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G e n e r a l 	 I n s t r u c t i o n s :
1 . 	 A l l 	 t h e 	 q u e s t i o n s 	 a r e 	 c o m p u l s o r y .
2 . 	 Q . 	 n o . 	 1 	 t o 	 1 0 	 c a r r y 	 o n e 	 m a r k 	 e a c h . 	 T h e s e 	 m u s t 	 b e 	 a n s w e r e d 	 i n 	 o n e 	 w o r d 	 t o 	 o n e 	 s e n t e n c e
o n l y .
3 . 	 Q . 	 n o . 	 1 1 	 t o 	 1 8 	 c a r r y 	 t w o 	 m a r k s 	 e a c h . 	 T h e s e 	 m u s t 	 b e 	 a n s w e r e d 	 i n 	 2 0 - 3 0 	 w o r d s 	 e a c h .
4 . 	 Q . 	 n o . 	 1 9 	 t o 	 2 6 	 c a r r y 	 t h r e e 	 m a r k s 	 e a c h . 	 T h e s e 	 m u s t 	 b e 	 a n s w e r e d 	 i n 	 3 0 - 5 0 	 w o r d s 	 e a c h .
5 . 	 Q . 	 n o . 	 2 7 	 t o 	 3 2 	 c a r r y 	 5 	 m a r k s 	 e a c h . 	 T h e s e 	 m u s t 	 b e 	 a n s w e r e d 	 i n 	 5 0 - 7 0 	 w o r d s 	 e a c h .
6 . 	 T h e r e 	 i s 	 n o 	 o v e r a l l 	 c h o i c e 	 i n 	 t h e 	 q u e s t i o n 	 p a p e r . 	 H o w e v e r 	 t h e r e 	 i s 	 i n t e r n a l 	 c h o i c e 	 i n 	 Q .
n o . 	 1 5 .
7 . 	 D r a w 	 n e a t , 	 w e l l - l a b e l l e d 	 d i a g r a m s 	 w h e r e v e r 	 r e q u i r e d .
Q . 	 1 . 	 N a m e 	 t h e 	 p a r t 	 o f 	 t h e 	 p l a n t 	 w h i c h 	 p r o d u c e s 	 i t s 	 f o o d .
Q . 	 2 . 	 R o h a n 	 s p i l l e d 	 i o d i n e 	 s o l u t i o n 	 o n 	 b o i l e d 	 r i c e 	 b y 	 m i s t a k e . 	 T h e 	 r i c e 	 t u r n e d 	 b l u e - b l a c k .
W h i c h 	 n u t r i e n t 	 i s 	 p r e s e n t 	 i n 	 r i c e ?
Q . 	 3 . 	 W h i c h 	 m e t h o d 	 w i l l 	 y o u 	 u s e 	 t o 	 s e p a r a t e 	 m a n g o e s 	 f r o m 	 b a s k e t 	 c o n t a i n i n g 	 v a r i o u s 	 t y p e s
o f 	 f r u i t s ?
Q . 	 4 . 	 N a m e 	 t w o 	 i t e m s 	 t h a t 	 a r e 	 m a d e 	 f r o m 	 c o c o n u t 	 f i b r e s .
Q . 	 5 . 	 D e f i n e 	 s p i n n i n g .
Q . 	 6 . 	 I f 	 a 	 P l a n t 	 h a s 	 f i b r o u s 	 r o o t , 	 w h a t 	 t y p e 	 o f 	 v e n a t i o n 	 d o 	 i t s 	 l e a v e s 	 a r e 	 l i k e l y 	 t o 	 h a v e ?
Q . 	 7 . 	 W h a t 	 i s 	 t h e 	 p r o c e s s 	 o f 	 c o n v e r s i o n 	 o f 	 w a t e r 	 v a p o u r 	 i n t o 	 i t s 	 l i q u i d 	 f r o m 	 c a l l e d ?
Q . 	 8 . 	 N a m e 	 t h e 	 n u t r i e n t s 	 w h i c h 	 m a i n l y 	 g i v e 	 e n e r g y 	 t o 	 o u r 	 b o d y .
Q . 	 9 . 	 F r o m 	 w h i c h 	 p a r t 	 o f 	 t h e 	 p l a n t 	 c o t t o n 	 a n d 	 j u t e 	 f i b r e s 	 a r e 	 o b t a i n e d ?
Q . 	 1 0 . 	 R e n u 	 f i n d s 	 i t 	 d i f f i c u l t 	 t o 	 m o v e 	 o u t s i d e 	 a f t e r 	 s u n s e t 	 a s 	 s h e 	 c o u l d n ’ t 	 s e e 	 p r o p e r l y 	 i n
Page 2


G e n e r a l 	 I n s t r u c t i o n s :
1 . 	 A l l 	 t h e 	 q u e s t i o n s 	 a r e 	 c o m p u l s o r y .
2 . 	 Q . 	 n o . 	 1 	 t o 	 1 0 	 c a r r y 	 o n e 	 m a r k 	 e a c h . 	 T h e s e 	 m u s t 	 b e 	 a n s w e r e d 	 i n 	 o n e 	 w o r d 	 t o 	 o n e 	 s e n t e n c e
o n l y .
3 . 	 Q . 	 n o . 	 1 1 	 t o 	 1 8 	 c a r r y 	 t w o 	 m a r k s 	 e a c h . 	 T h e s e 	 m u s t 	 b e 	 a n s w e r e d 	 i n 	 2 0 - 3 0 	 w o r d s 	 e a c h .
