e i t 	 s c a l e 	 i s 	 0
0
F .
e . 	 T h e 	 p r o c e s s 	 o f 	 t r a n s f e r 	 o f 	 h e a t 	 i n 	 w h i c h 	 a 	 m a t e r i a l 	 m e d i u m 	 i s 	 n o t 	 r e q u i r e d 	 i s 	 c a l l e d
c o n v e c t i o n .
A n s . 	 a . 	 w o o l ,
b . 	 b l u e 	 b l a c k
c . 	 f o u r
d . 	 3 2
0
	 F , 	 e . 	 R a d i a t i o n
3 . 	 A n s w e r 	 t h e 	 f o l l o w i n g 	 i n 	 b r i e f : [ 	 6 ]
a . 	 W h a t 	 i s 	 t h e 	 a t o m i c i t y 	 o f 	 s u l p h u r ?
b . 	 N a m e 	 t h e 	 p r o c e s s 	 o f 	 w a r m i n g 	 t h e 	 e g g s 	 t o 	 a 	 t e m p e r a t u r e 	 s u i t a b l e 	 f o r 	 h a t c h i n g .
c . 	 W h i c h 	 s o i l 	 i s 	 b e s t 	 f o r 	 t h e 	 g r o w t h 	 o f 	 c o t t o n 	 c r o p ?
d . 	 N a m e 	 t h e 	 o r g a n i s m s 	 t h a t 	 l i v e 	 o n 	 o t h e r 	 p l a n t s 	 a n d 	 d e r i v e 	 f o o d 	 f r o m 	 t h e i r 	 h o s t .
e . 	 N a m e 	 t h e 	 s o i l 	 w h o s e 	 t e x t u r e 	 i s 	 s m o o t h 	 a n d 	 s t i c k y .
f . 	 I d e n t i f y 	 t h e 	 i m a g e 	 o f 	 t h e 	 p l a n t 	 a n d 	 n a m e 	 i t . 	
A n s . 	 a . 	 e i g h t ,
b . 	 i n c u b a t i o n
c . 	 s a n d y - 	 l o a m ,
d . 	 p a r a s i t i c 	 p l a n t s
e . 	 c l a y
f . 	 v e n u s 	 f l y 	 t r a p 	 p l a n t
4 . 	 G i v e 	 r e a s o n s 	 f o r 	 e a c h 	 o f 	 t h e 	 f o l l o w i n g 	 s t a t e m e n t s : 	 [ 1 0 ]
a . 	 M u s h r o o m s 	 a n d 	 o t h e r 	 f u n g i 	 a r e 	 s a p r o t r o p h .
b . 	 H e l i u m 	 d o e s 	 n o t 	 f o r m 	 c o m p o u n d s .
c . 	 W o o l 	 y i e l d i n g 	 a n i m a l s 	 h a v e 	 t h i c k 	 f u r .
d . 	 W a t e r 	 i s 	 a 	 c o m p o u n d .
e . 	 A 	 g l a s s 	 t u m b l e r 	 c r a c k s 	 w h e n 	 h o t 	 l i q u i d 	 i s 	 p o u r e d 	 i n t o 	 i t .