4 . 	 Q . 	 n o . 	 1 9 	 t o 	 2 6 	 c a r r y 	 t h r e e 	 m a r k s 	 e a c h . 	 T h e s e 	 m u s t 	 b e 	 a n s w e r e d 	 i n 	 3 0 - 5 0 	 w o r d s 	 e a c h .
5 . 	 Q . 	 n o . 	 2 7 	 t o 	 3 2 	 c a r r y 	 5 	 m a r k s 	 e a c h . 	 T h e s e 	 m u s t 	 b e 	 a n s w e r e d 	 i n 	 5 0 - 7 0 	 w o r d s 	 e a c h .
6 . 	 T h e r e 	 i s 	 n o 	 o v e r a l l 	 c h o i c e 	 i n 	 t h e 	 q u e s t i o n 	 p a p e r . 	 H o w e v e r 	 t h e r e 	 i s 	 i n t e r n a l 	 c h o i c e 	 i n 	 Q .
n o . 	 1 5 .
7 . 	 D r a w 	 n e a t , 	 w e l l - l a b e l l e d 	 d i a g r a m s 	 w h e r e v e r 	 r e q u i r e d .
Q . 	 1 . 	 N a m e 	 t h e 	 p a r t 	 o f 	 t h e 	 p l a n t 	 w h i c h 	 p r o d u c e s 	 i t s 	 f o o d .
Q . 	 2 . 	 R o h a n 	 s p i l l e d 	 i o d i n e 	 s o l u t i o n 	 o n 	 b o i l e d 	 r i c e 	 b y 	 m i s t a k e . 	 T h e 	 r i c e 	 t u r n e d 	 b l u e - b l a c k .
W h i c h 	 n u t r i e n t 	 i s 	 p r e s e n t 	 i n 	 r i c e ?
Q . 	 3 . 	 W h i c h 	 m e t h o d 	 w i l l 	 y o u 	 u s e 	 t o 	 s e p a r a t e 	 m a n g o e s 	 f r o m 	 b a s k e t 	 c o n t a i n i n g 	 v a r i o u s 	 t y p e s
o f 	 f r u i t s ?
Q . 	 4 . 	 N a m e 	 t w o 	 i t e m s 	 t h a t 	 a r e 	 m a d e 	 f r o m 	 c o c o n u t 	 f i b r e s .
Q . 	 5 . 	 D e f i n e 	 s p i n n i n g .
Q . 	 6 . 	 I f 	 a 	 P l a n t 	 h a s 	 f i b r o u s 	 r o o t , 	 w h a t 	 t y p e 	 o f 	 v e n a t i o n 	 d o 	 i t s 	 l e a v e s 	 a r e 	 l i k e l y 	 t o 	 h a v e ?
Q . 	 7 . 	 W h a t 	 i s 	 t h e 	 p r o c e s s 	 o f 	 c o n v e r s i o n 	 o f 	 w a t e r 	 v a p o u r 	 i n t o 	 i t s 	 l i q u i d 	 f r o m 	 c a l l e d ?
Q . 	 8 . 	 N a m e 	 t h e 	 n u t r i e n t s 	 w h i c h 	 m a i n l y 	 g i v e 	 e n e r g y 	 t o 	 o u r 	 b o d y .
Q . 	 9 . 	 F r o m 	 w h i c h 	 p a r t 	 o f 	 t h e 	 p l a n t 	 c o t t o n 	 a n d 	 j u t e 	 f i b r e s 	 a r e 	 o b t a i n e d ?
Q . 	 1 0 . 	 R e n u 	 f i n d s 	 i t 	 d i f f i c u l t 	 t o 	 m o v e 	 o u t s i d e 	 a f t e r 	 s u n s e t 	 a s 	 s h e 	 c o u l d n ’ t 	 s e e 	 p r o p e r l y 	 i n
d a r k n e s s . 	 W h a t 	 n u t r i e n t 	 m a y 	 b e 	 l a c k i n g 	 i n 	 h e r 	 d i e t ?
Q . 	 1 1 . 	 W h y 	 d o 	 w e 	 n e e d 	 t o 	 s e p a r a t e 	 d i f f e r e n t 	 c o m p o n e n t s 	 o f 	 m i x t u r e ? 	 G i v e 	 a n y 	 t w o 	 p o i n t s .
Q . 	 1 2 . 	 W e 	 k n o w 	 t h a t 	 a 	 p l a n t 	 c a n n o t 	 l i v e 	 w i t h o u t 	 r o o t s 	 w h y 	 a r e 	 r o o t s 	 e s s e n t i a l 	 f o r 	 a 	 p l a n t ?
G i v e 	 a n y 	 t w o 	 p o i n t s .
Q . 	 1 3 . 	 W r i t e 	 t h e 	 n a m e s 	 o f 	 a n y 	 t w o 	 d e v i c e s 	 u s e d 	 f o r 	 s p i n n i n g . 	 A l s o 	 w r i t e 	 n a m e 	 o f 	 d e v i c e s 	 u s e d
f o r 	 w e a v i n g 	 a n d 	 k n i t t i n g .
Q . 	 1 4 . 	 P i y u s h 	 l i k e s 	 e a t i n g 	 f a t - r i c h 	 f o o d 	 l i k e 	 s a m o s a 	 a n d 	 p o o r i 	 v e r y 	 m u c h . 	 W h e n 	 h i s 	 m o t h e r
a s k e d 	 h i m 	 t o 	 e a t 	 v e g e t a b l e s , 	 f r u i t s 	 e t c . 	 h e 	 s a i d 	 f a t s 	 g i v e 	 m o r e 	 e n e r g y 	 w a s 	 h e 	 r i g h t ? 	 W h a t 	 d o
y o u 	 t h i n k 	 h e 	 s h o u l d 	 e a t ?
Q . 	 1 5 . 	 F i l l 	 i n 	 t h e 	 b l a n k s :
( i ) 	 . . . . . . . . . . 	 d o 	 n o t 	 a b s o r b 	 w a t e r .
( i i ) 	 . . . . . . . . . . 	 i s 	 g r o w n 	 m o r e 	 i n 	 A s s a m 	 a n d 	 B e n g a l .
O R
T i c k 	 t h e 	 c o r r e c t 	 s t a t e m e n t s :
( i ) 	 S y n t h e t i c 	 f i b r e s 	 a r e 	 s t r o n g e r 	 t h a n 	 n a t u r a l 	 f i b r e s .
( i i ) 	 W e 	 g e t 	 s i l k 	 f r o m 	 Y a k .
Q . 	 1 6 . 	 W h a t 	 i s 	 t r a n s p i r a t i o n ?
Q . 	 1 7 . 	 N a m e 	 t h e 	 f o l l o w i n g s :
( i ) 	 D i s e a s e 	 c a u s e d 	 d u e 	 t o 	 d e f i c i e n c y 	 o f 	 i r o n .
( i i ) 	 D i s e a s e 	 c a u s e d 	 d u e 	 t o 	 d e f i c i e n c y 	 o f 	 v i t a m i n 	 D .
Q . 	 1 8 . 	 W h a t 	 a r e 	 h e r b s ? 	 G i v e 	 o n e 	 e x a m p l e .
Q . 	 1 9 . 	 H o w 	 w i l l 	 y o u 	 b e s t 	 f o r 	 t h e 	 p r e s e n c e 	 o f 	 p r o t e i n 	 i n 	 a 	 f o o d - i t e m ?
Q . 	 2 0 . 	 T r u e 	 o r 	 F a l s e ?
( a ) 	 S t e m 	 a b s o r b s 	 w a t e r 	 a n d 	 m i n e r a l s 	 f r o m 	 t h e 	 s o i l .
( b ) 	 T h e 	 n u m b e r 	 o f 	 p e t a l s 	 a n d 	 s e p a l s 	 i n 	 a 	 f l o w e r 	 i s 	 a l w a y s 	 e q u a l .
( c ) 	 B e a d 	 l i k e 	 s t r u c t u r e s 	 i n 	 o v a r y 	 a r e 	 c a l l e d 	 o v u l e s
Page 3


G e n e r a l 	 I n s t r u c t i o n s :
1 . 	 A l l 	 t h e 	 q u e s t i o n s 	 a r e 	 c o m p u l s o r y .
2 . 	 Q . 	 n o . 	 1 	 t o 	 1 0 	 c a r r y 	 o n e 	 m a r k 	 e a c h . 	 T h e s e 	 m u s t 	 b e 	 a n s w e r e d 	 i n 	 o n e 	 w o r d 	 t o 	 o n e 	 s e n t e n c e
o n l y .
3 . 	 Q . 	 n o . 	 1 1 	 t o 	 1 8 	 c a r r y 	 t w o 	 m a r k s 	 e a c h . 	 T h e s e 	 m u s t 	 b e 	 a n s w e r e d 	 i n 	 2 0 - 3 0 	 w o r d s 	 e a c h .
4 . 	 Q . 	 n o . 	 1 9 	 t o 	 2 6 	 c a r r y 	 t h r e e 	 m a r k s 	 e a c h . 	 T h e s e 	 m u s t 	 b e 	 a n s w e r e d 	 i n 	 3 0 - 5 0 	 w o r d s 	 e a c h .
5 . 	 Q . 	 n o . 	 2 7 	 t o 	 3 2 	 c a r r y 	 5 	 m a r k s 	 e a c h . 	 T h e s e 	 m u s t 	 b e 	 a n s w e r e d 	 i n 	 5 0 - 7 0 	 w o r d s 	 e a c h .
6 . 	 T h e r e 	 i s 	 n o 	 o v e r a l l 	 c h o i c e 	 i n 	 t h e 	 q u e s t i o n 	 p a p e r . 	 H o w e v e r 	 t h e r e 	 i s 	 i n t e r n a l 	 c h o i c e 	 i n 	 Q .
n o . 	 1 5 .
7 . 	 D r a w 	 n e a t , 	 w e l l - l a b e l l e d 	 d i a g r a m s 	 w h e r e v e r 	 r e q u i r e d .
Q . 	 1 . 	 N a m e 	 t h e 	 p a r t 	 o f 	 t h e 	 p l a n t 	 w h i c h 	 p r o d u c e s 	 i t s 	 f o o d .
Q . 	 2 . 	 R o h a n 	 s p i l l e d 	 i o d i n e 	 s o l u t i o n 	 o n 	 b o i l e d 	 r i c e 	 b y 	 m i s t a k e . 	 T h e 	 r i c e 	 t u r n e d 	 b l u e - b l a c k .
W h i c h 	 n u t r i e n t 	 i s 	 p r e s e n t 	 i n 	 r i c e ?