A n s . 	 a . 	 M u s h r o o m 	 a n d 	 f u n g i 	 l i v e 	 o n 	 d e a d 	 p l a n t s 	 a n d 	 a n i m a l s 	 a n d 	 d e r i v e 	 f o o d 	 f r o m 	 t h e m
t h u s 	 a r e 	 s a p r o t r o p h s 	 b . 	 H e l i u m 	 i s 	 m o n o a t o m i c 	 a n d 	 i t s 	 v a l e n c y 	 i s 	 z e r o , 	 s o 	 i t 	 d o e s 	 n o t 	 r e a c t
w i t h 	 o t h e r 	 e l e m e n t s 	 a n d 	 d o 	 n o t 	 f o r m 	 c o m p o u n d s . 	 c . 	 W o o l 	 y i e l d i n g 	 a n i m a l s 	 h a v e 	 t h i c k 	 f u r 	 t o
p r o t e c t 	 t h e m 	 f r o m 	 c o l d . 	 d . 	 W a t e r 	 i s 	 m a d e 	 f r o m 	 c o m b i n i n g 	 t w o 	 e l e m e n t s 	 i n 	 a 	 f i x e d 	 r a t i o . 	 e . 	 A
g l a s s 	 t u m b l e r 	 h a s 	 t w o 	 l a y e r s . 	 T h e 	 i n n e r 	 l a y e r 	 e x p a n d s 	 a s 	 t h e 	 h o t 	 l i q u i d 	 i s 	 p o u r e d 	 i n t o 	 i t 	 b u t
t h e 	 o u t e r 	 l a y e r 	 d o e s 	 n o t 	 e x p a n d 	 t h u s 	 r e s u l t s 	 i n 	 c r a c k .
5 . 	 A n s w e r 	 t h e 	 f o l l o w i n g 	 q u e s t i o n 	 i n 	 5 0 - 6 0 	 w o r d s . 	 [ 1 4 ]
a . 	 A 	 s o i l 	 s a m p l e 	 t a k e s 	 4 5 	 m i n u t e s 	 t o 	 p e r c o l a t e 	 9 0 0 	 m l 	 o f 	 w a t e r . 	 C a l c u l a t e 	 t h e 	 r a t e 	 o f
p e r c o l a t i o n 	 o f 	 t h e 	 s o i l 	 s a m p l e .
b . 	 F r o m 	 w h i c h 	 a c i d s 	 a r e 	 t h e s e 	 s a l t s 	 o b t a i n e d 	 - 	 n i t r a t e s 	 a n d 	 s u l p h a t e s ?
c . 	 W h a t 	 i s 	 l o a m 	 s o i l ? 	 W h y 	 i s 	 i t 	 c o n s i d e r e d 	 t o 	 b e 	 t h e 	 b e s t 	 t o p 	 s o i l 	 f o r 	 g r o w i n g 	 p l a n t s ?
d . 	 W h a t 	 h a p p e n s 	 w h e n 	 d i l u t e 	 s u l p h u r i c 	 a c i d 	 r e a c t s 	 w i t h 	 z i n c ? 	 W r i t e 	 t h e 	 c h e m i c a l
r e a c t i o n 	 f o r 	 i t .
e . 	 W h a t 	 a d v e r s e 	 e f f e c t s 	 a r e 	 o b s e r v e d 	 o n 	 t h e 	 h e a l t h 	 o f 	 w o r k e r s 	 i n 	 t h e 	 s i l k 	 i n d u s t r y ?
f . 	 D i f f e r e n t i a t e 	 b e t w e e n 	 a b s o r p t i o n 	 a n d 	 a s s i m i l a t i o n .
g . 	 W h y 	 d o e s 	 t o p 	 s o i l 	 h a v e 	 m o r e 	 h u m u s 	 t h a n 	 s u b 	 s o i l ? 	 N a m e 	 f o u r 	 l i v i n g 	 o r g a n i s m s 	 f o u n d
i n 	 s o i l .
A n s . 	 a . 	 P e r c o l a t i o n 	 r a t e : 	 A m o u n t 	 o f 	 w a t e r 	 a b s o r b e d 	 p e r 	 p e r c o l a t i o n 	 t i m e 	 9 0 0 / 4 5 = 2 0 m l / m i n
b . 	 n i t r i c 	 a c i d 	 a n d 	 s u l p h u r i c 	 a c i d .
c . 	 L o a m 	 i s 	 a 	 m i x t u r e 	 o f 	 s a n d , 	 s i l t 	 a n d 	 c l a y 	 a l s o 	 i t 	 h a s 	 h u m u s 	 i n 	 i t . 	 S i n c e 	 i t 	 h a s 	 r i g h t 	 a m o u n t 	 o f
w a t e r 	 a n d 	 a d e q u a t e 	 a i r 	 s p a c e 	 f o r 	 p l a n t s 	 g r o w t h 	 s o 	 i t 	 i s 	 c o n s i d e r e d 	 a s 	 b e s t 	 t o p s o i l 	 f o r 	 p l a n t s .