Q . 	 3 . 	 W h i c h 	 m e t h o d 	 w i l l 	 y o u 	 u s e 	 t o 	 s e p a r a t e 	 m a n g o e s 	 f r o m 	 b a s k e t 	 c o n t a i n i n g 	 v a r i o u s 	 t y p e s
o f 	 f r u i t s ?
Q . 	 4 . 	 N a m e 	 t w o 	 i t e m s 	 t h a t 	 a r e 	 m a d e 	 f r o m 	 c o c o n u t 	 f i b r e s .
Q . 	 5 . 	 D e f i n e 	 s p i n n i n g .
Q . 	 6 . 	 I f 	 a 	 P l a n t 	 h a s 	 f i b r o u s 	 r o o t , 	 w h a t 	 t y p e 	 o f 	 v e n a t i o n 	 d o 	 i t s 	 l e a v e s 	 a r e 	 l i k e l y 	 t o 	 h a v e ?
Q . 	 7 . 	 W h a t 	 i s 	 t h e 	 p r o c e s s 	 o f 	 c o n v e r s i o n 	 o f 	 w a t e r 	 v a p o u r 	 i n t o 	 i t s 	 l i q u i d 	 f r o m 	 c a l l e d ?
Q . 	 8 . 	 N a m e 	 t h e 	 n u t r i e n t s 	 w h i c h 	 m a i n l y 	 g i v e 	 e n e r g y 	 t o 	 o u r 	 b o d y .
Q . 	 9 . 	 F r o m 	 w h i c h 	 p a r t 	 o f 	 t h e 	 p l a n t 	 c o t t o n 	 a n d 	 j u t e 	 f i b r e s 	 a r e 	 o b t a i n e d ?
Q . 	 1 0 . 	 R e n u 	 f i n d s 	 i t 	 d i f f i c u l t 	 t o 	 m o v e 	 o u t s i d e 	 a f t e r 	 s u n s e t 	 a s 	 s h e 	 c o u l d n ’ t 	 s e e 	 p r o p e r l y 	 i n
d a r k n e s s . 	 W h a t 	 n u t r i e n t 	 m a y 	 b e 	 l a c k i n g 	 i n 	 h e r 	 d i e t ?
Q . 	 1 1 . 	 W h y 	 d o 	 w e 	 n e e d 	 t o 	 s e p a r a t e 	 d i f f e r e n t 	 c o m p o n e n t s 	 o f 	 m i x t u r e ? 	 G i v e 	 a n y 	 t w o 	 p o i n t s .
Q . 	 1 2 . 	 W e 	 k n o w 	 t h a t 	 a 	 p l a n t 	 c a n n o t 	 l i v e 	 w i t h o u t 	 r o o t s 	 w h y 	 a r e 	 r o o t s 	 e s s e n t i a l 	 f o r 	 a 	 p l a n t ?
G i v e 	 a n y 	 t w o 	 p o i n t s .
Q . 	 1 3 . 	 W r i t e 	 t h e 	 n a m e s 	 o f 	 a n y 	 t w o 	 d e v i c e s 	 u s e d 	 f o r 	 s p i n n i n g . 	 A l s o 	 w r i t e 	 n a m e 	 o f 	 d e v i c e s 	 u s e d
f o r 	 w e a v i n g 	 a n d 	 k n i t t i n g .
Q . 	 1 4 . 	 P i y u s h 	 l i k e s 	 e a t i n g 	 f a t - r i c h 	 f o o d 	 l i k e 	 s a m o s a 	 a n d 	 p o o r i 	 v e r y 	 m u c h . 	 W h e n 	 h i s 	 m o t h e r
a s k e d 	 h i m 	 t o 	 e a t 	 v e g e t a b l e s , 	 f r u i t s 	 e t c . 	 h e 	 s a i d 	 f a t s 	 g i v e 	 m o r e 	 e n e r g y 	 w a s 	 h e 	 r i g h t ? 	 W h a t 	 d o
y o u 	 t h i n k 	 h e 	 s h o u l d 	 e a t ?
Q . 	 1 5 . 	 F i l l 	 i n 	 t h e 	 b l a n k s :
( i ) 	 . . . . . . . . . . 	 d o 	 n o t 	 a b s o r b 	 w a t e r .
( i i ) 	 . . . . . . . . . . 	 i s 	 g r o w n 	 m o r e 	 i n 	 A s s a m 	 a n d 	 B e n g a l .
O R
T i c k 	 t h e 	 c o r r e c t 	 s t a t e m e n t s :
( i ) 	 S y n t h e t i c 	 f i b r e s 	 a r e 	 s t r o n g e r 	 t h a n 	 n a t u r a l 	 f i b r e s .
( i i ) 	 W e 	 g e t 	 s i l k 	 f r o m 	 Y a k .
Q . 	 1 6 . 	 W h a t 	 i s 	 t r a n s p i r a t i o n ?
Q . 	 1 7 . 	 N a m e 	 t h e 	 f o l l o w i n g s :
( i ) 	 D i s e a s e 	 c a u s e d 	 d u e 	 t o 	 d e f i c i e n c y 	 o f 	 i r o n .
( i i ) 	 D i s e a s e 	 c a u s e d 	 d u e 	 t o 	 d e f i c i e n c y 	 o f 	 v i t a m i n 	 D .
Q . 	 1 8 . 	 W h a t 	 a r e 	 h e r b s ? 	 G i v e 	 o n e 	 e x a m p l e .
Q . 	 1 9 . 	 H o w 	 w i l l 	 y o u 	 b e s t 	 f o r 	 t h e 	 p r e s e n c e 	 o f 	 p r o t e i n 	 i n 	 a 	 f o o d - i t e m ?