d . 	 W r i t e 	 c h e m i c a l 	 r e a c t i o n 	 a n d 	 t h e 	 r e l a t e d 	 e x p l a n a t i o n .
e . 	 E x p l a i n 	 a b o u t 	 r e s p i r a t o r y 	 d i s e a s e s 	 a n d 	 s c a b i e s 	 a n d 	 o t h e r 	 s k i n 	 i n f e c t i o n s 	 o f 	 w o r k e r s
w o r k i n g 	 i n 	 s e r i c u l t u r e 	 i n d u s t r i e s .
f . 	 T h e 	 p r o c e s s 	 b y 	 w h i c h 	 t h e 	 f o o d 	 i n 	 s o l u b l e 	 f o r m 	 p a s s e s 	 i n t o 	 t h e 	 b o d y 	 f l u i d 	 s u c h 	 a s 	 b l o o d 	 i s
c a l l e d 	 a b s o r p t i o n 	 w h i l e 	 u s i n g 	 t h e 	 a b s o r b e d 	 f o o d 	 f o r 	 p r o d u c i n g 	 e n e r g y 	 i s 	 c a l l e d 	 a s s i m i l a t i o n .
g . 	 A 	 v a r i e t y 	 o f 	 d e a d 	 a n d 	 d e c a y i n g 	 o r g a n i s m s 	 c o n t r i b u t e 	 t o 	 t h e 	 f o r m a t i o n 	 o f 	 h u m u s 	 i n 	 t h e 	 t o p
s o i l . 	 B e s i d e s 	 e a r t h 	 w o r m s , 	 o t h e r 	 o r g a n i s m s 	 i n c l u d e 	 m i l l i p e d e s , 	 c e n t i p e d e s , 	 a n t s , 	 f u n g i 	 a n d
b a c t e r i a .
6 . 	 A n s w e r 	 t h e 	 f o l l o w i n g 	 q u e s t i o n 	 i n 	 8 0 - 8 5 	 w o r d s . 	 [ 2 4 ]
a . 	 W h a t 	 a r e 	 t h e 	 e n d 	 p r o d u c t s 	 o f 	 p h o t o s y n t h e s i s ? 	 W h a t 	 i s 	 t h e 	 s i g n i f i c a n c e 	 o f
p h o t o s y n t h e s i s ?
b . 	 N a m e 	 a n y 	 t h r e e 	 t y p e s 	 o f 	 t e e t h 	 i n 	 h u m a n s 	 a n d 	 w r i t e 	 t h e i r 	 f u n c t i o n s .
Page 5


G e n e r a l 	 I n s t r u c t i o n s :
T h i s 	 q u e s t i o n 	 p a p e r 	 h a s 	 8 	 q u e s t i o n s 	 .
W r i t e 	 t h e 	 c o r r e c t 	 s e r i a l 	 n u m b e r 	 o f 	 t h e 	 q u e s t i o n 	 b e f o r e 	 a t t e m p t i n g 	 i t .
D r a w 	 d i a g r a m s 	 w h e r e v e r 	 n e c e s s a r y .
W r i t e 	 a n s w e r s 	 i n 	 a 	 n e a t 	 a n d 	 l e g i b l e 	 h a n d w r i t i n g .