Q . 	 2 0 . 	 T r u e 	 o r 	 F a l s e ?
( a ) 	 S t e m 	 a b s o r b s 	 w a t e r 	 a n d 	 m i n e r a l s 	 f r o m 	 t h e 	 s o i l .
( b ) 	 T h e 	 n u m b e r 	 o f 	 p e t a l s 	 a n d 	 s e p a l s 	 i n 	 a 	 f l o w e r 	 i s 	 a l w a y s 	 e q u a l .
( c ) 	 B e a d 	 l i k e 	 s t r u c t u r e s 	 i n 	 o v a r y 	 a r e 	 c a l l e d 	 o v u l e s
Q . 	 2 1 . 	 D i f f e r e n t i a t e 	 b e t w e e n 	 n a t u r a l 	 f i b r e s 	 a n d 	 s y n t h e t i c 	 f i b r e s . 	 G i v e 	 t w o 	 e x a m p l e s 	 o f 	 e a c h .
Q . 	 2 2 . 	 M a t c h 	 t h e 	 c o l u m n 	 I 	 ( m i x t u r e ) 	 w i t h 	 c o l u m n 	 I I 	 ( m e t h o d 	 o f 	 s e p a r a t i o n )
C o l u m n 	 I C o l u m n 	 I I
( i ) 	 S e e d s 	 i n 	 f r u i t 	 j u i c e F i l t r a t i o n
( i i ) 	 I r o n 	 p o w d e r 	 i n 	 s a l t C h u r n i n g
( i i i ) 	 S a l t 	 i n 	 w a t e r S i e v i n g
( i v ) 	 S t o n e s 	 i n 	 p u l s e s M a g n e t i c 	 S e p a r a t i o n
( v ) 	 B u t t e r 	 f r o m 	 c u r d H a n d 	 p i c k i n g
( v i ) 	 S a n d 	 i n 	 w a t e r E v a p o r a t i o n
Q . 	 2 3 . 	 W h a t 	 i s 	 l e a f 	 v e n a t i o n ? 	 D r a w 	 d i a g r a m s 	 o f 	 r e t i c u l a t e 	 a n d 	 p a r a l l e l 	 v e n a t i o n 	 i n 	 l e a v e s .
Q . 	 2 4 . 	 I s 	 i t 	 p o s s i b l e 	 t o 	 s e p a r a t e 	 s u g a r 	 m i x e d 	 w i t h 	 w h e a t 	 f l o u r ? 	 I f 	 y e s , 	 h o w 	 w i l l 	 y o u 	 d o 	 i t ?
Q . 	 2 5 . 	 I f 	 t h e 	 d i e t 	 o f 	 a 	 p e r s o n 	 i s 	 d e f i c i e n t 	 i n 	 b o t h 	 p r o t e i n s 	 a n d 	 c a r b o h y d r a t e s 	 f o r 	 a 	 l o n g 	 t i m e ,
t h e 	 g r o w t h 	 m a y 	 s t o p 	 c o m p l e t e l y . 	 S u c h 	 a 	 p e r s o n 	 b e c o m e s 	 v e r y 	 t h i n 	 a n d 	 w e a k . 	 T h i s 	 a
d e f i c i e n c y 	 d i s e a s e :
( i ) 	 W h a t 	 a r e 	 d e f i c i e n c y 	 d i s e a s e ?
( i i ) 	 G i v e 	 o n e 	 s o u r c e 	 o f 	 c a r b o h y d r a t e 	 a n d 	 p r o t e i n 	 e a c h .
Q . 	 2 6 . 	 W h a t 	 d o 	 y o u 	 u n d e r s t a n d 	 b y 	 a 	 s a t u r a t e d 	 s o l u t i o n ? 	 C a n 	 w e 	 d i s s o l v e 	 s o m e 	 m o r e
s u b s t a n c e 	 i n 	 s a t u r a t e d 	 s o l u t i o n ? 	 E x p l a i n 	 y o u r 	 a n s w e r 	 w i t h 	 r e a s o n .
Q . 	 2 7 . 	 C o m p l e t e 	 t h e 	 f o l l o w i n g 	 t a b l e :
S . N o . V i t a m i n / M i n e r a l D e f i c i e n c y 	 D i s e a s e S y m p t o m s
( 1 ) V i t a m i n 	 A . . . . . . . . . . L o s s 	 o f 	 v i s i o n 	 i n 	 d a r k n e s s
( 2 ) . . . . . . . . . . B e r i - B e r i W e a k 	 m u s c l e s
( 3 ) V i t a m i n 	 C . . . . . . . . . . B l e e d i n g 	 G u m s
( 4 ) . . . . . . . . . . G o i t e r . . . . . . . . . .
Page 4


G e n e r a l 	 I n s t r u c t i o n s :
1 . 	 A l l 	 t h e 	 q u e s t i o n s 	 a r e 	 c o m p u l s o r y .
2 . 	 Q . 	 n o . 	 1 	 t o 	 1 0 	 c a r r y 	 o n e 	 m a r k 	 e a c h . 	 T h e s e 	 m u s t 	 b e 	 a n s w e r e d 	 i n 	 o n e 	 w o r d 	 t o 	 o n e 	 s e n t e n c e
o n l y .
3 . 	 Q . 	 n o . 	 1 1 	 t o 	 1 8 	 c a r r y 	 t w o 	 m a r k s 	 e a c h . 	 T h e s e 	 m u s t 	 b e 	 a n s w e r e d 	 i n 	 2 0 - 3 0 	 w o r d s 	 e a c h .
4 . 	 Q . 	 n o . 	 1 9 	 t o 	 2 6 	 c a r r y 	 t h r e e 	 m a r k s 	 e a c h . 	 T h e s e 	 m u s t 	 b e 	 a n s w e r e d 	 i n 	 3 0 - 5 0 	 w o r d s 	 e a c h .
5 . 	 Q . 	 n o . 	 2 7 	 t o 	 3 2 	 c a r r y 	 5 	 m a r k s 	 e a c h . 	 T h e s e 	 m u s t 	 b e 	 a n s w e r e d 	 i n 	 5 0 - 7 0 	 w o r d s 	 e a c h .
6 . 	 T h e r e 	 i s 	 n o 	 o v e r a l l 	 c h o i c e 	 i n 	 t h e 	 q u e s t i o n 	 p a p e r . 	 H o w e v e r 	 t h e r e 	 i s 	 i n t e r n a l 	 c h o i c e 	 i n 	 Q .
n o . 	 1 5 .
7 . 	 D r a w 	 n e a t , 	 w e l l - l a b e l l e d 	 d i a g r a m s 	 w h e r e v e r 	 r e q u i r e d .
Q . 	 1 . 	 N a m e 	 t h e 	 p a r t 	 o f 	 t h e 	 p l a n t 	 w h i c h 	 p r o d u c e s 	 i t s 	 f o o d .
Q . 	 2 . 	 R o h a n 	 s p i l l e d 	 i o d i n e 	 s o l u t i o n 	 o n 	 b o i l e d 	 r i c e 	 b y 	 m i s t a k e . 	 T h e 	 r i c e 	 t u r n e d 	 b l u e - b l a c k .
W h i c h 	 n u t r i e n t 	 i s 	 p r e s e n t 	 i n 	 r i c e ?
Q . 	 3 . 	 W h i c h 	 m e t h o d 	 w i l l 	 y o u 	 u s e 	 t o 	 s e p a r a t e 	 m a n g o e s 	 f r o m 	 b a s k e t 	 c o n t a i n i n g 	 v a r i o u s 	 t y p e s
o f 	 f r u i t s ?
Q . 	 4 . 	 N a m e 	 t w o 	 i t e m s 	 t h a t 	 a r e 	 m a d e 	 f r o m 	 c o c o n u t 	 f i b r e s .
Q . 	 5 . 	 D e f i n e 	 s p i n n i n g .
Q . 	 6 . 	 I f 	 a 	 P l a n t 	 h a s 	 f i b r o u s 	 r o o t , 	 w h a t 	 t y p e 	 o f 	 v e n a t i o n 	 d o 	 i t s 	 l e a v e s 	 a r e 	 l i k e l y 	 t o 	 h a v e ?
Q . 	 7 . 	 W h a t 	 i s 	 t h e 	 p r o c e s s 	 o f 	 c o n v e r s i o n 	 o f 	 w a t e r 	 v a p o u r 	 i n t o 	 i t s 	 l i q u i d 	 f r o m 	 c a l l e d ?
Q . 	 8 . 	 N a m e 	 t h e 	 n u t r i e n t s 	 w h i c h 	 m a i n l y 	 g i v e 	 e n e r g y 	 t o 	 o u r 	 b o d y .
Q . 	 9 . 	 F r o m 	 w h i c h 	 p a r t 	 o f 	 t h e 	 p l a n t 	 c o t t o n 	 a n d 	 j u t e 	 f i b r e s 	 a r e 	 o b t a i n e d ?
Q . 	 1 0 . 	 R e n u 	 f i n d s 	 i t 	 d i f f i c u l t 	 t o 	 m o v e 	 o u t s i d e 	 a f t e r 	 s u n s e t 	 a s 	 s h e 	 c o u l d n ’ t 	 s e e 	 p r o p e r l y 	 i n
d a r k n e s s . 	 W h a t 	 n u t r i e n t 	 m a y 	 b e 	 l a c k i n g 	 i n 	 h e r 	 d i e t ?
Q . 	 1 1 . 	 W h y 	 d o 	 w e 	 n e e d 	 t o 	 s e p a r a t e 	 d i f f e r e n t 	 c o m p o n e n t s 	 o f 	 m i x t u r e ? 	 G i v e 	 a n y 	 t w o 	 p o i n t s .
Q . 	 1 2 . 	 W e 	 k n o w 	 t h a t 	 a 	 p l a n t 	 c a n n o t 	 l i v e 	 w i t h o u t 	 r o o t s 	 w h y 	 a r e 	 r o o t s 	 e s s e n t i a l 	 f o r 	 a 	 p l a n t ?
G i v e 	 a n y 	 t w o 	 p o i n t s .
Q . 	 1 3 . 	 W r i t e 	 t h e 	 n a m e s 	 o f 	 a n y 	 t w o 	 d e v i c e s 	 u s e d 	 f o r 	 s p i n n i n g . 	 A l s o 	 w r i t e 	 n a m e 	 o f 	 d e v i c e s 	 u s e d
f o r 	 w e a v i n g 	 a n d 	 k n i t t i n g .