1 . 	 C h o o s e 	 t h e 	 c o r r e c t 	 a n s w e r s . 	 [ 5 ]
a . 	 T h e 	 f o r m u l a 	 f o r 	 a l u m i n i u m 	 s u l p h a t e 	 i s 	 _ _ _ _ _ _ _ _ _ _ _ _ _ .
i . 	 A l
2
( S O
4
) 	 i i . 	 A l
2
( S O
4
)
3
	 i i i . 	 A l ( S O
4
)
3
	 i v . 	 A l ( S O
4
)
b . 	 D i g e s t i v e 	 j u i c e s 	 a r e 	 n o t 	 s e c r e t e d 	 b y 	 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .
i . 	 s m a l l 	 i n t e s t i n e 	 i i . 	 l i v e r 	 i i i . 	 s t o m a c h 	 i v . 	 o e s o p h a g u s
c . 	 W h i c h 	 o f 	 t h e 	 f o l l o w i n g 	 w o u l d 	 e x p a n d 	 t h e 	 m o s t 	 o n 	 b e i n g 	 h e a t e d ?
i . 	 A l c o h o l 	 i i . 	 A i r 	 i i i . 	 G l a s s 	 i v . 	 I r o n
d . 	 W h i c h 	 o f 	 t h e 	 f o l l o w i n g 	 i s 	 n e u t r a l ?
i . 	 H y d r o c h l o r i c 	 a c i d 	 i i . 	 S o d i u m 	 c h l o r i d e 	 i i i . 	 S o d i u m 	 h y d r o x i d e 	 i v . 	 C a l c i u m 	 h y d r o x i d e
e . 	 W h i c h 	 o f 	 t h e s e 	 i s 	 t h e 	 b e s t 	 i n s u l a t o r 	 o f 	 t h e 	 h e a t ?
i . 	 I r o n 	 i i . 	 W a t e r 	 i i i . 	 N i t r o g e n 	 i v . 	 A l c o h o l
A n s . 	 a . 	 A l
2
( S O
4
)
3
b . 	 o e s o p h a g u s
c . 	 A i r
d . 	 S o d i u m 	 c h l o r i d e
e . 	 w a t e r
2 . 	 C o r r e c t 	 t h e 	 u n d e r l i n e d 	 w o r d s 	 a n d 	 r e w r i t e 	 t h e 	 c o r r e c t 	 s t a t e m e n t s . [ 	 5 ]
a . 	 M o h a i r 	 i s 	 a 	 t y p e 	 o f 	 s i l k .
b . 	 I o d i n e 	 m a k e s 	 s t a r c h 	 t u r n 	 g r e e n .
c . 	 T h e 	 C a r b o n 	 h a s 	 a 	 v a l e n c y 	 o f 	 t w o .
d . 	 L o w e r 	 f i x e d 	 p o i n t 	 o n 	 t h e 	 F a h r e n h e i t 	 s c a l e 	 i s 	 0
0
F .
e . 	 T h e 	 p r o c e s s 	 o f 	 t r a n s f e r 	 o f 	 h e a t 	 i n 	 w h i c h 	 a 	 m a t e r i a l 	 m e d i u m 	 i s 	 n o t 	 r e q u i r e d 	 i s 	 c a l l e d
c o n v e c t i o n .
A n s . 	 a . 	 w o o l ,
b . 	 b l u e 	 b l a c k
c . 	 f o u r
d . 	 3 2
0
	 F , 	 e . 	 R a d i a t i o n
3 . 	 A n s w e r 	 t h e 	 f o l l o w i n g 	 i n 	 b r i e f : [ 	 6 ]
a . 	 W h a t 	 i s 	 t h e 	 a t o m i c i t y 	 o f 	 s u l p h u r ?
b . 	 N a m e 	 t h e 	 p r o c e s s 	 o f 	 w a r m i n g 	 t h e 	 e g g s 	 t o 	 a 	 t e m p e r a t u r e 	 s u i t a b l e 	 f o r 	 h a t c h i n g .
c . 	 W h i c h 	 s o i l 	 i s 	 b e s t 	 f o r 	 t h e 	 g r o w t h 	 o f 	 c o t t o n 	 c r o p ?
d . 	 N a m e 	 t h e 	 o r g a n i s m s 	 t h a t 	 l i v e 	 o n 	 o t h e r 	 p l a n t s 	 a n d 	 d e r i v e 	 f o o d 	 f r o m 	 t h e i r 	 h o s t .
e . 	 N a m e 	 t h e 	 s o i l 	 w h o s e 	 t e x t u r e 	 i s 	 s m o o t h 	 a n d 	 s t i c k y .
f . 	 I d e n t i f y 	 t h e 	 i m a g e 	 o f 	 t h e 	 p l a n t 	 a n d 	 n a m e 	 i t . 	
A n s . 	 a . 	 e i g h t ,
b . 	 i n c u b a t i o n
c . 	 s a n d y - 	 l o a m ,
d . 	 p a r a s i t i c 	 p l a n t s
e . 	 c l a y
f . 	 v e n u s 	 f l y 	 t r a p 	 p l a n t
4 . 	 G i v e 	 r e a s o n s 	 f o r 	 e a c h 	 o f 	 t h e 	 f o l l o w i n g 	 s t a t e m e n t s : 	 [ 1 0 ]
a . 	 M u s h r o o m s 	 a n d 	 o t h e r 	 f u n g i 	 a r e 	 s a p r o t r o p h .
b . 	 H e l i u m 	 d o e s 	 n o t 	 f o r m 	 c o m p o u n d s .
c . 	 W o o l 	 y i e l d i n g 	 a n i m a l s 	 h a v e 	 t h i c k 	 f u r .
d . 	 W a t e r 	 i s 	 a 	 c o m p o u n d .
e . 	 A 	 g l a s s 	 t u m b l e r 	 c r a c k s 	 w h e n 	 h o t 	 l i q u i d 	 i s 	 p o u r e d 	 i n t o 	 i t .
A n s . 	 a . 	 M u s h r o o m 	 a n d 	 f u n g i 	 l i v e 	 o n 	 d e a d 	 p l a n t s 	 a n d 	 a n i m a l s 	 a n d 	 d e r i v e 	 f o o d 	 f r o m 	 t h e m
t h u s 	 a r e 	 s a p r o t r o p h s 	 b . 	 H e l i u m 	 i s 	 m o n o a t o m i c 	 a n d 	 i t s 	 v a l e n c y 	 i s 	 z e r o , 	 s o 	 i t 	 d o e s 	 n o t 	 r e a c t
w i t h 	 o t h e r 	 e l e m e n t s 	 a n d 	 d o 	 n o t 	 f o r m 	 c o m p o u n d s . 	 c . 	 W o o l 	 y i e l d i n g 	 a n i m a l s 	 h a v e 	 t h i c k 	 f u r 	 t o
p r o t e c t 	 t h e m 	 f r o m 	 c o l d . 	 d . 	 W a t e r 	 i s 	 m a d e 	 f r o m 	 c o m b i n i n g 	 t w o 	 e l e m e n t s 	 i n 	 a 	 f i x e d 	 r a t i o . 	 e . 	 A
g l a s s 	 t u m b l e r 	 h a s 	 t w o 	 l a y e r s . 	 T h e 	 i n n e r 	 l a y e r 	 e x p a n d s 	 a s 	 t h e 	 h o t 	 l i q u i d 	 i s 	 p o u r e d 	 i n t o 	 i t 	 b u t
t h e 	 o u t e r 	 l a y e r 	 d o e s 	 n o t 	 e x p a n d 	 t h u s 	 r e s u l t s 	 i n 	 c r a c k .
5 . 	 A n s w e r 	 t h e 	 f o l l o w i n g 	 q u e s t i o n 	 i n 	 5 0 - 6 0 	 w o r d s . 	 [ 1 4 ]
a . 	 A 	 s o i l 	 s a m p l e 	 t a k e s 	 4 5 	 m i n u t e s 	 t o 	 p e r c o l a t e 	 9 0 0 	 m l 	 o f 	 w a t e r . 	 C a l c u l a t e 	 t h e 	 r a t e 	 o f
p e r c o l a t i o n 	 o f 	 t h e 	 s o i l 	 s a m p l e .