Q . 	 1 4 . 	 P i y u s h 	 l i k e s 	 e a t i n g 	 f a t - r i c h 	 f o o d 	 l i k e 	 s a m o s a 	 a n d 	 p o o r i 	 v e r y 	 m u c h . 	 W h e n 	 h i s 	 m o t h e r
a s k e d 	 h i m 	 t o 	 e a t 	 v e g e t a b l e s , 	 f r u i t s 	 e t c . 	 h e 	 s a i d 	 f a t s 	 g i v e 	 m o r e 	 e n e r g y 	 w a s 	 h e 	 r i g h t ? 	 W h a t 	 d o
y o u 	 t h i n k 	 h e 	 s h o u l d 	 e a t ?
Q . 	 1 5 . 	 F i l l 	 i n 	 t h e 	 b l a n k s :
( i ) 	 . . . . . . . . . . 	 d o 	 n o t 	 a b s o r b 	 w a t e r .
( i i ) 	 . . . . . . . . . . 	 i s 	 g r o w n 	 m o r e 	 i n 	 A s s a m 	 a n d 	 B e n g a l .
O R
T i c k 	 t h e 	 c o r r e c t 	 s t a t e m e n t s :
( i ) 	 S y n t h e t i c 	 f i b r e s 	 a r e 	 s t r o n g e r 	 t h a n 	 n a t u r a l 	 f i b r e s .
( i i ) 	 W e 	 g e t 	 s i l k 	 f r o m 	 Y a k .
Q . 	 1 6 . 	 W h a t 	 i s 	 t r a n s p i r a t i o n ?
Q . 	 1 7 . 	 N a m e 	 t h e 	 f o l l o w i n g s :
( i ) 	 D i s e a s e 	 c a u s e d 	 d u e 	 t o 	 d e f i c i e n c y 	 o f 	 i r o n .
( i i ) 	 D i s e a s e 	 c a u s e d 	 d u e 	 t o 	 d e f i c i e n c y 	 o f 	 v i t a m i n 	 D .
Q . 	 1 8 . 	 W h a t 	 a r e 	 h e r b s ? 	 G i v e 	 o n e 	 e x a m p l e .
Q . 	 1 9 . 	 H o w 	 w i l l 	 y o u 	 b e s t 	 f o r 	 t h e 	 p r e s e n c e 	 o f 	 p r o t e i n 	 i n 	 a 	 f o o d - i t e m ?
Q . 	 2 0 . 	 T r u e 	 o r 	 F a l s e ?
( a ) 	 S t e m 	 a b s o r b s 	 w a t e r 	 a n d 	 m i n e r a l s 	 f r o m 	 t h e 	 s o i l .
( b ) 	 T h e 	 n u m b e r 	 o f 	 p e t a l s 	 a n d 	 s e p a l s 	 i n 	 a 	 f l o w e r 	 i s 	 a l w a y s 	 e q u a l .
( c ) 	 B e a d 	 l i k e 	 s t r u c t u r e s 	 i n 	 o v a r y 	 a r e 	 c a l l e d 	 o v u l e s
Q . 	 2 1 . 	 D i f f e r e n t i a t e 	 b e t w e e n 	 n a t u r a l 	 f i b r e s 	 a n d 	 s y n t h e t i c 	 f i b r e s . 	 G i v e 	 t w o 	 e x a m p l e s 	 o f 	 e a c h .
Q . 	 2 2 . 	 M a t c h 	 t h e 	 c o l u m n 	 I 	 ( m i x t u r e ) 	 w i t h 	 c o l u m n 	 I I 	 ( m e t h o d 	 o f 	 s e p a r a t i o n )
C o l u m n 	 I C o l u m n 	 I I
( i ) 	 S e e d s 	 i n 	 f r u i t 	 j u i c e F i l t r a t i o n
( i i ) 	 I r o n 	 p o w d e r 	 i n 	 s a l t C h u r n i n g
( i i i ) 	 S a l t 	 i n 	 w a t e r S i e v i n g
( i v ) 	 S t o n e s 	 i n 	 p u l s e s M a g n e t i c 	 S e p a r a t i o n
( v ) 	 B u t t e r 	 f r o m 	 c u r d H a n d 	 p i c k i n g
( v i ) 	 S a n d 	 i n 	 w a t e r E v a p o r a t i o n
Q . 	 2 3 . 	 W h a t 	 i s 	 l e a f 	 v e n a t i o n ? 	 D r a w 	 d i a g r a m s 	 o f 	 r e t i c u l a t e 	 a n d 	 p a r a l l e l 	 v e n a t i o n 	 i n 	 l e a v e s .
Q . 	 2 4 . 	 I s 	 i t 	 p o s s i b l e 	 t o 	 s e p a r a t e 	 s u g a r 	 m i x e d 	 w i t h 	 w h e a t 	 f l o u r ? 	 I f 	 y e s , 	 h o w 	 w i l l 	 y o u 	 d o 	 i t ?
Q . 	 2 5 . 	 I f 	 t h e 	 d i e t 	 o f 	 a 	 p e r s o n 	 i s 	 d e f i c i e n t 	 i n 	 b o t h 	 p r o t e i n s 	 a n d 	 c a r b o h y d r a t e s 	 f o r 	 a 	 l o n g 	 t i m e ,
t h e 	 g r o w t h 	 m a y 	 s t o p 	 c o m p l e t e l y . 	 S u c h 	 a 	 p e r s o n 	 b e c o m e s 	 v e r y 	 t h i n 	 a n d 	 w e a k . 	 T h i s 	 a
d e f i c i e n c y 	 d i s e a s e :
( i ) 	 W h a t 	 a r e 	 d e f i c i e n c y 	 d i s e a s e ?
( i i ) 	 G i v e 	 o n e 	 s o u r c e 	 o f 	 c a r b o h y d r a t e 	 a n d 	 p r o t e i n 	 e a c h .
Q . 	 2 6 . 	 W h a t 	 d o 	 y o u 	 u n d e r s t a n d 	 b y 	 a 	 s a t u r a t e d 	 s o l u t i o n ? 	 C a n 	 w e 	 d i s s o l v e 	 s o m e 	 m o r e
s u b s t a n c e 	 i n 	 s a t u r a t e d 	 s o l u t i o n ? 	 E x p l a i n 	 y o u r 	 a n s w e r 	 w i t h 	 r e a s o n .
Q . 	 2 7 . 	 C o m p l e t e 	 t h e 	 f o l l o w i n g 	 t a b l e :
S . N o . V i t a m i n / M i n e r a l D e f i c i e n c y 	 D i s e a s e S y m p t o m s
( 1 ) V i t a m i n 	 A . . . . . . . . . . L o s s 	 o f 	 v i s i o n 	 i n 	 d a r k n e s s
( 2 ) . . . . . . . . . . B e r i - B e r i W e a k 	 m u s c l e s
( 3 ) V i t a m i n 	 C . . . . . . . . . . B l e e d i n g 	 G u m s
( 4 ) . . . . . . . . . . G o i t e r . . . . . . . . . .
( 5 ) C a l c i u m . . . . . . . . . . . . . . . . . . . .
Q . 	 2 8 . 	 O i l 	 a n d 	 w a t e r 	 a r e 	 t w o 	 l i q u i d s 	 t h a t 	 d o 	 n o t 	 m i x 	 w i t h 	 e a c h 	 o t h e r . 	 E x p l a i n 	 h o w 	 w i l l 	 y o u
s e p a r a t e 	 t h e i r 	 m i x t u r e .
Q . 	 2 9 . 	 D r a w 	 n e a t , 	 w e l t 	 l a b e l l e d 	 d i a g r a m s 	 o f :
( i ) 	 A 	 f l o w e r
( i i ) 	 A 	 t a p r o o t
Q . 	 3 0 . 	 N a m e 	 t h e 	 f o l l o w i n g :
( i ) 	 L o w e r m o s t , 	 S w a l l e n 	 p a r t 	 o f 	 p i s t i l
( i i ) 	 U p p e r 	 p o l l e n 	 b e a r i n g 	 p a r t 	 o f 	 a 	 s t a m e n
( i i i ) 	 A n 	 e d i b l e 	 r o o t 	 ( p l a n t )
( i v ) 	 O n e 	 p l a n t 	 w i t h 	 f i b r o u s 	 r o o t
( v ) 	 T h e 	 p r o c e s s 	 b y 	 w h i c h 	 g r e e n 	 p l a n t s 	 m a k e 	 t h e i r 	 o w n 	 f o o d
Q . 	 3 1 . 	 C o r r e c t 	 t h e 	 i n c o r r e c t 	 s t a t e m e n t s :
( i ) 	 Y a m 	 i s 	 m a d e 	 f r o m 	 f a b r i c s .
( i i ) 	 F l a x 	 i s 	 a n 	 a n i m a l 	 f i b r e .
( i i i ) 	 P o l y e s t e r 	 a n d 	 j u t e 	 a r e 	 n a t u r a l 	 f i b r e s .
( i v ) 	 J u t e 	 i s 	 t h e 	 o u t e r 	 c o v e r i n g 	 o f 	 c o c o n u t .
( v ) 	 T h e 	 f r u i t 	 o f 	 c o t t o n 	 p l a n t s 	 i s 	 c a l l e d 	 c o t t o n 	 b a l l .
Q . 	 3 2 . 	 O n e 	 d a y 	 K a j a l 	 w e n t 	 t o 	 h e r 	 g r a n d m o t h e r ’ s 	 h o u s e . 	 T h e r e 	 s h e 	 s a w 	 h e r 	 g r a n d m o t h e r
k n i t t i n g 	 a 	 s w e a t e r . 	 S h e 	 a s k e d 	 h e r 	 t h a t 	 f o r 	 w h o m 	 s h e 	 w a s 	 k n i t t i n g 	 t h e 	 s w e a t e r . 	 H e
g r a n d m o t h e r 	 t o l d 	 i t 	 w a s 	 f o r 	 K a j a l . 	 K a j a l 	 b e c a m e 	 v e r y 	 h a p p y 	 a n d 	 h u g g e d 	 h e r 	 g r a n d m o t h e r
l a t e r 	 s h e 	 w o r e 	 t h e 	 s w e a t e r 	 w h e n 	 i t 	 w a s 	 r e a d y 	 a n d 	 s h e 	 e v e n 	 g a v e 	 a 	 t h a n k 	 y o u 	 c a r d 	 t o 	 h e r
g r a n d m o t h e r .
( 1 ) 	 W h a t 	 i s 	 t h e 	 d i f f e r e n c e 	 b e t w e e n 	 w e a v i n g 	 a n d 	 k n i t
( 2 ) 	 K a j a l 	 l o v e s 	 a n d 	 r e s p e c t s 	 h e r 	 g r a n d m o t h e r . 	 I d e n t i f y 	 a n d 	 w r i t e 	 t h o s e 	 a c t i v i t i e s 	 w h i c h 	 s h o w
t h i s .
( 3 ) 	 W r i t e 	 n a m e 	 o f 	 2 	 a n i m a l s 	 t h a t 	 y i e l d 	 w o o l .

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