b . 	 F r o m 	 w h i c h 	 a c i d s 	 a r e 	 t h e s e 	 s a l t s 	 o b t a i n e d 	 - 	 n i t r a t e s 	 a n d 	 s u l p h a t e s ?
c . 	 W h a t 	 i s 	 l o a m 	 s o i l ? 	 W h y 	 i s 	 i t 	 c o n s i d e r e d 	 t o 	 b e 	 t h e 	 b e s t 	 t o p 	 s o i l 	 f o r 	 g r o w i n g 	 p l a n t s ?
d . 	 W h a t 	 h a p p e n s 	 w h e n 	 d i l u t e 	 s u l p h u r i c 	 a c i d 	 r e a c t s 	 w i t h 	 z i n c ? 	 W r i t e 	 t h e 	 c h e m i c a l
r e a c t i o n 	 f o r 	 i t .
e . 	 W h a t 	 a d v e r s e 	 e f f e c t s 	 a r e 	 o b s e r v e d 	 o n 	 t h e 	 h e a l t h 	 o f 	 w o r k e r s 	 i n 	 t h e 	 s i l k 	 i n d u s t r y ?
f . 	 D i f f e r e n t i a t e 	 b e t w e e n 	 a b s o r p t i o n 	 a n d 	 a s s i m i l a t i o n .
g . 	 W h y 	 d o e s 	 t o p 	 s o i l 	 h a v e 	 m o r e 	 h u m u s 	 t h a n 	 s u b 	 s o i l ? 	 N a m e 	 f o u r 	 l i v i n g 	 o r g a n i s m s 	 f o u n d
i n 	 s o i l .
A n s . 	 a . 	 P e r c o l a t i o n 	 r a t e : 	 A m o u n t 	 o f 	 w a t e r 	 a b s o r b e d 	 p e r 	 p e r c o l a t i o n 	 t i m e 	 9 0 0 / 4 5 = 2 0 m l / m i n
b . 	 n i t r i c 	 a c i d 	 a n d 	 s u l p h u r i c 	 a c i d .
c . 	 L o a m 	 i s 	 a 	 m i x t u r e 	 o f 	 s a n d , 	 s i l t 	 a n d 	 c l a y 	 a l s o 	 i t 	 h a s 	 h u m u s 	 i n 	 i t . 	 S i n c e 	 i t 	 h a s 	 r i g h t 	 a m o u n t 	 o f
w a t e r 	 a n d 	 a d e q u a t e 	 a i r 	 s p a c e 	 f o r 	 p l a n t s 	 g r o w t h 	 s o 	 i t 	 i s 	 c o n s i d e r e d 	 a s 	 b e s t 	 t o p s o i l 	 f o r 	 p l a n t s .
d . 	 W r i t e 	 c h e m i c a l 	 r e a c t i o n 	 a n d 	 t h e 	 r e l a t e d 	 e x p l a n a t i o n .
e . 	 E x p l a i n 	 a b o u t 	 r e s p i r a t o r y 	 d i s e a s e s 	 a n d 	 s c a b i e s 	 a n d 	 o t h e r 	 s k i n 	 i n f e c t i o n s 	 o f 	 w o r k e r s
w o r k i n g 	 i n 	 s e r i c u l t u r e 	 i n d u s t r i e s .
f . 	 T h e 	 p r o c e s s 	 b y 	 w h i c h 	 t h e 	 f o o d 	 i n 	 s o l u b l e 	 f o r m 	 p a s s e s 	 i n t o 	 t h e 	 b o d y 	 f l u i d 	 s u c h 	 a s 	 b l o o d 	 i s
c a l l e d 	 a b s o r p t i o n 	 w h i l e 	 u s i n g 	 t h e 	 a b s o r b e d 	 f o o d 	 f o r 	 p r o d u c i n g 	 e n e r g y 	 i s 	 c a l l e d 	 a s s i m i l a t i o n .
g . 	 A 	 v a r i e t y 	 o f 	 d e a d 	 a n d 	 d e c a y i n g 	 o r g a n i s m s 	 c o n t r i b u t e 	 t o 	 t h e 	 f o r m a t i o n 	 o f 	 h u m u s 	 i n 	 t h e 	 t o p
s o i l . 	 B e s i d e s 	 e a r t h 	 w o r m s , 	 o t h e r 	 o r g a n i s m s 	 i n c l u d e 	 m i l l i p e d e s , 	 c e n t i p e d e s , 	 a n t s , 	 f u n g i 	 a n d
b a c t e r i a .
6 . 	 A n s w e r 	 t h e 	 f o l l o w i n g 	 q u e s t i o n 	 i n 	 8 0 - 8 5 	 w o r d s . 	 [ 2 4 ]
a . 	 W h a t 	 a r e 	 t h e 	 e n d 	 p r o d u c t s 	 o f 	 p h o t o s y n t h e s i s ? 	 W h a t 	 i s 	 t h e 	 s i g n i f i c a n c e 	 o f
p h o t o s y n t h e s i s ?
b . 	 N a m e 	 a n y 	 t h r e e 	 t y p e s 	 o f 	 t e e t h 	 i n 	 h u m a n s 	 a n d 	 w r i t e 	 t h e i r 	 f u n c t i o n s .
c . 	 A 	 c o m p o u n d 	 a n d 	 a n 	 e l e m e n t 	 a r e 	 p u r e 	 s u b s t a n c e . 	 W r i t e 	 a n y 	 t h r e e 	 d i f f e r e n c e s
b e t w e e n 	 t h e 	 t w o .
d . 	 D e s c r i b e 	 t h e 	 l i f e 	 h i s t o r y 	 o f 	 a 	 s i l k 	 m o t h 	 b r i e f l y . 	 M a k e 	 s k e t c h e s 	 o f 	 t h e 	 t w o 	 s t a g e s 	 i n 	 t h e
l i f e 	 h i s t o r y 	 o f 	 s i l k 	 m o t h 	 w h i c h 	 a r e 	 d i r e c t l y 	 r e l a t e d 	 t o 	 t h e 	 p r o d u c t i o n 	 o f 	 s i l k .
e . 	 i . 	 C o n v e r t 	 2 0
0
C 	 t o 	
0
F .
i i . 	 W h a t 	 d o 	 y o u 	 m e a n 	 b y 	 u p p e r 	 f i x e d 	 p o i n t 	 i n 	 a 	 t h e r m o m e t e r 	 i n 	 C e l s i u s 	 s c a l e ?
f . 	 G i v e 	 t h r e e 	 u s e s 	 o f 	 a m m o n i u m 	 h y d r o x i d e .
g . 	 O n e 	 d a y 	 S a n g e e t a 	 g o t 	 a n 	 a n t 	 s t i n g . 	 H e r 	 m o t h e r 	 a d v i s e d 	 h e r 	 t o 	 a p p l y 	 c a l a m i n e 	 l o t i o n
a f t e r 	 w a s h i n g 	 i t 	 w i t h 	 s o a p 	 w a t e r .
i . 	 W h i c h 	 a c i d 	 i s 	 p r e s e n t 	 i n 	 t h e 	 a n t 	 s t i n g ?
i i . 	 W r i t e 	 t w o 	 v a l u e s 	 d i s p l a y e d 	 b y 	 S a n g e e t a ’ s 	 m o t h e r .
h . 	 N a m e 	 a n y 	 f o u r 	 t h i n g s 	 w h i c h 	 c a u s e 	 s o i l 	 p o l l u t i o n . 	 H o w 	 c a n 	 s o i l 	 p o l l u t i o n 	 b e
p r e v e n t e d ?
A n s . 	 a . 	 T h e 	 e n d 	 p r o d u c t s 	 o f 	 p h o t o s y n t h e s i s 	 a r e 	 o x y g e n , 	 g l u c o s e 	 a n d 	 w a t e r 	 v a p o u r .
S i g n i f i c a n c e 	 o f 	 p h o t o s y n t h e s i s 	 i s : 	 T h e 	 p l a n t s 	 m a k e 	 f o o d 	 f o r 	 e n t i r e 	 l i v i n g 	 w o r l d 	 a n d 	 m a i n t a i n
t h e 	 b a l a n c e 	 b e t w e e n 	 t h e 	 o x y g e n 	 a n d 	 c a r b o n 	 d i o x i d e 	 l e v e l s 	 i n 	 t h e a t m o s p h e r e .
b . 	 T h e 	 f o u r 	 t y p e s 	 o f 	 t e e t h 	 i n 	 h u m a n s 	 a r e 	 i n c i s o r s , 	 c a n i n e s , 	 p r e m o l a r s 	 a n d 	 m o l a r s . 	 W r i t e 	 t h e i r
f u n c t i o n s .
c .
E l e m e n t s C o m p o u n d s
A 	 s u b s t a n c e 	 t h a t 	 i s 	 f o r m e d 	 o f
o n l y 	 o f 	 a t o m s 	 i s 	 c a l l e d 	 a n
e l e m e n t .
E x a m p l e : 	 h y d r o g e n , 	 o x y g e n 	 a n
e l e m e n t 	 c a n n o t 	 b e 	 b r o k e n
A 	 s u b s t a n c e 	 f o r m e d 	 b y 	 t h e 	 c h e m i c a l 	 c o m b i n a t i o n 	 o f 	 t w o
o r 	 m o r e 	 e l e m e n t s 	 i n 	 f i x e d 	 p r o p o r t i o n s 	 i s 	 c a l l e d 	 a
c o m p o u n d
E x a m p l e 	 – 	 w a t e r 	 A 	 c o m p o u n d 	 c a n 	 b e 	 b r o k e n 	 i n t o 	 i t s
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FAQs on Class 7 Science: CBSE Past Year Paper - 6 - Science Class 7

1. What is the CBSE Class 7 Science Past Year Paper - 6?
Ans. The CBSE Class 7 Science Past Year Paper - 6 refers to the sixth past year paper for the Science subject of Class 7, conducted by the Central Board of Secondary Education (CBSE). It is a question paper that contains questions from previous years' examinations.
2. How can I access the CBSE Class 7 Science Past Year Paper - 6?
Ans. You can access the CBSE Class 7 Science Past Year Paper - 6 through various sources. It is available on the official website of CBSE, where you can download it in PDF format. You can also find it on educational websites, online platforms, or through study materials provided by teachers or coaching institutes.
3. Why should I solve the CBSE Class 7 Science Past Year Paper - 6?
Ans. Solving the CBSE Class 7 Science Past Year Paper - 6 can be beneficial in several ways. It helps you understand the exam pattern and marking scheme of the Science subject. By solving previous year papers, you get familiar with the types of questions asked in the exam, which can enhance your problem-solving skills and time management. It also gives you an opportunity to assess your preparation level and identify the areas where you need improvement.
4. Are the questions in the CBSE Class 7 Science Past Year Paper - 6 exactly the same as in the actual exam?
Ans. While the CBSE Class 7 Science Past Year Paper - 6 includes questions from previous years' exams, it is important to note that the exact questions may not be repeated in the current year's exam. However, solving these past year papers can give you an idea of the question pattern, difficulty level, and important topics. It helps you practice and gain confidence for the actual exam.
5. Can I rely solely on solving the CBSE Class 7 Science Past Year Paper - 6 for my exam preparation?
Ans. Solving the CBSE Class 7 Science Past Year Paper - 6 is an effective practice for exam preparation, but it should not be the sole source of your preparation. It is recommended to thoroughly study the textbook, understand the concepts, and practice additional questions from various sources. Along with solving past year papers, it is important to revise the entire syllabus, clarify doubts, and seek guidance from teachers or mentors to achieve better results in the exam.
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